Now that you are here, you must be looking for the best 4 gpm pressure washer pump! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best 4 gpm pressure washer pump brands in United States of America and a buyer’s guide for making an informed buying decision.
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Best 4 gpm pressure washer pump in 2021
1. AAA Pumps 90034 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 4400 PSI, 4.0 GPM, 1″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black -Patio, Lawn & Garden
By AAA Pumps
More Pictures- This easy-to-install kit is great for power washers that can support 4400 PSI at 4.0 GPM to wash walls, fences, sidewalks, vehicles, and more
- With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- Easy installation: This replacement pump features a garden hose inlet and QC quick connect high pressure hose outlet
- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
- There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- The SAE standard bolt pattern that fits most gas-powered pressure washers
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines
- Adjustable power: This pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience
2. CAT Pumps Pressure Washer Pump – 4000 PSI, 4.0 GPM, Direct Drive, Gas, Model Number 66DX40GG1 -Patio, Lawn & Garden
By CAT Pumps- Sold on Amazon
3. AR Annovi Reverberi RSV4G40-PKG Triplex Plunger Pump 1″ Shaft, 4.0 GPM, 3400 PSI, with EZ Start Valve -Patio, Lawn & Garden
By AR ANNOVI REVERBERI- Power source type: Hydraulic Powered
- Maximum gallons per minute: 4 GPM
- Rotations per minute (RPM): 3400
- Maximum psi: 4000;3/8 inches F Inlet thread
4. AR ANNOVI REVERBERI RRV4G40-PKG Replacement High Pressure Washer Pump, 4000 PSI, 4 GPM, Package -Patio, Lawn & Garden
By AR ANNOVI REVERBERI- “1/2″ f inlet, 3/8″ f discharge”
- Power source type: Hydraulic Powered
- max gpm: 4
- max psi 4000
- 1750 rpm
5. ECCPP Horizontal Pressure Washer Pump for 1 Diameter Shaft 3300-4000 PSI 4 GPM Replacement Power Washer Pump fit RSV4G40 EZ4040G EZ4040 Triplex Plunger Pump -Patio, Lawn & Garden
By ECCPP- For residential usage, you can easily depend on it
- Because of its lightweight, it becomes easy to carry.
- Be Your Best Option: Replacement Pump is easy to install on your machine and it provides long-term service
- What You Get: 1* Pressure Washer Pump
- Working Ability and Durability: This Pump is an Axial Cam pump that is quite powerful and user-friendly
- Priming Capabilities 14 feet (4 m) / Inlet/Outlet Ports 3/8 NPT – Notes: ONLY For Horizontal Pressure Washer Pump
- Its pistons are made with hardened and tempered steel that ensures the smooth running of this part
- Universal Horizontal Washer Pump: Replacement Power Washer Pump, Max Pressure 4000 PSI / Max Flow 4.0 GPM / , top performance at 3300-4000 PSI and fit 9hp/13hp/15hp Engine .
6. 4000 PSI 4 GPM RSV4G40B Pressure Washer Pump AR RSV4G40HDF40EZ -Patio, Lawn & Garden
By Ezzy Pump- Volume: 4.0 GPM (Gallons per Minute), Discharge Pressure: 3500-4000 PSI, Pump Speed: 3,400 RPM, Shaft Diameter: 1”, Max Horsepower Requirements:13.75 GHP, Max Fluid Temperature: 140F, Inlet Port: 3/4” Female GHT, Outlet Port: 3/8” Male NPT, Oil Capacity: 16 oz
- INCLUDES THERMAL RELEASE VALVE
- FITS: 9-13 HP TROY-BUILT, GENERAC, COLEMAN, EXCELL, HONDA FROM GX270-GX390 (STRAIGHT SHAFT) Fits many makes and models w/ the 1″ Shaft, 4000 PSI / 4 GPM
- Brand New Ezzy Pump HORIZONTAL 4000PSI PRESSURE WASHER PUMP
7. Pump, EZ4040-400, 4000PSI@4GPM -Patio, Lawn & Garden
By Pressure Washer- General EZ4040 4000 PSI Replacement Pressure Washer Pump Replaces Cat and AR#0013/37
8. AR ANNOVI REVERBERI , RK1528HN, Replacement High Pressure Pump, 4.0 GPM, 4000 PSI, 1450 RPM, 24mm Solid Shaft Pump -Patio, Lawn & Garden
By AR ANNOVI REVERBERI- Discharge pressure: 4,000 psi
- Maximum horsepower requirements: 14.4 GHP
- Nickel plated forged brass head & valve covers
- Volume: 3.96 GPM
- Fluid temp.: 160 degrees f
9. AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black -Patio, Lawn & Garden
By AAA Pumps- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
- Easy installation: This replacement pump features a garden hose inlet and QC quick connect high pressure hose outlet
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick
- This easy-to-install kit is great for power washers that can support 3800 PSI at 3.5 GPM to wash walls, fences, sidewalks, vehicles, and more
- With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- Adjustable power: This pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience
- The SAE standard bolt pattern that fits most gas-powered pressure washers
- Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines
- There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
10. Pressure Washer Pump Assembly Complete – 4000 psi -Tools & Home Improvement
By Comet- Sold on Amazon
11. Pressure Washer Pump 4000psi, Plumbed Unloader Annovi Reverberi RRV4G40D-F24 -Tools & Home Improvement
By AR North America
- Sold on Amazon
12. AAA Pumps 90036 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3200 PSI, 2.8 GPM, 3/4″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black -Patio, Lawn & Garden
By AAA Pumps
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- Easy installation: This replacement pump features a garden hose inlet and threaded M22 connection high pressure hose outlet
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick
- There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
- With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- The SAE standard bolt pattern that fits most gas-powered pressure washers
- Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines
- This easy-to-install kit is great for power washers that can support 3200 PSI at 2.8 GPM to wash walls, fences, sidewalks, vehicles, and more
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- Adjustable power: This pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience
- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
13. AAA Pumps 90039 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 4000 PSI, 3.5 GPM, 1″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Green -Patio, Lawn & Garden
By AAA Pumps- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- Adjustable power: This pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience
- Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines
- There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- The SAE standard bolt pattern that fits most gas-powered pressure washers
- With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- Easy installation: This replacement pump features a garden hose inlet and QC quick connect high pressure hose outlet
- This easy-to-install kit is great for power washers that can support 4000 PSI at 3.5 GPM to wash walls, fences, sidewalks, vehicles, and more
14. CAT Pumps Pressure Washer Pump – 4000 PSI, 3.5 GPM, Direct Drive, Gas, Model Number 66DX35G1I -Patio, Lawn & Garden
By CAT Pumps
- Preplumbed and pretested
- Fits 4-bolt engine face plates
15. Pressure Power Washer Replacement Pump Solid Shaft 24 mm Belt Drive 3600 PSI -Tools & Home Improvement
By CANPUMP
- Durable Series 18 mm ceramic Plunger for professional job
- Replacement AR CAT GENERAL TS 2022 COMET
- 3600 PSI 5.0 GPM 1750 RPM
- 24 mm Shaft for Belt Drive 11.0 HP motor or 13.0 HP Gas engine
- Solid ceramic piston 18mm ~ ¹⁵/₁₆ In
16. CANPUMP Pressure Washer Pump 3600psi @ 4.5gpm 13 hp 1″ Shaft Series 18mm Piston fits Karcher Cat General AR -Patio, Lawn & Garden
By CANPUMP
- 1 Inch Hollow Shaft Pump fits GX 340 11 HP GX 390 13 HP Engine
- Pressure washer pump has a forged brass manifold, providing corrosion resistance
- Replaces Cat General AR Comet and Karcher 8.754-327.0 Triplex Pump
- Max Pressure: 3600 PSI , Flow Rate: 4.5 GPM, 3400 RPM 13 HP
- Durable Series 18 mm Plunger for professional job
17. AAA Pumps 90037 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3700 PSI, 2.5 GPM, 3/4″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black -Patio, Lawn & Garden
By AAA Pumps
- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- This easy-to-install kit is great for power washers that can support 3700 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more
- Adjustable power: This pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience
- Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick
- The SAE standard bolt pattern that fits most gas-powered pressure washers
- Get the right pump for your machine: this pump is designed for gas powered pressure washers with horizontal engines
- There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure
- With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- Easy installation: This replacement pump features a garden hose inlet and threaded M22 connection high pressure hose outlet
18. CANPUMP High Pressure Power Washer Pump 3.1 GPM 3000 psi 6.5 HP 3/4″ Shaft -Tools & Home Improvement
By CANPUMP
- Detachable Unloader Valve, Thermal relief valve, easy start valve
- Pistons on this pump is Plasma Thermal ceramic coating and pressure seal packing are German Parker
- Max Pressure: 3000 PSI , Flow Rate: 3.1 GPM, 3400 RPM 6.5 HP.
- All pumps has CANPUMP logo on the body
- pump replacement 3/4″ Hollow Shaft pump For gas engines 4.78 mm KEY WAY
19. YAMATIC Max 3000 PSI Pressure Washer Pump Horizontal 3/4” Shaft 2.4 GPM Power Washer Pump Replacement For Honda GC190, 309515003,308418007, G3050OHC, 020241 and More -Tools & Home Improvement
By YAMATIC
- Will not fit 7/8 inch shaft as engine.
- If you don’t see your model, just message us and we will confirm it for you!
- ►Generac: 308418007, 580.762011, 01675
- ►Troy-Bilt: 020241, 020241-1, 20242
- ►Honda: GC190, GC135, GX140, (GC160 Type P/ 3/4 Inch Shaft)
- ►Depth 2 5/8”
- NOTE: Will not fit 7/8 inch shaft as engine
- ※►Diagonal distance between screw holes is 3 5/8”
- And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode
- Easy Start Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine
- ►Hole Distance to hole is 2 9/16”
- ►Karcher: G3050OHC, ►PowerStroke: PS80522, PS80903B, PS80903A
- Top performance at 2600-3000 PSI and fit most 196-212cc at 6.5HP-7.0HP engine
- COMPATIBILITY ►Homelite: 308418007, 309515003, 308418004, 308653078, 308653093, 308653057, UT80522B, UT80953B, UT80522A, UT80953A
- ►Simpson: MSH3125, MSH3125-S, MSH3224, 90029, 90028
- Reborn Your Pressure WasherYAMATIC Horizontal Power Washer Pump 3/4″ Shaft MAX 3000 PSI / 2.4 GPM / @3400 RPM, Save money by replacing your pump instead of buying a new power washer
- Extended Durability High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, get 120 hrs running time, longer than OEM power washer pump
- If you’re not sure fit or not, just message us and we will confirm it for you!
- Maintenance-FreeThis pump features a maintenance-free crankcase so you never have to change the gasoline
- This easy-to-install kit is great for power washers that can support 3000 PSI at 2.4 GPM to wash walls, fences, sidewalks, vehicles, and more.
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible, Set up in 5-10 minutes!
- ►Key width 3/16”
- Replacement for Simpson, Generac, Homelite, Honda, Karcher and more
20. CAT Pumps Pressure Washer Pump – 2000 PSI, 1.5 GPM, Direct Drive, Electric, Model Number 4DX15EUIF -Patio, Lawn & Garden
By CAT Pumps
- Fits 4-bolt engine face plates
- Pre-plumbed and pre-tested
21. 3600 PSI Pressure Washer Pump 2.5 GPM, 6.5 HP for Simpson 90036, 90037, 90028 -Everything Else
By 2492
- Specs – Maximum Pressure: 3600 PSI, Maximum Flow: 2.5 GPM, Maximum Pump Speed: 3500 RPM
- This pump mounts horizontal and MUST have the oil dip stick pointing up when mounted
- Maximum HP: 6.5 HP, Male Outlet: 22mm Threaded, Standard Garden Hose Inlet
- The ROP Shop replacement Horizontal Triplex Pressure Washer Pump
- Pump needs at least 6.5HP to handle PSI
- 4 Bolt Pattern: 2 9/16″ Center to Center between Outer Holes
- The 4-bolt mounting pattern is 2 9/16″ center to center
- Pump head CANNOT be flipped
- Maximum Temperature: 140° F
- Shaft Diameter: 3/4″ Horizontal
- Replaces most pumps with 3/4″ shaft
- Refer to images 2 and 3 for more information
- Includes – (1) Horizontal Triplex Pressure Washer Pump with Chemical Injector, Unloader Valve, Thermal Release Valve & Oil Reader; comes as shown in the first image
22. Armor AMR-RSV4G40D.U 4000 PSI”Replacement” Horizontal Pressure Washer Pump -Everything Else
By Armor
- Plumbed for 3/8″ quick connect pressure hose
- Built-in easy start valve
- Accepts 1″ shafted engines
- Adjustable unloader valve
- Designed for quick and easy, no hassle installation.
23. YAMATIC Max 3300 PSI Pressure Washer Pump Horizontal 3/4” Shaft 2.5 GPM Power Washer Pump Replacement For SIMPSON MSH3125 MS60921 MSH3224 90029 90028 50002 RY80588A G3025OH 020242 RMV25G30-EZ More -Everything Else
By YAMATIC
- ※►Diagonal distance between screw holes is 3 5/8”
- NOTE: Will not fit 7/8 inch shaft as engine
- ►Hole Distance to hole is 2 9/16”
- Extended Durability High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, It is manufactured from fully anodized die-cast aluminum for protection against rust, get 200 hrs running time, longer than OEM power washer pump
- Will not fit 7/8 inch shaft as engine.
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible, Set up in 5-10 minutes!
- ►Karcher: G3050OH, MH5500H-1, M5500H-2, M5500H-3, G2800OH, G3000OH, G3025OH, G3050OH
- This easy-to-install kit is great for power washers that can support 3300 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more.
- Reborn Your Pressure WasherYAMATIC Horizontal Power Washer Pump 3/4″ Shaft MAX 3300 PSI / 2.5 GPM / @3400 RPM, Save money by replacing your pump instead of buying a new power washer
- ►PowerStroke: UT80522, UT80953, 308418007, 309515003.
- ►Honda: GC190
- ►Key width 3/16”
- ►Generac: 01675-0, 01675, AXD2524GT-22mm, AXD3025G.►Simpson: MSH3125, MSH3125-S, MSH3224, MS60921, 90029, 90028
- ►RIDGID: RD80947, RD80746
- Top performance at 2600-3300 PSI and fit most 208-220cc 6.5HP-7.0HP engine
- COMPATIBILITY ►Troy-Bilt: 20241, 020241-1, 20242, 020242-0 -1, 020242-02, 020242-04
- ►Steele: SP-WG240, SP-WG300
- ►Delta: DXPW3025, DH3028
- Maintenance-FreeThis pump features a maintenance-free crankcase so you never have to change the gasoline
- Easy Start Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine
- ►Depth 2 5/8”
- If you’re not sure fit or not, just message us and we will confirm it for you!
- Replacement for Simpson, Generac, Homelite, Honda, Karcher and more
- And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode
24. YAMATIC Max 2800 PSI Pressure Washer Pump 2.3 GPM Horizontal 3/4” Shaft Replacement Power Washer Pump for Honda GC160 309515003, 308653057, Ryobi RY80533 Karcher and More -Everything Else
By YAMATIC
- Reborn Your Pressure WasherYAMATIC Horizontal Power Washer Pump 3/4″ Shaft MAX 2800 PSI / 2.3 GPM, Save money by replacing your pump instead of buying a new power washer
- ►PowerStroke: PS80522, PS80903B, PS80903A
- ►Honda: GC160 (Type P/ 3/4 Inch Shaft)
- ►Depth 2 5/8”
- ►Key width 3/16”
- COMPATIBILITY ►Homelite: 308418007, 309515003, 308418004, 308653057, UT80522B, UT80953B, UT80522A, UT80953A
- ►Generac: 308418007, 01675, 01675-0
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible, Set up in 5-10 minutes!
- This easy-to-install kit is great for power washers that can support up to 2800 PSI at 2.3 GPM to wash walls, fences, sidewalks, vehicles, and more.
- Top performance at 2600-2800 PSI and fit most 160-196cc at 5.5-6.5hp
- Easy Start Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine
- And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode.
- ►Karcher: K2400HH, G2400HH
- ►Hole Distance to hole is 2 9/16”
- Maintenance-FreeThis pump features a maintenance-free crankcase so you never have to change the gasoline
- Will not fit 7/8 inch shaft as engine.
- Replacement for Simpson, Generac, Homelite, Honda, Troy-Bilt, Karcher, more gas power washer
- ►Ryobi: RY80533
- Extended Durability High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, It is manufactured from fully anodized die-cast aluminum for protection against rust, get 150 hrs running time, longer than normal and OEM power washer pump
- ►Briggs & Stratton: 020255
- ※►Diagonal distance between screw holes is 3 5/8”
- If you don’t see your model, just message us and we will confirm it for you!
25. CANPUMP High Pressure Power Washer Pump 3.1 GPM 3000 psi 6.5 HP 3/4″ Shaft -Everything Else
By CANPUMP
- Replacement for AAA Professional Triplex Pump Kit 90037
- All pumps has CANPUMP logo on the body
- Detachable Unloader Valve, Thermal relief valve, easy start valve
- Max Pressure: 3000 PSI , Flow Rate: 3.1 GPM, 3400 RPM 6.5 HP
- 3/4″ Hollow Shaft pump 4.78 mm KEYWAY
26. YAMATIC Horizontal Pressure Washer Pump 3/4” Shaft Triplex Plunger 3300 PSI @ 3.0 GPM OEM Power Washer Pump Replacement for Industrial Gas Powered Machines GX200 90036 90037 -Everything Else
By YAMATIC
- Universal Horizontal Power Washer PumpReplacement Power Washer Pump, MAX 3300 PSI / 3.0 GPM, top performance at 2500-3300 PSI and fit most 160 ~ 212 cc
- ►Homelite: 308418007, 309515003, 308418004, 308653078
- ※NOTE ►Need to add SAE 15W-40 before use
- ※For Start the Engine, first you need to pull the trigger of the pressure water gun and hold it, then start the engine.
- ►Generac: 308418007, 01675, 01675-0.
- Mounting & DimensionEquipped with industry-standard 3/4″ shaft, comes with generic 22mm x 14mm hose connections, also provide with flange bolts, Soap Hose, Breathing Plug, Nozzle Tips, M22 Female to 3/8 Socket Connector, and keys (Not Include: installation tools such as hex wrenches)
- ►The SAE 15W-40 needs to be changed every 50 hours of use.
- ※PLEASE NOTE: Only fit 3/4″ shaft Horizontal pressure washer pumps.
- ►RIDGID: RD80947, RD80746
- ►Simpson: 90036, MSH3125 MS60921 MSH3224
- COMPATIBILITY►Honda: GC190, GX200
- ►Key width 3/16”
- ►Depth 2 5/8”
- Better Performance with Nozzle TipsBenchmark test for Pump and Nozzle Tips
- Get a perfect performance balance of PSI and GPM, which can make your job more clean and fast.
- ※NOTE: This Triplex Plunger Pump only fits HORIZONTAL 3/4” SHAFT Small Gas Engine.
- ►Hole Distance to hole is 2 9/16”
- High QualityThis Universal Replacement Pump based on OEM, direct-drive triplex plunger pump with adjustable unloader fits most 3/4″ shaft power washer horizontal engine at 5.5 ~ 7hp (160 ~ 212cc)
- ►Diagonal distance between screw holes is 3 5/8”
- Start the Engine in the Right WayThis Triplex Plunger Pressure Washer Pump can be installed in 10 minutes
- The Triplex Plunger design makes the pump run more stable, with less vibration, and provides continuous power output for your cleaning work.
- Upgrades 400% Working HoursThe service life of the Triplex Plunger Pump is Max 500 hrs, it’s more than 400% of the normal pressure washer pump
- Anodic Oxidation SurfaceThe fully anodized treatment for rust prevention improved the wear resistance and hardness of the pressure washer pump.
- ►Mi-T-M: 3-0297, 3-0414
27. Triplex High Pressure Power Washer Pump 3.1 GPM 3000 psi 6.5 HP 3/4″ Shaft for CAT General AR Comet Replaces Mi-T-M 3-0414 3-0297 3-0413 -Patio, Lawn & Garden
By POWER PRODUCTS
- Shaft Diameter:3/4″ Horizontal
- Maximum Volume:2.5 gpm
- 60C/140F
- Inlet: NH3/4inch Outlet: 3/8inch Male thread Max temp
- Maximum Pump Speed:3400 RPM
- Discharge Pressure:3000 PSI
28. YAMATIC Max 3000 PSI Pressure Washer Pump 2.5 GPM Rear Outlet Vertical 7/8″ Shaft OEM & Replacement Pump for Power Washer, Fits: 308653045, 308653093, 308653052, 308653078, GCV190 -Everything Else
By YAMATIC
- ►Craftsman: 580.752960, 580.752052, 580.752191, 580.752880
- And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode.
- ►Simpson: ms60773, msv3024.
- ►Husky: HU80709, HU80911, HU80709A, HU80911A
- This easy-to-install kit is great for power washers that can support 3000 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more
- If this is difficult for you, please choose a front inlet/outlet pump directly.
- Extended Durability High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, get 120 hrs running time, longer than OEM power washer pump
- ►Briggs & Stratton: 311553gs, 020441-0, 020442-0
- ►Ryobi: RY802900, RY802800, RY802723, RY8C2700, RY802700A
- ►PowerStroke: PS80946, PS80931
- This pump also fit for the front inlet/outlet engine, but you need to rotate the pump 180 degree and drill holes in the frame to install the pump
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible, Set up in 5-10 minutes!
- COMPATIBILITY ►Homelite: 308653052, 308653006, 308653093, 308653078, 308653008, 308653036, 308653035, 308653026, 308653058
- Top performance at 2800-3000 PSI and fit most Rear Outlet 180-196cc at 6.5-7hp engine RYOBI, Honda, Briggs and Stratton, Subaru, PowerStroke, Craftsman, Simpson, Homelite and Many other brand.
- Reborn Your Power WasherYAMATIC Vertical Pressure Washer Pump 7/8″ Shaft MAX 3000 PSI / 2.5 GPM / @3400 RPM, Save money by replacing your pump instead of buying a new pressure washer
- Maintenance-FreeThis pump features a maintenance-free crankcase so you never have to change the gasoline
- Easy Start Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine
29. Triplex Power Washer Pump 1″ Hollow Shaft for 9.0-11.0 HP Gas Engines 3000PSI 4.0 GPM -Patio, Lawn & Garden
By CANPUMP
- Replacement for MI-T-M 3-0194 PRESSURE WASHER PUMP
- Unloader Valve Included Max Water Temp – 122 Degrees F
- 3000 PSI – 4.0 GPM
- Fits on Honda GX-340 GX-270 1″ shaft
- Max RPM – 3600rpm Max Power – 9.0-11.0 HP
30. OEM Technologies 90029 Replacement Pressure Washer Pump Kit, 3400 PSI, 2.5 GPM, 3/4″ Shaft, Includes Hardware and Siphon Tube, for Residential and Industrial Gas Powered Machines -Tools & Home Improvement
By OEM Technologies
- Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers
- This easy-to-install kit is great for power washers that can support 3400 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more
- The TRV releases small amounts of hot water and intakes cooler water to prevent overheating and extend the life of the pump
- It is manufactured from fully anodized die-cast aluminum for protection against corrosion
- Skip the Oil Change: This pump features a maintenance-free crankcase so you never have to change the oil
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible
- Easy installation: This replacement pump features a garden hose inlet and threaded M22 connection high pressure hose outlet
- Extended durability: A Thermal Relief Valve (TRV) protects the pump from overheating while in bypass mode
- Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer
- Get the right pump for your machine: this pump is designed for gas-powered pressure washers with horizontal engines
- The SAE standard bolt pattern that fits most gas-powered pressure washers
31. SEAFLO 33-Series Industrial Water Pressure Pump w/Power Plug for Wall Outlet – 115VAC, 3.3 GPM, 45 PSI -Tools & Home Improvement
By SEAFLO
- UL 778 & CSA 22.2 Certified
- 3.3 GPM Flow Capacity, 115V AC Current Draw .75 amps (1.2 Max Amps)
- Self-Priming up to 6 vertical feet
- Plugs into standard wall outlet with pre-installed power plug
- Built-in Adjustable Pressure Switch that turns on/off at 45 PSI
32. AR Annovi Reverberi RMV25G30D-PKG Pressure Washer Pump Kit, 2.5 GPM, 3000 PSI, Thermal Relief Valve -Patio, Lawn & Garden
By AR ANNOVI REVERBERI
- Package includes pump, thermal relief valve, and detergent tube with filter
- Horizontal plunger pump runs at 2.5 GPM at 3,000 PSI and spins at 3,400 RPM
- Thermal relief valve is mounted into the low pressure side of the pump manifold and will vent heat
- Start style: EZ Start
- 3-piston alternating volumetric pumps for use on cleaning units
- Shaft direction: Standard.
- Detergent tube can be used for pressure washer pumps, misting pumps, and Blue Clean pressure washing equipment
33. Pressure Washer Pump 3400 PSI 2.5GPM 3/4″ Shaft Brass Horizontal OEM Power Washers Replacement Parts -Tools & Home Improvement
By SurmountWay
- Horizontal Pressure Washer Pump:Durable brass head,high quality and reliable lifetime,Idea for power washer pumps replacement parts,fits many models,for brand such as Karcher,Powerstroke,Delta,Generac,Troy-Bilt,Craftsman,Simpson,Briggs&Stratton.
- High performance:150hours Running Time,You’ll get optimum performance with minimal effort.6.5HP engines,with 2900-3400PSI Pressure,best performance at 3400PSI and 2.5 GPM water flow,add to your pressure washers, for any and all small house cleaning projects,even for washing your car or other things, for tackling tough dirt and debris, can get the job done quickly!
- More Compatibility :Fits for most 3/4″” Shaft vertical pressure washer pumps,distance to the hole is 2 5/8″”, outer Holes is 1 7/8″”, 2 5/8″”,such as models Homelite 309515003 ,Powerstroke 30841800,Delta DXPW3025 G2400HH,Karcher K2400HH ,Generac 308418007,01675,Troy-Bilt 020241,Comet BXD2528, Craftsman 580.752600,Generac AXD2524GT-22MM,Simpson MSH3125, Annovi Reverberri SJV25G27D-F7-EZ…
- No-risk purchase :All pressure washer pumps arefunctionally tested in factory,comes with generic 22mm x 14mm hose connections, also provide with flange bolts and keys,offer lifetime friendly customer service,no risk purchasing
- Easy Use:easy to install,simple to start,clean dust in one step, built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine,when installing the power washer pump, please ensure that the keyway is installed before running your pressure washer.
34. AR ANNOVI REVERBERI, RMV25G30D-EZ-PKG, Replacement High Pressure Pump Package, 3000 PSI, 2.5 GPM EZ Start, Shaft Size 3/4″, 3400 RPM -Patio, Lawn & Garden
By AR ANNOVI REVERBERI
- Vertical Gas Engine Flange
- D Version 3/4-Inch
- RMW 3400rpm
35. YAMATIC Max 3100 PSI NEW Pressure Washer Pump 2.5 GPM Rear Outlet Vertical 7/8″ Shaft OEM & Replacement Pump for Power Washer -Tools & Home Improvement
By YAMATIC
- Maintenance-FreeThis pump features a maintenance-free crankcase so you never have to change the gasoline
- Each kit includes a siphon tube with filter, mounting bolts, shaft key, and instruction booklet to get your machine back in action as quickly as possible, Set up in 5-10 minutes!
- ►PowerStroke: PS80944, PS80946, PS80979, PS80945, PS80931, PS80950
- Reborn Your Power WasherYAMATIC Vertical Pressure Washer Pump 7/8″ Shaft MAX 3100 PSI / 2.5 GPM, Save money by replacing your pump instead of buying a new pressure washer
- Extended Durability High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, get 200 hrs running time, longer than OEM power washer pump
- This easy-to-install kit is great for power washers that can support 3100 PSI at 2.5GPM to wash walls, fences, sidewalks, vehicles, and more
- Easy Start Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting engine
- If this is difficult for you, please choose a front inlet/outlet pump directly.
- ►Craftsman: 580.752960, 580.752052, 580.752191, 580.752880
- This pump also fit for the front inlet/outlet engine, but you need to rotate the pump 180 degree and drill holes in the frame to install the pump
- ►Ryobi: RY80930, RY802900, RY802800, RY802723, RY8C2700, RY802700A
- Top performance at 2900-3100 PSI and fit most Rear Outlet 160-196cc at 6.5-7hp engine RYOBI, Honda, Briggs and Stratton, Subaru, PowerStroke, Craftsman, Simpson, Homelite and Many other brand.
- And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode
- ►Husky: HU80709, HU80911, HU80709A, HU80911A
- ►Briggs & Stratton: 311553gs, 020441-0, 020442-0.
- The fully anodized treatment for rust prevention, improve wear resistance and hardness of Pressure Washer Pump.
- COMPATIBILITY ►Homelite: 308653052, 308653006, 308653054, 308653093, 308653078, 308653008, 308653036, 308653035, 308653026, 308653058, UT80432A, UT80432, UT80993
36. PEGGAS Horizontal Pressure Washer Pump – 3/4“ Shaft – MAX 3000 PSI 2.5 GPM – Better than OEM Replacement Pump – Oil Pre-sealed – Aluminum Head – Fits Most Brands: Honda, B&S, Homelite, Waspper etc… -Tools & Home Improvement
By PEGGAS
- BETTER THAN OEM – Featuring More Pressure than Standard Original Pumps, Plus We Are A Perfect Match For Horizontal Pumps with 3/4″ Shafts
- Troy-Bilt: 020242-02, 020242-04, 020241, 020241-1, 20242
- QUALITY THAT LASTS – One of The Longest Lasting Pressure Washer Pumps on The Market Boasting an Impressive 120 Hour Lifetime (20% better than Most)
- Generac: 308418007, 01675, 01675-0
- MORE FLOW RATE LESS HASSLE – Our PEGGAS Pressure Washer Pumps Come Standard With A Larger Flow Rate Of 2.5 GPM, Which Enables You To Get More Cleaning Done! PLUS All Of Our Pumps Come Pre-Filled With Oil and Are Maintenance Free!
- PARTS COMPATIBILITY – Homelite: 308418007, 309515003, 308418004, 308653078, 308653093, 308653057, UT80522B, UT80953B, UT80522A, UT80953A
- Honda: GC190, GC135, GX140, (GC160w/ 3/4 Inch Shaft) – AND MORE! (Don’t See yours? Message us and we can help!)
- Our PEGGAS MAX 3000 PSI and 2.5 GPM Horizontal Pressure Washer Pump Is The Only Choice For Your Replacement Needs! Don’t Sacrifice Quality For a Cheaper Price
- Our Replacement Pumps Are The Best Option For You
- Karcher: G3050OH, K2400HH, G2400HH
- Is Your Machine Be A Match? – Our Pump Comes Standard With A 3/4 Inch Shaft Which Is Most Common For Small Horizontal Pressure Washers
- Simpson: MSH3125, MSH3125-S
- (5 HP to 8 HP) – Shaft Depth: 2 5/8″ – Hole Distance to hole – 2 5/8″ Keyway Size: 3/16″ – DOES NOT FIT 7/8 Inch Shafts By Older GC160 Honda Engines
- Please Check Compatibility! (Images 2 & 3 Can Help)
- PowerStroke: PS80522, PS80903B, PS80903A
- Has Your Original Pump Stopped Working? Or It Is Corroded and On its last leg? Simply Replace it and Revive your Pressure Washer!
37. 3600 PSI Power Pressure Washer Water Pump, 2.5 GPM for Dewalt DH3028, DXPW3025 -Tools & Home Improvement
By The ROP Shop- Refer to images 2 and 3 for more information
- Includes – (1) Horizontal Triplex Pressure Washer Pump with Chemical Injector, Unloader Valve, Thermal Release Valve & Oil Reader; comes as shown in the first image
- Maximum HP: 6.5 HP, Male Outlet: 22mm Threaded, Standard Garden Hose Inlet
- Pump head CANNOT be flipped
- This pump mounts horizontal and MUST have the oil dip stick pointing up when mounted
- 4 Bolt Pattern: 2 9/16″ Center to Center between Outer Holes
- Replaces most pumps with 3/4″ shaft
- The ROP Shop replacement Horizontal Triplex Pressure Washer Pump
- Maximum Temperature: 140° F
- Specs – Maximum Pressure: 3600 PSI, Maximum Flow: 2.5 GPM, Maximum Pump Speed: 3500 RPM
- Pump needs at least 6.5HP to handle PSI
- Shaft Diameter: 3/4″ Horizontal
- The 4-bolt mounting pattern is 2 9/16″ center to center
38. CAT Pumps Pressure Washer Pump – 2750 PSI, 2.5 GPM, Direct Drive, Gas -Patio, Lawn & Garden
By CAT Pumps
- Replaces Item# A1573651
- Fits 4-bolt engine face plates
- Bolts not included; use existing bolts from old pump to install new pump
- Pre-plumbed and pre-tested
39. AR ANNOVI REVERBERI , RMV25G30D-EZ , Replacement Plunger Pump Horizontal, 3000 PSI, 2.5 GPM with Easy Start, EZ, Aluminum -Patio, Lawn & Garden
By AR ANNOVI REVERBERI
- Maximum psi: 3000
- Shaft direction: Standard
- Rotations per minute (RPM): 3,400
- Start style: EZ Start
- Maximum gallons per minute: 2.5 GPM
40. CAT Pumps Pressure Washer Pump – 3500 PSI, 4.5 GPM, Belt Drive, Model Number 5CP3120 -Patio, Lawn & Garden
By CAT Pumps
- Sold on Amazon
41. Hutdkte Pressure Washer Pump SRMW22G26-EZ RMW 2.2G24, 2.2 GPM 2600-2800 PSI for TroyBilt Karcher Craftsman Generac Fits Most 7/8″ Shaft 4-7 HP Engines with Pressure Washer Nozzle -Patio, Lawn & Garden
By Hutdkte
- Pressure Washer Pump also Fits for Troybilt,for Devilbiss/Excell, for Craftsman,for Husky And Others Rated at 2800 PSI and 2.4 GPM with 7/8” shaft 4 – 7 HP engines
- Center shaft to each mounting bolt is 4″ – Center to Center Spacing Between Mounting Bolts is: 7 11/16″ – 6 3/16″ – 6 7/16 .
- This pump head assembly ready for RMW or SRMW pumps- RMW2G20, RMW2.2G24, RMW2G23B, RMW2G24, RMW2.2G20D, SRMW2.2G26, RMV2.5G24.
- Pressure Washer Pump Fits for Troybilt: 1974-2, 1974-0, 1909-0, 1908-2, 1908-0, 1902-1, 1902-0, 1811-0,
- Package including: 1x 7/8″ Shaft Pressure Washer Pump , 1 Black Brass soap nozzle,1 Red Stainless Steel Nozzle Tip (0 Degree),1 Yellow Stainless Steel Nozzle Tip (15 Degree),1 Green Stainless Steel Nozzle Tip (25 Degree),1 White Stainless Steel Nozzle Tip (40 Degree) .
42. CAT Pumps Pressure Washer Pump – 3000 PSI, 2.5 GPM, Direct Drive, Electric -Patio, Lawn & Garden
By CAT Pumps
- Pre-plumbed and pre-tested
- Fits 4-bolt motor face plates
- Bolts not included; use existing bolts from old pump to install new pump
43. 3600 PSI Power Pressure Washer Water Pump, 2.5 GPM, 3/4″ Shaft for Honda GX200 -Tools & Home Improvement
By The ROP Shop- The 4-bolt mounting pattern is 2 9/16″ center to center
- The ROP Shop replacement Horizontal Triplex Pressure Washer Pump
- Includes – (1) Horizontal Triplex Pressure Washer Pump with Chemical Injector, Unloader Valve, Thermal Release Valve & Oil Reader; comes as shown in the first image
- Replaces most pumps with 3/4″ shaft
- Shaft Diameter: 3/4″ Horizontal
- Specs – Maximum Pressure: 3600 PSI, Maximum Flow: 2.5 GPM, Maximum Pump Speed: 3500 RPM
- Pump head CANNOT be flipped
- Pump needs at least 6.5HP to handle PSI
- Refer to images 2 and 3 for more information
- This pump mounts horizontal and MUST have the oil dip stick pointing up when mounted
- 4 Bolt Pattern: 2 9/16″ Center to Center between Outer Holes
- Maximum HP: 6.5 HP, Male Outlet: 22mm Threaded, Standard Garden Hose Inlet
- Maximum Temperature: 140° F
44. PEGGAS – Vertical Pressure Washer Pump – 7/8″ Shaft – 2800-3000 PSI – 2.5 GPM – Replacement Gas Power Washer Pump – Oil Comes Sealed – Fits: 308653052, 308653006, 308653025, PS262311, GCV190 and more -Tools & Home Improvement
By PEGGAS
- Your 5.5-6.5 HP engine will power this pump with no problem and bolt on directly!
- UNPARALLELED Performance Out last the Competition, with our Better than Original PEGGAS Pressure Washer Pumps, They come Pre-Oiled and ready to go! All you need to do is save you original Mounting Bolts and Keyway for re-installation.
- IMPORTANT FITMENT – This pump comes with a standard 7/8” shaft which is universal for all small pressure washers
- 2800-3000 PSI 2.5 GPM RATING – This pumps is rated at 2800-3000 PSI and 2.5 GPM which is great for any and all small house cleaning projects
- Very safe pressure even for washing your car or other things without being afraid to damage the paint!
- Hose connecters are standard M22 so you don’t have to worry about buying extra fittings
- MOUNTING BOLT MEASUREMENT – From main center shaft to each mounting bolt is 4″ – center to center spacing between mounting bolts is: 7 11/16″ – 6 3/16″ – 6 7/16
- BETTER THAN OEM – Our Replacement Pressure Washer Pump Fits Most 7/8″ Shaft Vertical Gas Pressure Washer Engines and models such as: Homelite 308653052 308653006 308653025, RYOBI RY802900 RY803000 RY80930, BLACK MAX BM802711 BM802823 BM80920 etc.
4 gpm pressure washer pump – The Buyer’s Guide
You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the 4 gpm pressure washer pump in the above list? So shall we begin with the guide and help you learn about the important factors?
1. Does it have the features you need?
Wait for a minute before you buy the 4 gpm pressure washer pump, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best 4 gpm pressure washer pump which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.
2. Budget and Price Match
Well, you obviously can’t buy the best 4 gpm pressure washer pump with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the 4 gpm pressure washer pump with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.
3. Warranty and Brand
Most of the 4 gpm pressure washer pump industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because 4 gpm pressure washer pump from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.
Another benefit of buying a 4 gpm pressure washer pump from a reputable brand would be warranty. Most of the 4 gpm pressure washer pump from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.
4. Check for Reviews and Ratings
Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular 4 gpm pressure washer pump. Isn’t it great?
The Verdict
We hope that you loved the 4 gpm pressure washer pump we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.
To wrap up this guide,
- If you are looking for the best 4 gpm pressure washer pump: You shall consider going for AR ANNOVI REVERBERI , RK1528HN, Replacement High Pressure Pump, 4.0 GPM, 4000 PSI, 1450 RPM, 24mm Solid Shaft Pump
- If you want the one which has similar features to the best, then you shall consider going for CAT Pumps Pressure Washer Pump – 3500 PSI, 4.5 GPM, Belt Drive, Model Number 5CP3120
- If you want a 4 gpm pressure washer pump which is “value for money” then you shall go for the AAA Pumps 90038 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit, 3800 PSI, 3.5 GPM, 1″ Shaft, Includes Hardware and Siphon Tube, for Industrial Gas Powered Machines, Black
- If you want the cheapest 4 gpm pressure washer pump then the YAMATIC Max 2800 PSI Pressure Washer Pump 2.3 GPM Horizontal 3/4” Shaft Replacement Power Washer Pump for Honda GC160 309515003, 308653057, Ryobi RY80533 Karcher and More should be the best one for your needs!
