Top 10 Best generac pressure washer pump in 2026

Last Updated - 6/17/2026

🏆Best Choice

YAMATIC

YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI @ 2.5 GPM Replacement Pump for Power Washer Compatible with Homelite, Troybilt, Simpson, Karcher Honda GC160 GC190 AR rmv 2.5g30 and More

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Performance and Duality upgrade】 Industry engineering process designed for residential powerful pressure washer cleaning job, longest real 150 hours endurance test than a similar residential pump. Improved 3400 PSI X 2.5 GPM performance makes your cleaning job more powerful for multiple works, like houses, fences, sidewalks, vehicles, pools etc.
•【Extended Durability & Adjustable Unloader】 High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, gets 150 hrs running time, longer than original power washer pump. And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode. With adjustable unloader allows you to increase or reduce the pressure to fit the engine's requirement better.
•【Fit for Who】USA Standard Mounting design, this pump could fit most brand gas power washers come with the small gas engine from 180 to 225 cc (Equival 6.5 to 7 hp engine). Please Note only fit a 3/4" Shaft Horizontal pressure washer pump.
•【Easy Start Easy Job】Pre-filled oil for a lifetime and no need to change the oil. Easy set up as video show. Also Easy-Start structure with light recoil start. Make power washer more powerful and easier. Recommend draining out water inside pump and use Briggs Stratton and SIMPSON pump guard before long time storage.
•【COMPATIBALE】Replacement for ►HONDA GC190, GC135, GX140,GX160 (GC160 with 3/4" keyway shaft). ►SIMPSON: MSH3125 MS60753, MS60788, MS60850, MS60799,MS61043►Homelite 308418007, 309515003, 308418004, 308653078, 308653057, UT80522B, UT80953B, UT80522A, UT80953A. ►Karcher: G3050OH, K2400HH, G2400HH. ►rmv 2.5g30 ►Troy-Bilt: 020241, 020241-1, 20242. Please feel free to contact us for any technical and after serivce requirement.

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$72.99

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MUTURQ

MUTURQ 3/4" Shaft Horizontal Pressure Washer Pump, 2600-3000 PSI, 2.5 GPM, OEM Replacement Pump for Honda GC160,309515003,308418007,020241 and More

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•[PRENIUM QUALITY] Improve OEM technology for an Impressive 120 hr lifetime and manufactured from fully die-cast aluminum for good against corrosion.Support up to 3000 PSI - 2.5 GPM pressure washer. compatible for Simpson, Homelite, Generac, Honda, Karcher and more.(ONLY fit 3/4" shaft horizontal engine)
•[MAINTENANCE FREE]This pump pre-fills oil for a lifetime, so you never have to change the oil. Simply Replace it and Revive your Pressure Washer when your original pump Stopped Working.
•[EASY INSTALLATION] Includes a chemical hose with filter, mounting bolts, shaft key, and an instruction book to get your pressure washer back in life within 10 minutes. This replacement pump features a threaded M22 connection pressure washer hose outlet and a 3/4'' NH garden hose inlet. The standard bolt pattern fits most 3/4'' horizontal shaft gas-powered pressure washers.
•[EXTENDED DUARLITY] A high-quality Thermal Relief Valve protects the pump from overheating while in bypass mode. The TRV releases small amounts of hot water and intakes cold water to prevent overheating and extend the life of the pump.
•[PROFESSIONAL TECHNICAL SUPPORT] Only fit 3/4" shaft horizontal pressure washer pump, If you need pre-sale model matching consultation or replacement services, please feel free to message us and we will provide you with professional technical support.

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$66.99

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Hourleey

Hourleey 3/4" Shaft Horizontal Pressure Washer Pump, 3400PSI 2.5GPM, Replacement Pump for Power Washer, Power Washer Pump for Gas Washer, Compatible with Simpson, Ryobi, Honda

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Reborn Your Pressure Washer: This easy install kit is great for power washers that can support 3400 PSI at 2.5 GPM, suitable for power washers capable of 3400 PSI and 2.5 GPM. Perfect for a wide array of cleaning tasks including walls, fences, sidewalks, and vehicles. Opt for this pump replacement instead of purchasing a brand new pressure washer.
•Universal Compatibility: With a standard 3/4" shaft, our horizontal pressure washer pump is designed to fit seamlessly into various gas-powered washers. Equipped with a 3/4" NH garden hose inlet and a threaded M22 high-pressure hose outlet, it is specifically crafted for compatibility with top brands like Simpson, Ryobi, Honda, ensuring a flawless replacement for your current pump.
•Easy Installation: Engineered for effortless and quick cold starts, our kit eliminates the need to release pressure before starting the engine. The package comes complete with 1 detergent hose, 4 bolts (UNF5/16-24 x 1), 1 shaft key, 4 D8 flat pads, 4 D8 spring washers, and an instruction manual. Set up in a few minutes!
•Maintenance-Free: Pre-filled with oil and equipped with a double seal system, our pump is designed to be ready for immediate use while avoiding oil and water leaks. Featuring a maintenance-free crankcase, there's no need for initial oil filling or periodic oil changes.
•High Quality: Our pressure washer pump is designed for longevity, enhancing plunger durability to improve resistance against wear and extending the lifespan of water and oil seals. The one-piece pump head ensures optimal sealing, while the metal shaft sleeve guards against oil leaks. Additionally, the thermal relief valve preserves pump integrity by preventing overheating when in bypass mode.

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$49.99

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TOOLCY

TOOLCY 3/4" Shaft Horizontal Pressure Washer Pump, 2600-3300 PSI @ 2.5 GPM - Power Washer Pump for Gas Washer - Compatible with Honda, Simpson, Ryobi and More

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•[HIGH-QUALITY PUMP] Horizontal Power Washer Pump 3/4" Shaft MAX 3300 PSI / 2.5 GPM / @3400 RPM, Our pressure washer pumps replacement operation time is 150 hours, (50 hours longer than the market), so that you can save money for replace pressure washer accessories and time.Top performance at 2600-3300 PSI and fit most 180-225cc 6.0HP-8.0HP engine. Replacement for Simpson, Homelite, Honda, Karcher and more
•[EFFICIENT WORK] Come with 3 special test matched nozzle tips (0°/25°/soap) for best cleaning performance.If you need a higher pressure washing pump, it is equipped with a larger 3300 PSI / 2.5 GPM flow rate to complete the cleaning job more efficiently, allowing you to easily start cleaning in more scenarios (eg. garden, house, car, road etc). ⚠ Will not fit 7/8 inch shaft gas engine
•[SAVE WORRY] It is made of die cast aluminum with deep surface treatment to prevent rust, the 3/4" shaft pressure pump is maintenance-free crankcase, so there is no need for a lifetime of pre-filling gear oil, no oil change. Simply Replace it and Revive your Pressure Washer! We long for help you save more energy and time, this upgraded pressure pump will be your best choice.※►Diagonal distance between screw holes is 3 5/8''. ►Hole Distance to hole is 2 9/16''. ►Key width 3/16''. ►Depth 2 5/8''
•[Easy Start] Our horizontal pressure water pump replacement simplify the built-in, can quickly cold start, make work easy and pleasant start. There is no pressure relief before starting the engine. Easy set up in 5-10 minutes with Key. Please follow the instructions to help your machine renew working quickly. If you have any questions, please contact us
•[PARTS COMPATIBILITY] Compatible with AR: rmv 2.5g30; Honda: GC160, GC190, 309515003, 308418007; Simpson: MSH3125, MSH3125-S, MSH3224, MS60921, MS61043, MS61222, 90029, 90028, 520002, 520004, PS60841, PS60981, PS3425, 40224, 40225, 40226; Homelite: 308653057, 308418004, 308653078, UT80953A, UT80522B, UT80953B, UT80522A; Excell: PK18219, EXH2425, EXHA2425, XR2600, XC2600; Troy-Bilt: 20241, 020241-1, 20242, 020242-0-1, 020242-02, 020242-04, 01903; Karcher: K2400HH, G3050OH, MH5500H-1, M5500H-2, M5500H-3, G2800OH, G3000OH, G3025OH; PowerStroke: UT80522, UT80953, PS80544; Other: DXPW3025, DH3028, DXPW3425

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$62.98

$69.98

-10%

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VEVOR

VEVOR Pressure Washer Pump, 3/4" Shaft Horizontal, 2500-3400PSI, 2.5 GPM, Replacement Power Washer Pumps, Parts Washer Pump, Compatible with Honda, Simpson, RYOBI, Briggs & Stratton, Subaru, Craftsman

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Reborn Your Pressure Washer: Looking for a high-performance pressure washer pump? Look no further than the replacement residential pump! With 2500-3400 PSI pressure range and 2.5 GPM max flow rate, it's perfect for daily cleaning tasks such as walls, sidewalks, and vehicles. Save money by replacing your pump instead of buying a whole new power washer.
•Wide Compatibility: Designed with a standard SAE bolt pattern, our parts washer pump is suitable for most rear outlet 196-230cc pressure washers. It is compatible with RYOBI, Honda, Briggs and Stratton, Subaru, PowerStroke, Craftsman, Simpson, Homelite, and many other brands.
•Prevent Water/Oil Leakage: Say goodbye to impurities damaging your plunger! Our power washer pump strengthens plunger hardness to improve wear resistance and prolong the life of water/oil seals. The one-piece pump head offers a better sealing effect, and the metal shaft sleeve effectively prevents oil leakage.
•Maintenance-Free Design: This replacement power washer pump features a maintenance-free crankcase to save the hassle of changing gasoline. This easy-to-install kit is great for power washers that can support 2500-3400 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more.
•Easy to Start: Our power washer replacement pump boosts simple and quick cold starts to make the startup a breeze. No need to release pressure before starting the engine. Each kit includes 1 x Nozzle Needle, 1 x 3.3 ft Siphon Tube, 1 x Mounting Hardware Set, 2 x Shaft Key, 4 x 8 mm Spring Washer, and 4 x M8*25 mm Hexagon Bolt. Set up in a few minutes!

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$49.84

$54.99

-9%

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TOOLCY

TOOLCY 7/8" Shaft Vertical Pressure Washer Pump - Max 3100 PSI @ 2.5 GPM OEM & Power Washer Pump for Gas Washer - Rear Facing Inlet/Outlet - More Replacement for Simpson, Ryobi, Honda etc

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•[RESTART YOUR PRESSURE WASHER]: Vertical Pressure Washer Pump 7/8" Shaft MAX 3100 PSI / 2.5 GPM / @3400 RPM, refurbish your pressure cleaner by replacing it with a new pump for up to 150 hours. Top performance at 2800-3100 PSI and replacement for most Rear Outlet 180-196cc at 6.5-7hp engine RYOBI, Honda, Briggs and Stratton, Subaru, PowerStroke, Craftsman, Simpson, Homelite and Many other brand
•[EXTENDED SERVICE TIME]: High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, We promise the pump get 150 hrs running time, longer than OEM power washer pump. And the thermal relief valve (TRV) protects the pump from overheating while in by pass mode. ⚠ But will not fit 3/4" shaft engine pressure washer. If you're not sure, please keep in touch with us
•[EASY JOB]: Built-in for simple & quick cold starts to make the startup a breeze. no need to release pressure before starting engine. Easy set up in 5-10 minutes with Key. At the same time, we come with 3 special test matched nozzles(0°/25°/soap) to help you get the best cleaning solution. Please follow the instructions to help your machine renew working quickly
•[NO MAINTENANCE ]: Our pressure washer pump already have pre-filled oil and double seal system, set it up directly and prevents oil/water leaks. This pump features a maintenance-free crankcase so you never have to pre-fill gear oil and no need to change oil. The improved 2.5GPM, 3100PSI performance allows you to clean rooftops, sidewalks, cars, gardens, pools and more
•[COMPATIBILITY]: Compatible with Honda: GCV160, GCV190; Homelite: 308653026, 308653093, 308653078, 308653008, 308653036, 308653035, 308653058, 308653052, 308653006; Ryobi:RY8C2700, RY802700A, RY802900, RY802800, RY802723; PowerStroke: PS80931, PS80946; Husky:HU80709A, HU80911A, HU80709, HU80911; Craftsman: 580.752880, 580.752960, 580.752052, 580.752191; Simpson: msv3024, ms60773; Other: 020442-0, 311553gs, 020441-0.

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$68.98

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WOJET

WOJET Pressure Washer Pump, 3/4" Shaft, 3400PSI 2.5GPM, Horizontal Power Washer Pump With Anti-seize, Self-Priming, Replacement Pressure Washer Pump Kit for Dewalt, Simpson, Craftsman, Honda, Generac

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•COMPATIBILITY: The WOJET pressure washer pump works with the following engine models: ▶Honda GX160, GX200, GC160, GC190 ▶Briggs & Stratton 550EX, 575EX, 625EX, 675EXi, 725EXi, 850 Professional Series, 950 Series ▶Generac OHV 196cc, 161cc, 212cc ▶Subaru EA175V, EA190V ▶Kohler CH270, CH440, LH195, RH265, SH265, XT675 ▶Lifan 168F, 170F, LF200F ▶Loncin G200F, G160F, LC168F Not sure if it fits your model? Please send us your brand, model number, PSI, and GPM, and we’ll check for you!
•REVITALIZE YOUR PRESSURE WASHER: Give your old pressure washer a new lease of life with this reliable replacement pump. Designed for 3/4” shaft engines with 180 to 225 cc (6.5 to 7 HP), it fits well with many gas pressure washer models. With max pressure 3400 PSI and flow rate 2.5 GPM, this pressure washer pump is ideal for everyday tasks like car washes, driveway cleaning, fence maintenance, and other outdoor projects. It's a simple way to extend the life of your equipment
•EASILY ADJUSTABLE PRESSURE CONTROL: Our pump for power washer features an upgraded unloader that eliminates the need for a wrench to adjust pressure. Simply twist by hand - turn counterclockwise to reduce pressure for light tasks or clockwise to increase it for tougher jobs like cleaning driveways. This design lets you seamlessly switch between tasks, making it more convenient for washing cars, driveways, or more. The garden hose inlet and M22 outlet ensure easy connection to your existing setup
•SELF-PRIMING FOR GREATER FLEXIBILITY: Unlike most pumps, this model includes a unique self-priming function, giving you the freedom to draw water from a variety of sources. Whether it’s a bucket, pool, or tank, this power washer pump happily pulls water, making it ideal for areas without a direct faucet connection. Perfect for mobile tasks or supporting agricultural work, its versatility ensures you can tackle tough jobs in remote locations or expansive outdoor spaces
•REUSABLE PUMP: This replacement pump comes pre-filled with oil. Change oil every 200 hours. Made from strong die-cast aluminum, it resists rust and lasts a long time. A thermal relief valve prevents overheating by releasing hot water and letting in cooler water. It supports power washers up to 3400 PSI and 2.5 GPM. With detailed installation instructions and video, you can replace your old pump in just 10 minutes, making it a reliable upgrade for your pressure washer

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$79.99

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EZJOB

2400-2800PSI Pressure Washer Replacement Pump, 3/4" Shaft Horizontal Pressure Pump Replacement Power Washer Pumps for Power Washer

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Pressure washer pumps replacement is designed to replace the (horizontal) mounted pump, and insert to a 3/4" shaft engine, come with a 45mm keyway
•Power Washer Pump Pressure Pump: 2400 - 2800 PSI , Flow Rate: 3.1 GPM, Power:5-7 HP, Inlet: 3/4" thread, Outlet: M22, RPM:3400, Max. Water Supply Temperature: 104°F.Fits troy-built models and more models. Not fits all series. Please check the pump housing, pump shaft size, pressure power and the pump mounting size fit you pressure washer or not
•Fit Most Horizontal Pressure Washer Engine 196cc to 224cc : Replacement for Honda, Generac, Briggs and Stratton, Craftsman, Karcher, Blackmax,Ryobi, Troy-Bilt, Craftsman. - BUT You should ask us previously if you are not sure this power pump would fit or not ! Not fit all series models, pls check the mounting size, pressure power and shaft size before you buy. Nothing is worse than having to return a product. Let’s work together to avoid this
•Pressure Washer Pump Parts Pre-filled with oil and ready to use - Comes with Easy start valve (EZ), Thermal relief valve (Made in USA), Chemical Injection & Unloader, Aluminum pump head, Key way stock
•Seller Service: The mounting flange provides a convenient connection to most 3/4’’ diameter shaft. If you are not sure your high pressure washer could fit or not, please inform us your engine model, install size, and send us your former pump's pictures, or any after-sales problems, we would like to service you. Pls notice - Pumps are consuming products, running about 2-3 years

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$59.99

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AR ANNOVI REVERBERI

AR ANNOVI REVERBERI, RMV25G30D-EZ-PKG, Replacement High Pressure Pump Package, 3000 PSI, 2.5 GPM EZ Start, Shaft Size 3/4", 3400 RPM

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•RMW 3400rpm
•D Version 3/4-Inch
•Vertical Gas Engine Flange

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$175.00

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Generac

Generac 6656 Pressure Washer Pump Oil, 16-Ounce - Optimal Protection and Performance

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Advanced Additive Technology: Generac 6656 Pressure Washer Pump Oil is specially formulated with advanced additives to provide superior protection for your pressure washer pump, even under extreme conditions
•Friction and Wear Reduction: This pump oil reduces friction and wear during start-up, minimizing the strain on your pressure washer pump. By lubricating the internal components, it promotes smooth operation and helps prevent premature wear and tear
•Thermal Breakdown Prevention: The formula of Generac 6656 Pump Oil helps prevent thermal breakdown, which can occur during prolonged use or in high-temperature environments. Ensuring optimal performance and reliability of your pressure washer pump
•Convenient Bottle Size: Each bottle contains 16 ounces (473 ml) of pump oil, providing an ample supply for regular maintenance and ensuring that you have enough on hand when needed. It is designed for easy pouring and convenient storage
•Trusted Performance: Generac is a trusted brand in power equipment, known for its reliability and performance. With Generac 6656 Pressure Washer Pump Oil, you can confidently maintain and protect your pressure washer pump

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$15.57

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