Top 10 Best generac power washer pump in 2026

Last Updated - 6/26/2026

🏆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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YAMATIC

YAMATIC 7/8" Shaft Vertical Pressure Washer Pump Rear Inlet/Outlet 3000 PSI @ 2.5 GPM Replacement Pump for Power Washers, Compatible with 308653045, 308653052, 308653078, GCV190 and more

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【COMPATIBILITY 】Replacement for ►Honda: GCV160, GCV190 ►Homelite: UT80432A, UT80432, UT80993, 308653006, 308653058, 308653009, 308653093, 308653052, 308653078. ►Simpson: ms60773, msv3024. ►Subaru: ea190v ►Ryobi: RY803001, RY802800, RY802900, RY802723, RY802700A. ►Husky: HU80911, HU80709A, HU80911A. ►Craftsman: 580752500, 580752580, 580.752052, 580.752191. ►Briggs & Stratton: 311553gs, 020441-0, 020442-0.
•【Reborn Your Power Washer】YAMATIC Rear Inlet/Outlet 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. Top performance at 2600-3000 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 brands. (* NOT fit the pressure washer with an idle down feature.)
•【Extended Durability & Adjustable Unloader】 The high-performance double seal system prevents leakage, and the upgraded technical surfacing piston and bearing provide 150 hours of running time, longer than the original power washer pump. And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode. The adjustable unloader allows you to increase or reduce the pressure to meet the engine's requirements better.
•【Maintenance-Free】This pump features a maintenance-free crankcase, so you never have to change the gasoline. This easy-to-install kit is excellent for power washers that can support 3000 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more.
•【Easy Start】 Set up in 5-10 minutes! Built in for quick & straightforward cold starts to make the startup a breeze, no need to release pressure before starting the 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.

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$74.99

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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

9.5

ChoiceComparer.com Score

9.5

/ 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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$56.54

$61.99

-9%

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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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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

9.2

ChoiceComparer.com Score

9.2

/ 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

9.1

ChoiceComparer.com Score

9.1

/ 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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Tool Daily

Tool Daily 3/4" Shaft Horizontal Pressure Washer Pump, Replacement Pumps for Cold Water Gas Power Washer, 2600-3000 PSI, 2.4 GPM, Compatible with Honda, Simpson, Ryobi and More Pressure Washer

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•𝐀𝐓𝐓𝐄𝐍𝐓𝐈𝐎𝐍: The power washer pump head is specifically designed to fit horizontal gasoline engines of pressure washers. It is not compatible with vertical engines or electric pressure washers. Please note that the shaft size required for this pump is 3/4''. If the shaft size of your old pump is not 3/4'', it will not fit properly.
•𝐂𝐎𝐌𝐏𝐀𝐓𝐈𝐁𝐈𝐋𝐈𝐓𝐘: Please ensure that the replacement power washer pump is compatible with your specific model. Our pressure washer water pump is designed to work with a wide range of pressure washer brands and models. It is compatible with many models of Generac, Briggs and Stratton,Homelite, Powerstroke, Troy Bilt, Devilbiss, Sears Craftsman, Simpson, Himore, EXCELL, & Karcher Pressure Washer.
•𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: With a working pressure rating of 2600-3000 PSI and a flow rate of 2.4 GPM, our pressure washing pump delivers exceptional performance. The maximum temperature it can handle is 140 degrees Fahrenheit. Constructed with a durable aluminum alloy body, this pump ensures consistent and forceful water pressure. Whether you're facing stubborn dirt or stubborn grime, our pump enables you to achieve remarkable results with every use, efficiently tackling even the most challenging cleaning jobs.
•𝐄𝐍𝐇𝐀𝐍𝐂𝐄𝐃 𝐒𝐀𝐅𝐄𝐓𝐘 𝐀𝐍𝐃 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Our horizontal pressure washer pump features a built-in thermal relief valve. This important safety feature prevents overheating, ensuring the longevity of the pump's internal components. With the thermal relief valve, you can confidently tackle tough cleaning tasks without worrying about potential damage caused by excessive heat.
•𝐏𝐀𝐂𝐊𝐀𝐆𝐄 𝐈𝐍𝐂𝐋𝐔𝐃𝐄: 1x power washer replacement pump, 1x M22 14mm female to 3/8” plug, 1x 3/8” quick disconnect to M22 14mm male. 1x 3/4’’ female to 1/2’’ quick connect, 1x 1/2’’ plug to 3/4’’ male, 1x chemical injector siphon hose, 4x flange bolts, 1x keyways, 4x gaskets, 5x spray nozzles. Thermal relief valve and chemical injector are included in the pump. Upgrade your pressure washer effortlessly with our all-inclusive replacement pump kit.

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$61.99

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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

8.8

ChoiceComparer.com Score

8.8

/ 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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YAMATIC

YAMATIC Pressure Washer Pump 3/4" Shaft Horizontal Power Washer Pump Max 3200 PSI 2.5 GPM Replacement Pump Compatible with Simpson 90028, 90029,MSH3125,520006, Honda GC190 GC160,AR rmv 2.5g30

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Reborn Your Pressure Washer】YAMATIC Horizontal Power Washer Pump 3/4" Shaft MAX 3200 PSI / 2.5 GPM / @3200 RPM, Save money by replacing your pump instead of buying a new power washer. Top performance at 2800-3200 PSI and fit most 208-220cc 6.5HP-7.0HP engine. Replacement for Simpson, Homelite, Honda, Karcher and more. ※►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''. ⚠ Will not fit 7/8 inch shaft as engine.
•【Extended Durability& Adjustable Unloader】 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. With adjustable unloader allows you to increase or reduce the pressure to fit the engine's requirement better.
•【Maintenance-Free】This pump features a maintenance-free crankcase so you never have to change the oil. This easy-to-install kit is great for power washers that can support 3200 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more.⚠NOTE: Will not fit 7/8 inch shaft as engine. If you're not sure fit or not, just message us and we will confirm it for you!
•【Easy Start】 Built in for simple & quick cold starts to make the startup a breeze, no need to release pressure before starting 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!
•【COMPATIBILITY 】Replacement for►Simpson: 90029, 90028,MSH3125, MSH3125-S, 52004,MSH3224, MS60921. ►Honda: GC190 GC160. ►Troy-Bilt: 20241, 020241-1, 20242, 020242-0 -1. ►AR: rmv 2.5g30 ►Karcher: G3050OH, MH5500H-1, M5500H-2, M5500H-3, G2800OH, G3000OH, G3025OH, G3050OH. ► 01675-0, 01675, AXD2524GT-22mm, AXD3025G. ►Delta: DXPW3025, DH3028.

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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

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

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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