The 10 Best High Pressure piston Pumps (2023 reviews)

• Date : August 20, 2023
• Categories : Pressure Washer Parts And Accessories

We consider a high pressure piston pump to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Simpson Replacement Pump READ REVIEW

Best For Washing machine: Buy: OEM Technologies High Pressure piston Pump READ REVIEW

Best For vertical Engine: Buy: Sanol High Pressure piston Pump READ REVIEW

Best For Engine: Buy: canpump Good Pump READ REVIEW

Best Product: Buy: Simpson High Pressure piston Pump READ REVIEW

Best For sidewalk: Buy: YAMATIC Replacement Pump READ REVIEW

Best With Standard SAE: Buy: canpump High Pressure piston Pump READ REVIEW

Best For Transferring Water: Buy: Wrtgerht High Pressure piston Pump READ REVIEW

Best For Complex environment: Buy: Xixian High Pressure piston Pump READ REVIEW

Best Feature: Easy To Install: Buy: YAMATIC High Pressure piston Pump READ REVIEW

Best Overall: Simpson Replacement Pump

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Simpson line of pump come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This pump will bolt on in place of the Oil Free Strap pump that is one of the DeWalt DPD3100 with no alterations required. It fits many gas pressure washers with horizontal engines. It has a max pressure of 3200 psi @2.5gpm. The thermal relief valve opens if the water temperature inside the pump gets too hot. This pump has a 3/4 inch shaft size. It is perfectly on top of old mounts and turned right on when powered up.

• Perfect fit the pump very efficient high-pressure and a great value
• Takes less then thirty minutes to change out
• New and hot release

Best For Washing machine: OEM Technologies High Pressure piston Pump

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The 90028 Pump is designed to be used on an engine of at least 5.0 HP with a 3/4 Inch crankshaft and can only be mounted in a Horizontal position. This pump will have the same mounting bolt pattern as your older generac model. This pump comes pre-assembled with oil already in the pump. That motor has a 3/4" shaft and it will be a direct bolt. This pump features a maintenance-free crankcase so you never have to change the oil.

This pump will fit remember to check your hose connections and best to install the motor on its side dropping shaft in vertically so you don't get oil out. The install kit is great for machines that can support 3300 psi at 2.4 gpm to wash walls, fences, sidewalks, vehicles, and more. This pump is just capable of a lot more.

• Installed in 10 minutes and ran for 2 hours with no problem
• Perfect fit for karcher, pressure to burn
• Extremely easy to install and not one leak on its test run

Best For vertical Engine: Sanol High Pressure piston Pump

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This pump works well for residential use. It is easy to install, powerful pump with lots of pressure. The high-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, 120 hrs of running time, longer than oem power washer pump. The passages in the pump have low volumes of water and thus freeze easily. The thermal relief valve ( TVR) protects the pump from overheating while in bypass mode.

The unit is very easy to install, about 15 minutes. This pump features a maintenance-free crankcase so you never have to change the gasoline.

• Pressure and volume is adequate for most uses
• Replacement for simpson, generac, homelite, honda, karcher and more
• Works great and lots of pressure
• Good replacement for homeowner pressure washers

Best For Engine: canpump Good Pump

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This pump puts out some serious pressure and volume. It bolts right on and works great. It comes with a dipstick tube that screws into the top of the pump. It's a 'plug and play' unit and works fantastic. The fit and finish of this pump looks good, installation is straightforward and it has worked well and as expected on the first few uses.

The pump needs a fitting to connect to your pressure hose. There's a twist knob on the back to adjust output pressure, so you can use it on an even smaller motor if you want. This pump does not require a quick coupler.

• Great little pump for smaller jobs
• Lots of power and very easy to instal
• Strengthened aluminum wobble plate and hardened solid stainless steel plunger ensure durability

Best Product: Simpson High Pressure piston Pump

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The features department is where simpson high pressure piston pump truly manages to shine. The AAA triplex plunger pump will fit your 8.5 HP Honda Engine. Because this 90036 AAA Pump has an adjustable unloader, and it can be turned down to whatever the maximum pressure is the engine is able to produce with the OEM nozzles. It is designed to last the life of the pump. The install kit is great for power washers that can support 3200 psi at 2.8 gpm to wash walls, sidewalks, vehicles, and more. It is easy to install right out of the box.

This replacement pump features a garden hose inlet and threaded m22 connection high pressure hose outlet. The thermal relief valve opens if the water temperature inside the pump gets too hot. It is a little larger than the old one so it's hard to turn the pressure knob because it is so close to the handlebar pole pole.

• Easy switch, running again in minutes
• Install was super easy, four bolts off, four bolts back on
• Works well and delivers good flow
• Easy install, better pump than the one to machine originally came with

Best For sidewalk: YAMATIC Replacement Pump

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There are generally 2 styles of pumps for consumer pressure washers. It is perfect for your powerhorse 3000 2.5gpm pressure washer. It has a horizontal type like this one and a vertical one that has legs to mount on the bottom side of the power washer. It comes with new spray nozzles and chemical siphon hose. The different length keys are for fitting some engines that have a shorter or longer shaft.

This pump features a maintenance-free crankcase so you never have to change the gasoline. It is designed with a thermal release valve that will release the hot water. The size of the horizontal pump is different from the vertical pump, but it only fits for the Horizontal engine. This is an excellent replacement pump that installs in about 10 minutes.

• High quality bearings and spray bar
• Installed easy, great pump, works well
• One of the new comers and featured product

Best With Standard SAE: canpump High Pressure piston Pump

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate pump. The canpump high pressure piston pump is exactly that - it's a simple pump that hits all the right notes. This model needs 13 HP to reach the max performance, so you engine can not run it appropriately. It includes detergent tube with strainer, set of extra o-rings, and operating manual with spare parts list. It comes with 18 mm piston which makes it more durable, compare to 15 mm on the other one. It is compatible with standard sae j609 mounting flange for up to 13 hp direct-drive gasoline engines with 1" horizontal shafts. It is 1" hollow shaft and works.

This pump is a best fit for your engine. It is a complete replacement pump, but to run a power washer, you need a spray gun, pressure hose and nozzles too. This does not have a pressure relief valve but it does have an unloader valve included.

• Multiple mounting holes to fit various motor types
• Very nice replacement pump, easy bolt on to honda
• Repair a triplex plunger pump mechanism

Best For Transferring Water: Wrtgerht High Pressure piston Pump

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Compared with other pump in this category, the wrtgerht high pressure piston pump has a convenient design. This mini utility pump offers big value in a little package.

• New and hot release
• Delivers what they promise

Best For Complex environment: Xixian High Pressure piston Pump

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Next on the list, we've got yet another pump that manages to win our hearts. It's the xixian high pressure piston pump and it's widely considered as pump that has the most suitable features. This electric double cylinder piston pump is made of stainless steel material, selected from premium inner core copper wire motor, b power, low power consumption, high efficiency, low cost of use, and long service lifespan. It is suitable for complex environment, support both indoor and outdoor use.

The Double-cylinder plunger pump, strong water pressure, even can drive 200m water pipes, and the sprayed water column can be up to 6-8meters.

• Stainless steel plunger, engineering die-casting process, wear resistance and can provide long service time
• Waterproof switch, suitable for complex environment, support both indoor and outdoor use
• Good investment for long term

Best Feature: Easy To Install: YAMATIC High Pressure piston Pump

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This pump will fit the Honda gc190 pressure washer well and work great. It's a 3/4" shaft Horizontal 212cc Engine with 2.5 GPM flow rate, so this pump will fit it well. The new pump right out of the box is better built than the OEM one that comes on the power washer. It comes with oil-pre sealed already.

This pump features a maintenance-free crankcase so you never have to change the gasoline. The temperature reaches a certain level, the water pump will automatically release hot water to cool down. The install kit is great for power washers that can support 3000 psi at 2.5 gpm to wash walls, fences, sidewalks, vehicles, and more. It will fit if the engine is a 3/4" Horizontal shaft.

• Easy install and didn't need any pressure adjustments
• Replacement for simpson, generac, homelite, honda, karcher and more
• New and hot release