SIMPSON ® designs, engineers, and manufactures both vertical and horizontal OEM™ and AAA ® pressure washer pumps. Made to provide a long service life, both OEM and AAA pumps contain premium seals, high-strength bearings, and corrosion-resistant materials.

Known for their power, efficiency, and long service life, triplex industrial plunger pumps are the pump of choice for high-end, commercial-grade pressure washers. SIMPSON ® ’s AAA™ industrial triplex pumps are made with premium seals, high-strength bearings, and corrosion-resistant materials.

• Save money by replacing your pump instead of buying a whole new power washer, 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 • This replacement pump features a garden hose inlet and QC quick connect high pressure hose outlet

Find a large selection of Simpson & FNA pressure washer pumps listed by model number. Easily find the part or pump you need. All orders $100+ ship for FREE.

7/8" Shaft Vertical Pressure Washer Pump - Max 3100 PSI @ 2.5 GPM OEM & Power Washer Pump for Gas Washer - Pre-Filling Gear Oil - More Replacement for Simpson, Ryobi, Honda etc

FNA Group is a vertically integrated manufacturer of gas & electric pressure washers, pumps, generators, trailers, hoses and replacement parts. It sells worldwide to homeowners, …

Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer; This easy-to-install kit is great for machines that can support 3400 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more

Get the Right Pump for Your Machine: This pump is designed for gas-powered pressure washers with horizontal engines. Its SAE bolt pattern, hardware, and standard connections make it a great fit for many brands and models of power washers.

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Pressure Washer Pump, 4400PSI 4GPM 1" Shaft Horizontal Triplex Plunger Power Washer Pump, Replacement Pressure Pump Kit, Compatible with Simpson MorFlex Models 40224, 40225, 40226