AAA 3700 PSI 2.5 GPM Replacement Triplex Pressure Washer Pump Kit for SIMPSON Gas Power Washer Pumps, 3/4″ Shaft, Horizontal Engine Fit, PowerBoost (90037)

• AAA TRIPLEX REPLACEMENT POWER WASHER PUMP: To regain cleaning power, replace your SIMPSON pressure washer pump with the AAA Triplex Power Washer Pump. It offers up to 3700 PSI at 2.5 GPM and is compatible with horizontal engines with 3/4″ shafts, such as the Honda GX200.
• EASY INSTALLATION: The SAE standard bolt pattern is compatible with many gas pressure washers with horizontal engines. To ensure compatibility, match the orientation of the engine, PSI, GPM, diameter of the engine shaft, and current pump inlet and outlet connections.
• Adjustable performance: Stainless steel integrated unloader supports an easy-start system; rely on PowerBoost Technology to increase nozzle pressure; turn the hand knob to match power to siding, sidewalks, and fleet vehicles.
• DURABILITY AND EASY MAINTENANCE: The pump’s thermal relief valve prevents the pump from overheating, the sight glass and advanced oil seal technology eliminate the need for a dipstick, and the brass manifold improves durability.
• NOTES FOR A POWER WASHER PUMP REPLACEMENT: This gas-powered replacement pump for pressure washers has a garden hose inlet and a threaded M22 connection for attachments. It also comes with a siphon tube, hardware, a shaft key, and instructions.

Engineered to surpass expectations, the AAA Triplex Pump Kit (90037) refreshes tired machines and helps you avoid replacing an entire unit.  Delivering up to 3700 PSI at 2.5 GPM, this industrial-grade replacement is a smart fit for many gas powered pressure washers that use a horizontal engine and a 3/4″ diameter shaft, including popular engines like the Honda GX200 (Check your pressure washer’s inlet and outlet orientation to ensure compatibility).  The integrated stainless steel unloader on the pressure washer water pump supports fast starts, PowerBoost Technology sends more pressure to the nozzle for a faster clean, and dual oversized ball bearings reduce engine load and friction for long-lasting performance. The garden-hose inlet, M22 high-pressure outlet, and SAE bolt pattern make installation simple. The kit also comes with mounting bolts, a shaft key, instructions, a siphon tube with filter, and mounting bolts. You don’t need a dipstick to see the quality and level of the oil thanks to the sight glass and advanced oil seals. When oil levels are low or if water has clouded the oil, it is easy to see. The pump is kept from getting too hot by thermal relief protection. Built with robust metal components, the 90037 is a dependable power washer pump replacement for homeowners and pros using SIMPSON pressure washer parts and other common pressure washer pumps.  It works great on cars, walls, fences, sidewalks, and more. Rely on AAA for a powerful replacement for your Simpson pressure washer pump.  Simpson power washers and Simpson power washer parts are built for DIYers and professionals alike to tackle any cleaning job.