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)

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). PowerBoost Technology sends higher pressure to the nozzle for a faster clean, while the integrated stainless steel unloader on the pressure washer water pump supports fast starts and dual oversized ball bearings minimize friction and engine load for long-lasting performance. Installation is straightforward thanks to the SAE bolt pattern, garden-hose inlet, and M22 high-pressure outlet, and the kit includes a siphon tube with filter, mounting bolts, shaft key, and instructions. The sight glass and advanced oil seals let you see oil level and quality at a glance (no dipstick needed). You can easily see when oil levels are low or if water has clouded the oil. Thermal relief protection keeps the pump from overheating. 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 is great for walls, fences, sidewalks, vehicles, 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.

• AAA TRIPLEX REPLACEMENT POWER WASHER PUMP: Replace your SIMPSON pressure washer pump with the AAA Triplex Power Washer Pump to restore cleaning power; It offers up to 3700 PSI at 2.5 GPM and fits horizontal engines with 3/4" shaft such as the Honda GX200
• EASY INSTALLATION: SAE standard bolt pattern fits many gas pressure washers with horizontal engines; To ensure compatibility, be sure to match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet and outlet connection
• ADJUSTABLE PERFORMANCE: Rely on PowerBoost Technology to increase pressure at the nozzle; Turn the hand knob to match power to tasks from siding and sidewalks to fleet vehicles; Stainless steel integrated unloader supports an easy-start system
• DURABILITY AND EASY MAINTENANCE: Dual oversized ball bearings reduce friction; Thermal relief valve prevents the pump overheating; The sight glass and advanced oil seal technology eliminates the need for a dipstick; Brass manifold adds durability
• POWER WASHER PUMP REPLACEMENT NOTES: This gas powered pressure washer replacement pump features a garden hose inlet and threaded M22 connection for use with pressure washer attachments; Includes siphon tube, hardware, shaft key, and instructions