Pressure Washer Pump 3300 PSI, 2.5 GPM, 3/4 in Shaft – Horizontal

Pressure washer pump replacement restores strong cleaning pressure fast, delivering up to 3300 PSI and 2.5 GPM for driveways, siding, equipment, and shop cleanup without replacing the whole washer. Built for horizontal engines with a 3/4" (19mm) shaft and standard SAE bolt pattern, it’s designed for quick swaps, stable output, and easier upkeep. Recommended working pressure is 2600 PSI to support longer pump life.

This triplex plunger pump is built with copper and aluminum components plus a corrosion-resistant finish for reliable performance in residential to light industrial cleaning. It connects to a 3/4" NH garden hose inlet and a 3/8" quick-connect outlet, making it easy to integrate into many power washer setups. For best results, match your current pump’s orientation, PSI/GPM needs, shaft size, and connectors before ordering. Keep it running smoothly by changing oil about every 60 hours. Grab yours today and get your pressure washer back in service.