Pressure Washer Pump 3500 PSI, 2.5 GPM, 3/4 In Shaft – Horizontal

Pressure washer replacement pump restores strong, consistent spray so you can get back to cleaning faster without replacing the whole machine. Built for 3/4" (19.05 mm) horizontal shaft gas engines, it delivers up to 3500 PSI and 2.5 GPM for driveways, siding, vehicles, and equipment. The aluminum body with an anodized protective layer helps resist corrosion, while a maintenance-free crankcase reduces routine service.

Use this pump kit when your current pump loses pressure, leaks, or won’t prime—common signs it’s time for a replacement. Connections are designed for common pressure washer hookups, helping you refresh performance with minimal downtime. Keep the siphon tube handy for detergent application and use the cleaning pin to clear nozzle clogs quickly. If your washer uses a 3/4" horizontal shaft and SAE mounting pattern, grab yours today and get back to reliable cleaning power.