Biswing Pressure Washer Pump — 3400 PSI Max, 2.5 GPM, 7/8 inch Shaft, Front Inlet/Outlet | Replacement Pump for Gas Power Washers

Refresh your cleaning toolkit with the Biswing Pressure Washer Pump, a robust replacement designed for gas-powered units. With a max working pressure of 3400 PSI and a flow rate of 2.5 GPM, this pump helps you tackle stubborn grime on driveways, patios, siding, and vehicles. The vertical plunger design helps deliver steady water pressure, while the compact aluminum body resists wear and helps maintain performance under demanding use.

Key advantages at a glance include a standard 7/8 inch shaft, a 3/4 inch NH garden hose inlet, and an M22 high-pressure hose outlet. This combination supports straightforward installation with many popular brands, and the built-in thermal relief valve helps protect the pump from overheating during long cleaning sessions. Whether you're refreshing your home's exterior or reviving a weathered deck, the Biswing pump offers reliable power without guesswork.

Power and durability

• 3400 PSI max, 2.5 GPM flow for strong cleaning performance on tough stains
• Aluminum alloy pump body plus wear-resistant seals for long-term durability
• Built-in thermal relief valve to help prevent overheating during extended use

Easy installation and compatibility

• Standard 7/8 inch shaft fits many gas-powered washers
• 3/4 inch NH garden hose inlet and M22 threaded high-pressure outlet for common hose connections
• Includes essential hardware to support a straightforward replacement (adapter couplers sold separately if needed)

In real-world use, this pump supports practical upgrades for homes, rentals, and seasonal cleaning projects. Imagine restoring a dull driveway, reviving a tired deck, or returning a vehicle’s shine with a steady, dependable spray. While results depend on your unit and conditions, the Biswing pump offers a sensible path to renewed performance without replacing your entire power washer.