Pressure Washer Pump, Triplex Plunger, 4000 PSI, 4.0 GPM, 1 in Shaft

Pressure washer replacement pump restores strong, consistent cleaning power with up to 4000 PSI and 4.0 GPM to tackle driveways, siding, equipment, and shop cleanup faster. Built with copper and aluminum components plus a corrosion-resistant finish, it’s designed for reliable service and simpler upkeep. A built-in pressure regulator helps you fine-tune output for different tasks while reducing strain during short pauses.

Swap your worn pump instead of replacing the entire washer. This triplex plunger design is built for steady pressure and dependable flow, helping reduce downtime and keep your machine working as intended. For longest life, run at the recommended pressure for routine jobs and change oil about every 60 hours of operation. Confirm engine orientation (horizontal), shaft size, and inlet/outlet fittings before ordering to avoid mismatches. Grab yours today and get back to clean results.