4000 PSI Gas Power Washer Pump Replacement, 4.2 GPM, Direct Drive, 1 Shaft

[Rejuvenate Your Gas Pressure Washer] - Save big on a high-quality triplex pressure washer pump. Engineered for horizontal mounting, this pump can revitalize your power washer with a maximum of 4000 PSI and 4.2 GPM, achieving optimal performance at a recommended working pressure of 3400 PSI at 3400 RPM for extended durability. Perfect for servicing residential and light commercial pressure washing needs, including driveways, decks, fences, sidewalks, vehicles, and more.

[Premium Original Equipment Manufacturer (OEM) Power Washer Pump] - Featuring a fully anodized black crankcase and a solid brass pump head, this pump offers increased strength and longevity. The triplex design ensures a smoother, more robust operation, while the sight glass and advanced oil seal technology eliminate the necessity for a dipstick.

[Adjustable Unloader for Optimal Performance] - Equipped with an adjustable unloader, this pump allows you to fine-tune your pressure output for the best possible performance with your engine, optimizing cleaning efficiency in your workshop. Additionally, you can reduce pressure when your engine needs to switch to idle mode for reduced noise and a more relaxing operation.

[Quick and Easy Installation] - The pump flange is designed to meet industry-standard SAE mounting dimensions, featuring a 1" shaft hole. The diagonal distance between holes is 6 1/2 inches, with the short side holes spaced 3 1/4 inches apart and the long side holes spaced 4 1/2 inches apart. With a 3/4" garden hose inlet and a 3/8" quick connect output, installation is a breeze, allowing you to renew your power washer effortlessly. Compatible with most engines ranging from 9-15HP or 270-340cc, this pump is a reliable replacement option for engines such as Honda's GX340, GX390, and GX270, as well as Briggs & Stratton and Simpson engines.

[Helpful Tips] - Utilize the sight glass feature to easily monitor the oil level, ensuring that you can promptly address low oil levels or any water contamination issues. It is recommended to change the oil every 60 hours of running time to maintain optimal performance. Please note that this pressure washer pump is intended for use with cold water only.

product information: