4000 PSI Pressure Washer Pump Horizontal Shaft 1.0 inch Fits Honda Engine Water. HONDA FROM GX270, GX340, GX390. 4.0 Gallons per Minute (GPM).3/8 NPT - also has female disconnect. Fits many makes and models with the 1 Shaft. 4000 PSI / 4 GPM. It is the customers responsibility to make sure this replacement pump will fit on your unit. We usually respond within a few hours. We strive for 5-Star ratings and we will go out of our way to make you happy! We appreciate you taking the time to look at our product and will be honored to offer our services to you. The item "4000 PSI Pressure Washer Pump Horizontal Shaft 1.0 inch Fits Honda Engine Water" is in sale since Wednesday, August 3, 2016. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Pressure Washers". The seller is "usapartsource" and is located in Attica, Michigan. This item can be shipped to United States.