Fits most HORIZONTAL shaft engines with a 1 diameter shaft. The pump bolts to the motor with a 4 bolt pattern and bolts up on 8 to 13 horsepower Honda Motors. NOTE: Pump only, NO UNLOADER included - If you need a new unloader valve use KLP408. 1/2'' FPT inlet, 3/8'' FPT discharge. Reversible Crankcase for Right & Left Hand Mounting. The item "Comet Pump ZWD4040G Pressure Washer Pump 4000psi Horizontal Shaft Fits Honda" is in sale since Friday, April 1, 2016. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Pressure Washers". The seller is "toolbarn" and is located in Carter Lake, Iowa. This item can be shipped to United States.