Includes Thermal Release Valve and Hardware. Garden hose hookup / 22mm Outlet. Pump oil already installed, ready to go. From Center to center on mounting bolts 2-9/16.From center of main shaft out to the mounting bolts is 1-7/8. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Pressure Washers". The seller is "appliancepartsfinderpro" and is located in this country: US. This item can be shipped to United States.