The XDP X-TRA Cool Water Pump (Primary) XD682 is a direct-fit replacement for the failing water pump in your Ford 6.7 Powerstroke. Your 6.7L has a primary and secondary cooling system. This pump is for the primary system which handles the cooling of several critical components that your engine needs to properly operate. This water pump is a direct-fit replacement that is built to meet the factory specifications. This gives you a perfect replacement option that provides you with a factory fit and function.Features: Primary Water PumpHigh-Quality MaterialsDirect-Fit Replacement2 Year/Unlimited MileageSpecs: Housing Material: AluminumHub Height: 5.446 InchImpeller Material: IronImpeller Rotation: StandardImpeller Vane Quantity: 8Mounting Hole Quantity: 18