The XDP XTRA Cool Water Pump (Pump Only) XD678 is a direct-fit replacement for the failed component in your GM 6.6 L5P Duramax. This water pump utilizes high-quality materials in the manufacturing process and is made to the same high-quality specifications as the factory pump. This is sold as the water pump only, no housing included.

Features:

High-Quality Materials
Direct-Fit Replacement
Includes Mounting Gasket

Specifications:

Housing Material: Aluminum
Hub Height: 1.433"
Impeller Material: Plastic
Impeller Rotation: Reverse
Impeller Vane Quantity: 7
Includes Back Housing: No
Mounting Hardware Included: No
Mounting Hole Quantity: 6

Manufacturer Warranty:

2 Year / Unlimited Mileage

Note:

Any modifications such as welding the impeller or gear will void water pump warranty.
The harmonic balancer balancer bolt will need to be removed to replace your water pump.
The factory bolt is a torque-to-yield fastener (TTY) for one time use and must be replaced.