Replace the failed water pump on your GM 6.6 LB7/LLY Duramax with a XDP XTRA Cool Water Pump (Pump Only). The XTRA Cool Water Pump is manufactured to meet the same specifications as the OEM pump. The direct-fit design ensures that this component fits on your engine just like the original for a perfect fit and function and a new set of seals makes for a smooth installation. This is the pump only and does not include the housing.

Features:

Direct-Fit Design
Includes New Seals
OE-Style Replacement
High-Quality Construction

Specifications:

Fan Clutch Included: No
Housing Material: Aluminum
Hub Height IN: 2.515
Impeller Material: Grey Iron
Impeller Rotation: Standard
Impeller Vane Quantity: 8
Includes Back Housing: No
Mounting Hardware Included: No
Mounting Hole Quantity: 6
Pulley Included: No
Thermostat And Housing Included: No

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.