The Merchant Automotive 10374 Water Pump with Cover for your 01-05 GM6.6L Duramax is a replacement for the factory pump. Includes flywheel lock, all gaskets, and o-rings for installation. Seal between housing and gasket is installed. Bolts are torqued. Some existing hardware will be re-used.
- Welded Impeller & Drive Gear
- Pre-Assembled Kit For Easy Installation