Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From the factory, your Duramax uses a...

The XDP Pushrods 3/8 inch Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in your Duramax engine can hardly...

If you're looking for a direct-fit replacement for your Duramax 2001-2021, look no further than the GM 97209341 Front Main Seal. This genuine OEM seal is designed to provide a...

GM rear crankshaft oil seals are purposely designed with high-quality to replace your factory seals. They're constructed from top-grade materials to meet or exceed OE standards and are designed to...

Merchant Automotive 10196 Upper Valve Cover Bolt Kit replaces the damaged or stripped out bolts in your 2001-2004 GM 6.6L Duramax LB7. Sold in packs of 11. Merchant Automotive Valve...

Merchant Automotive 10204 Lower Valve Cover Bolt Kit for your 2001-2004 GM 6.6L Duramax is designed to replace the allen head bolts that are sometimes hard to get a socket...