The perfect addition to any exhaust manifold replacement or upgrade on your Duramax. Our phosphate & oil coated bolts meet or exceed OE specs. Paired ..
The Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution..
DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide mar..
Replace the water pump on your 2001 to 2005 Duramax Silverado or Sierra truck with this kit that includes all the gaskets and seals to do the job righ..
Over time and miles the injectors become heavily coated with carbon between the tip and sleeve causing them to stick together. When using a factory to..
Use our improved lower valve cover bolt kit with a hex bolt instead of the allen head bolt that is sometimes hard to get a socket or wrench on. By usi..
Water pumps are common wear items not only in Duramax trucks but in all vehicles. A failing pump can cause catastrophic damage if not taken care of ea..
This is the rear output seal for NP261XHD and NP263XHD transfer cases with an integrated boot.What is a Transfer Case "Pump Rub" Failure?GM transfer c..
The Merchant Automotive Deluxe Seal kit for the NP263XHD includes all the seals used throughout the transfer case to complete the proper reassembly af..
The Merchant Automotive Deluxe Bearing and Seal kit for the NP263XHD includes all the bearings and seals throughout the transfer case as well as low r..
The Merchant Automotive 263XHD Snap Ring Kit includes all ten snap rings required when replacing the snap rings inside the 263XHD transfer case during..
Whether you are finishing off your Allison transmission rebuild or having to replace your factory rear adapter housing, this direct replacement adapte..
Featuring a factory construction, the Mahle piston (standard, left bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle p..
Featuring a factory construction, the Mahle Piston (Standard, Right Bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle ..
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just a ..
The Alliant AP0052 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. ..