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Cometic GM LML/LMM/LGH Duramax Bottom End Gasket Kit

Get the best seal for your engine with Cometic's StreetPro Kit, designed for the budget-minded street-rodder. This kit includes all necessary gaskets and seals for a reliable rebuild.

Quality gasket materials are a top priority in StreetPro kits. You can expect to find MLS, AFM, Aramid Fiber, and Armor Clad materials in this kit.

  • Designed for budget-minded street-rodders
  • Includes all necessary gaskets and seals
  • Quality gasket materials for a reliable rebuild

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Chevrolet Express 2500 2011 Base
Chevrolet Express 2500 2011 LS
Chevrolet Express 2500 2011 LT
Chevrolet Express 2500 2012 Base
Chevrolet Express 2500 2012 LS
Chevrolet Express 2500 2012 LT
Chevrolet Express 2500 2013 Base
Chevrolet Express 2500 2013 LS
Chevrolet Express 2500 2013 LT
Chevrolet Express 2500 2014 Base
Chevrolet Express 2500 2014 LS
Chevrolet Express 2500 2014 LT
Chevrolet Express 2500 2015 Base
Chevrolet Express 2500 2015 LS
Chevrolet Express 2500 2015 LT
Chevrolet Express 3500 2011 Base
Chevrolet Express 3500 2011 LS
Chevrolet Express 3500 2011 LT
Chevrolet Express 3500 2012 Base
Chevrolet Express 3500 2012 LS
Chevrolet Express 3500 2012 LT
Chevrolet Express 3500 2013 Base
Chevrolet Express 3500 2013 LS
Chevrolet Express 3500 2013 LT
Chevrolet Express 3500 2014 Base
Chevrolet Express 3500 2014 LS
Chevrolet Express 3500 2014 LT
Chevrolet Express 3500 2015 Base
Chevrolet Express 3500 2015 LS
Chevrolet Express 3500 2015 LT
Chevrolet Silverado 2500 HD 2011 LT
Chevrolet Silverado 2500 HD 2011 LTZ
Chevrolet Silverado 2500 HD 2011 WT
Chevrolet Silverado 2500 HD 2012 LT
Chevrolet Silverado 2500 HD 2012 LTZ
Chevrolet Silverado 2500 HD 2012 WT
Chevrolet Silverado 2500 HD 2013 LT
Chevrolet Silverado 2500 HD 2013 LTZ
Chevrolet Silverado 2500 HD 2013 WT
Chevrolet Silverado 2500 HD 2014 LT
Chevrolet Silverado 2500 HD 2014 LTZ
Chevrolet Silverado 2500 HD 2014 WT
Chevrolet Silverado 2500 HD 2015 High Country
Chevrolet Silverado 2500 HD 2015 LT
Chevrolet Silverado 2500 HD 2015 LTZ
Chevrolet Silverado 2500 HD 2015 WT
Chevrolet Silverado 2500 HD 2016 High Country
Chevrolet Silverado 2500 HD 2016 LT
Chevrolet Silverado 2500 HD 2016 LTZ
Chevrolet Silverado 2500 HD 2016 WT
Chevrolet Silverado 3500 HD 2011 LT
Chevrolet Silverado 3500 HD 2011 LTZ
Chevrolet Silverado 3500 HD 2011 WT
Chevrolet Silverado 3500 HD 2012 LT
Chevrolet Silverado 3500 HD 2012 LTZ
Chevrolet Silverado 3500 HD 2012 WT
Chevrolet Silverado 3500 HD 2013 LT
Chevrolet Silverado 3500 HD 2013 LTZ
Chevrolet Silverado 3500 HD 2013 WT
Chevrolet Silverado 3500 HD 2014 LT
Chevrolet Silverado 3500 HD 2014 LTZ
Chevrolet Silverado 3500 HD 2014 WT
Chevrolet Silverado 3500 HD 2015 High Country
Chevrolet Silverado 3500 HD 2015 LT
Chevrolet Silverado 3500 HD 2015 LTZ
Chevrolet Silverado 3500 HD 2015 WT
Chevrolet Silverado 3500 HD 2016 High Country
Chevrolet Silverado 3500 HD 2016 LT
Chevrolet Silverado 3500 HD 2016 LTZ
Chevrolet Silverado 3500 HD 2016 WT
GMC Savana 2500 2011 Base
GMC Savana 2500 2011 LS
GMC Savana 2500 2011 LT
GMC Savana 2500 2012 Base
GMC Savana 2500 2012 LS
GMC Savana 2500 2012 LT
GMC Savana 2500 2013 Base
GMC Savana 2500 2013 LS
GMC Savana 2500 2013 LT
GMC Savana 2500 2014 Base
GMC Savana 2500 2014 LS
GMC Savana 2500 2014 LT
GMC Savana 2500 2015 Base
GMC Savana 2500 2015 LS
GMC Savana 2500 2015 LT
GMC Savana 3500 2011 Base
GMC Savana 3500 2011 LS
GMC Savana 3500 2011 LT
GMC Savana 3500 2012 Base
GMC Savana 3500 2012 LS
GMC Savana 3500 2012 LT
GMC Savana 3500 2013 Base
GMC Savana 3500 2013 LS
GMC Savana 3500 2013 LT
GMC Savana 3500 2014 Base
GMC Savana 3500 2014 LS
GMC Savana 3500 2014 LT
GMC Savana 3500 2015 Base
GMC Savana 3500 2015 LS
GMC Savana 3500 2015 LT
Cometic manufactures engine gaskets for both domestic and import vehicles. Gasket kits are available for both bottom end and top end for the most popular vehicles, while their MLS head gaskets are known to be some of the best in the industry. Cometic’s 70,000 square foot, state-of-the-art R&D and manufacturing facility allows them to design gaskets for engines using the latest technology, such as Multi-Layer Steel (MLS) gaskets as well as using synthetic blends such as Aramid Fiber.
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