2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Gaskets, Gasket Kits & Bearings

Maintaining consistent internal pressure and preventing leaks in your engine is made easy with our selection of 2011-2016 GM 6.6L Duramax LML Gaskets! Here at Alligator Performance, we offer an excellent variety of high-quality gaskets and gasket sets that range from basic stock replacements to complete performance upgrades. Our gaskets are curated from trusted manufacturers so you can outfit your Sierra/Silverado 2500/3500 with high-quality upgrades. Check out our full lineup of Engine Upgrades! GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2011-2016 6.6L LML
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Merchant 450402C Head Gasket Kit with ARP Studs and Exhaust Manifold Gaskets | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
5.0
Merchant 450402C Head Gasket Kit with ARP Studs and Exhaust Manifold Gaskets | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Merchant Automotive

Merchant 450402C Head Gasket Kit with ARP Studs and Exhaust Manifold Gaskets | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$1,275.63
Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$86.34
Regular price
$184.19
Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$99.23
Regular price
$190.89
Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$80
Regular price
$245.57
Merchant 97321295 Lower Valve Cover Gasket | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Merchant 97321295 Lower Valve Cover Gasket | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Merchant Automotive

Merchant 97321295 Lower Valve Cover Gasket | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Price
$76.72
Mahle 54580 Right Hand Side Head Gasket Grade A | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54580 Right Hand Side Head Gasket Grade A | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle 54580 Right Hand Side Head Gasket Grade A | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$88.86
Regular price
$185.02
Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Price
$56.72
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$15.96
Regular price
$41.03
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$34.30
Regular price
$73.99
Merchant 98045060 Grade C Left Side Head Gasket | 2001-2016 GM 2500HD/3500HD 6.6L Duramax
Merchant 98045060 Grade C Left Side Head Gasket | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 98045060 Grade C Left Side Head Gasket | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

Price
$99.72
Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$99.72
Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Cometic

Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$195.29

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2011-2016 6.6L Silverado & Sierra 2500HD/3500HD

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