Sinister Diesel Black Diamond Head Gasket -Driv. C- (SDBD585) for 2001-2010 Duramax

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The Sinister Diesel Duramax head gasket is a high-quality replacement for blown or leaking OE head gaskets on GM Duramax diesel engines from 2001–2010 (LB7, LLY, LBZ, and LMM models). It features a durable 5-layer stainless steel construction with heavy-duty cylinder seals and an FKM coating to prevent fluid leaks. Designed for excellent performance and a tight seal, each gasket is sold individually for either the driver’s or passenger’s side.

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Description

Trust this Sinister Diesel Duramax head gasket to replace any blown or leaking OE head gasket on your GM Duramax engine. It works as a direct replacement for all Duramax LB7, LLY, LBZ, and LMM 2001 to 2010 diesel engines. Sinister Diesel uses a solid stainless steel construction which ensures durability and a tight seal, so you enjoy excellent performance.

Each replacement head gasket features a 5-layer stainless steel sandwich construction, plus heavy-duty seals for each cylinder. Thanks to the adaptive fluoroelastomer (FKM) coating, fluids are also blocked from flowing past the gasket, ensuring a tight seal. Each gasket is sold individually, so choose either driver’s or passenger’s side.

Additional information
Weight 2 lbs
Dimensions 14 × 4 × 2 in
Fitment

Fitment

2010 Chevy/GMC 2500 6.6L

2010 Chevy/GMC 3500 6.6L

2009 Chevy/GMC 2500 6.6L

2009 Chevy/GMC 3500 6.6L

2008 Chevy/GMC 2500 6.6L

2008 Chevy/GMC 3500 6.6L

2007 Chevy/GMC 2500 6.6L

2007 Chevy/GMC 3500 6.6L

2006 Chevy/GMC 2500 6.6L

2006 Chevy/GMC 3500 6.6L

2005 Chevy/GMC 2500 6.6L

2005 Chevy/GMC 3500 6.6L

2004 Chevy/GMC 2500 6.6L

2004 Chevy/GMC 3500 6.6L

2003 Chevy/GMC 2500 6.6L

2003 Chevy/GMC 3500 6.6L

2002 Chevy/GMC 2500 6.6L

2002 Chevy/GMC 3500 6.6L

2001 Chevy/GMC 2500 6.6L

2001 Chevy/GMC 3500 6.6L

Features

Features

  • Construction – Multi-layer Steel
  • Product Design – Passenger Side, Grade C 1.05mm thickness, Coated with Adaptive fluoroelastomer (FKM)
  • Kit Includes – (1) Sinister Diesel Black Diamond 20mm Head Gasket
About brand
Sinister Diesel builds performance and reliability parts for diesel trucks. The company focuses on cooling, durability, and proper fitment. Sinister Diesel performance parts support daily driving, towing, and work use. Sinister designs cooling systems, charge pipes, and fuel system components. These parts help manage heat and reduce stress on the engine. Better cooling supports consistent performance under load. Truck owners trust the brand for dependable upgrades. These parts perform well in real-world driving conditions.
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