Mahle Head Gasket Set Grade C Left & Right Sides For 2001–2016 GM Duramax 6.6L

SKU: 55026 | 55027

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$169.95
$169.95
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This Mahle Grade C Head Gasket Set provides both the left (driver) and right (passenger) side gaskets for 2001–2016 GM Duramax 6.6L engines. These updated gold-colored OE-grade gaskets are manufactured by Elring—the same OEM supplier responsible for factory Duramax sealing components. Designed as direct replacements for Mahle 54585 and 54582, this updated 55027/55026 combination delivers enhanced durability and precision fitment for engine rebuilds or head-gasket repairs.

Each gasket in this bundle features the common Grade C 1.05mm thickness specification, making them suitable for most factory or lightly modified Duramax engines. Mahle’s advanced construction ensures reliable sealing under high-compression diesel loads, offering dependable performance for towing, daily driving, or work-duty applications. Each gasket is clearly stamped “L” and “R” to ensure proper orientation during installation.

Features:

  • Updated OEM-grade design manufactured by Elring for improved durability
  • Gold-coated construction enhances sealing strength and heat resistance
  • Grade C 1.05mm thickness ideal for common Duramax service replacement
  • Stamped L and R markings ensure correct gasket orientation at install
  • Direct replacements for outdated Mahle 54585 and 54582 gasket versions
  • Compatible with 2001–2016 GM 6.6L Duramax diesel engines
  • Engineered for reliable sealing under high-compression diesel loads
  • Ideal for rebuilds, repairs, towing, and heavy-duty use applications

Specifications:

  • Brand: Mahle / Elring
  • Engine Type: 6.6L Duramax Diesel
  • Model Years: 2001–2016
  • Gasket Thickness: Grade C – 1.05mm
  • Driver Side Gasket: Mahle 55027 (Replaces 54585)
  • Passenger Side Gasket: Mahle 55026 (Replaces 54582)
  • Construction: OE-grade multi-layer steel
  • Color: Gold OEM Updated Design
  • Orientation Markings: Stamped L & R for identification
  • Application Type: Left & Right Cylinder Head Gaskets Bundle

Included:

  • (1) Mahle 55027 Driver Side Grade C Head Gasket
  • (1) Mahle 55026 Passenger Side Grade C Head Gasket

Fitment:

  • 2001–2016 Chevrolet Silverado 2500HD 6.6L Duramax
  • 2001–2016 Chevrolet Silverado 3500HD 6.6L Duramax
  • 2001–2016 GMC Sierra 2500HD 6.6L Duramax
  • 2001–2016 GMC Sierra 3500HD 6.6L Duramax
  • Compatible with LB7, LLY, LBZ, LMM, and LML 6.6L Duramax Engines

Notes:

  • 1 Year Warranty

Product Specs

SKU:
55026 | 55027
Brand:
Mahle
part type:
Engine

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