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Cometic C5591-061 Cummins 3.9L 4BT MLS Cylinder Head Gasket

Manufacturer

Picture for manufacturer Cometic

Part Number

C5591-061
9 reviews
Sale Price

$123.17

Estimated ship date Saturday, November 28

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Product Details

The Cometic C5591-061 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Cummins 3.9L 4BT diesel engines. This gasket features Cometic's proven MLX construction with a compressed thickness of .061 inches, providing superior sealing performance and reliability in demanding applications.

Key Specifications:

  • Compressed gasket thickness: .061 inches
  • Cylinder bore: 4.100 inches
  • Multi-Layer Steel (MLS/MLX) construction for maximum durability
  • Engineered specifically for Cummins 3.9L 4BT engines
  • Provides excellent thermal stability and resistance to blowout

Features & Benefits:

  • Premium MLX gasket technology conforms to irregular sealing surfaces
  • Superior torque retention compared to traditional composite gaskets
  • Ideal for both stock rebuilds and performance applications
  • Maintains optimal combustion chamber seal under high cylinder pressures
  • Resistant to corrosion and extreme temperatures

Cometic Gaskets are trusted by professional engine builders and enthusiasts worldwide for their precision manufacturing and consistent quality. This head gasket is designed to meet or exceed OEM specifications while providing the durability needed for heavy-duty diesel applications.

Products specifications

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

MLX

everything was good

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Quick and easy

Ordered a roof rack for my car through these guys and all I can say is amazing. I received my order in 5 days, super fast and easy, great prices, and quality products. Couldn't ask for better, thanks!

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