Cometic Gasket

Cometic MLX Head Gasket Cummins 3.9L 4BT .061in 4.100in Bore - Single

SKU: cgsC5591-061 UPC: 191070135393
Backordered – call for lead time

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Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$116.93

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

For Cummins 3.9L 4BT 4-cylinder builds, this MLX head gasket comes in at .061in thick. It is a common pick for rebuilds and higher-boost engines that need a stronger seal than a stock gasket.

Key Features

  • MLX (multi-layer stopper) design with an integrated stopper layer that seals the combustion chamber and adds clamp load around the cylinder without increasing bore distortion
  • .061in compressed thickness
  • 4.100in bore
  • No sealant or re-torque required

Fitment

  • Cummins 3.9L 4BT 4-cylinder

Product Details

  • Brand: Cometic
  • Manufacturer Part Number: C5591-061

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 0.25

Shipping Length: 23.0

Shipping Width: 9.0
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.