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Part # FPE-61-10004-D Categories , , ,

Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10004-D) for 2011-2016 Duramax LML

$1,149.00

Purchase & earn 1,149 points!

The Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10004-D) is a high-performance upgrade for 2011–2016 GM trucks with Duramax LML engines. Built for durability and improved cooling, it features stronger castings, precision machining, and enhanced coolant flow. Designed as a factory-fit replacement, it comes fully assembled and ready to install, making it ideal for both daily drivers and high-performance builds.

Description

The Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10004-D) is a premium upgrade designed for 2011-2016 GM trucks equipped with the Duramax LML engine. Engineered for superior performance and reliability, this cylinder head is built to handle the demands of both daily driving and high-performance applications. It features improved casting strength, precision-machined surfaces, and enhanced coolant flow to ensure optimal engine cooling and long-term durability. Whether you’re rebuilding your Duramax for greater efficiency or aiming for higher horsepower goals, the Fleece Freedom Series Cylinder Head offers a factory-fit replacement with performance-driven enhancements. Each head comes assembled and ready for installation, making it a trusted choice for diesel enthusiasts and professional mechanics alike.

Additional information

Weight 45 lbs
Dimensions 23 × 15 × 12 in
Brand

Fitment

  • 2011 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2012 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2013 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2014 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax

Features

  • New casting
  • New valve guides, new springs, and new valve seals
  • Pressure and leak tested
  • Precision ground stock valves with a 45 degree angle
  • Multi-angle valve job

Installation

  • We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)

Warning

Proposition 65

This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

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