Fleece Transmission Cooler Line Set (FPE-TL-LML-1516) for 2015-2016 Duramax LML

$346.49Purchase & earn 346 points!

The Fleece Performance (FPE-TL-LML-1516) Transmission Cooler Line Set is a durable, high-performance upgrade for 2015-2016 GM Duramax LML trucks. Made with heavy-duty braided stainless steel and AN-style fittings, it replaces the leak-prone factory lines, ensuring secure connections, better fluid flow, and improved transmission cooling. This direct-fit kit installs easily without major modifications and is suitable for both stock and modified trucks, offering reliable, long-lasting transmission protection.

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Total: $346.49
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SKU: FPE-TL-LML-1516 Categories: , , ,
Description

The Fleece Performance (FPE-TL-LML-1516) Transmission Cooler Line Set is a high-quality upgrade designed specifically for 2015-2016 GM Duramax LML trucks. Engineered to replace the factory transmission cooler lines, which are prone to leaking and failure over time, this set offers superior durability and performance. Constructed with heavy-duty braided stainless steel and featuring AN-style fittings, these lines provide a secure, leak-free connection and improved fluid flow to help keep transmission temperatures in check. This kit is a direct-fit replacement, making installation straightforward without the need for extensive modifications. Ideal for stock or modified trucks, the Fleece Transmission Cooler Line Set ensures reliable performance and long-lasting protection for your transmission system.

Additional information
Weight 6 lbs
Dimensions 14 × 14 × 5 in
Fitment

Fitment

  • 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
Features

Features

  • Increased diameter over stock – 5/8″ hose
  • Explosion proof polyester hose protection sleeve
Includes

Includes

  • (3) 5/8″ ID transmission lines with AN fittings
  • (6) 7/8″-14 O-ring to -10AN fittings
  • (2) Large OD washers
  • Double hose clamps, locking cable ties, and fir tree cable clamps
Warning

Warning

  • Not for use on Cab and Chassis applications
About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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