Fleece Transmission Heat Exchanger Bypass Plug Kit (FPE-34382) for 2003-2007 Cummins 5.9L

$15.42

The Fleece Transmission Heat Exchanger Bypass Plug Kit (FPE-34382) is an aftermarket upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. It replaces the factory transmission heat exchanger, which can fail and cause fluid contamination or temperature issues. This kit improves transmission performance and reliability, especially in cold climates or high-performance use. Made from durable materials and designed for a direct fit, it offers easy installation and long-lasting performance.

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Description

The Fleece Transmission Heat Exchanger Bypass Plug Kit (FPE-34382) is a high-quality aftermarket solution designed specifically for 2003-2007 Dodge Ram trucks equipped with the Cummins 5.9L engine. This bypass plug kit eliminates the factory transmission heat exchanger, which is known to be a potential failure point and can cause transmission fluid contamination or temperature regulation issues. By removing the heat exchanger from the system, the FPE-34382 helps improve transmission performance and reliability, particularly in colder climates or high-performance applications. Constructed with durable materials and engineered for a direct fit, this kit ensures easy installation and long-term durability, making it an ideal upgrade for Cummins owners looking to enhance their transmission’s efficiency and longevity.

Additional information
Weight 1.0 lbs
Dimensions 6.0 × 5.0 × 2.0 in
Fitment

Fitment

  • 2003 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004.5 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2005 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2006 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2007 Dodge Ram 2500/3500 5.9L 24V Cummins
Includes

Includes

2 caps for the heat exchanger lines and M16 O-ring plug for the engine block.  

 

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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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