Fleece Replacement EPDM coolant bypass hose (FPE-CLNTBYPS-HS-HC-0305) for 2003-2005 Cummins 5.9L

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The Fleece Replacement EPDM Coolant Bypass Hose (FPE-CLNTBYPS-HS-HC-0305) is a high-performance aftermarket hose designed for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines. Made from durable EPDM rubber, it resists heat, ozone, and chemicals, ensuring long-lasting performance. This hose replaces the factory coolant bypass hose to maintain proper coolant flow, prevent overheating, and enhance cooling efficiency—especially in high-performance or towing conditions. It’s engineered for a precise fit and reliable sealing.

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Description

The Fleece Replacement EPDM Coolant Bypass Hose (FPE-CLNTBYPS-HS-HC-0305) is a high-quality aftermarket solution specifically designed for 2003–2005 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Constructed from durable EPDM (ethylene propylene diene monomer) rubber, this hose offers superior resistance to heat, ozone, and coolant chemicals, ensuring long-lasting performance under demanding engine conditions. It serves as a direct replacement for the factory coolant bypass hose, helping to maintain proper coolant flow and prevent overheating, particularly in high-performance or towing applications. Engineered for a precise fit and reliable sealing, the Fleece EPDM hose is an essential upgrade or replacement for maintaining the cooling efficiency and longevity of your Cummins-powered truck.

Additional information
Weight 2.0 lbs
Dimensions 8.0 × 4.0 × 3.0 in
Fitment

Fitment

  • 2003 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2005 Dodge Ram 2500/3500 5.9L 24V Cummins
Installation

Installation

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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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