Fleece 39.50″ Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-12V-SS) for 1994-1998 Cummins 5.9L

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The Fleece 39.50″ Coolant Bypass Hose (FPE-CLNTBYPS-HS-12V-SS) is a high-performance upgrade for 1994–1998 Cummins 5.9L 12V diesel engines. Designed to improve coolant flow and reduce stress on rear cylinders, it enhances engine temperature control under heavy loads. Featuring a durable stainless steel braided exterior, it offers superior pressure tolerance and abrasion resistance. Ideal for towing, racing, or performance builds, this hose boosts cooling efficiency and engine longevity.

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SKU: FPE-CLNTBYPS-HS-12V-SS Categories: , , ,
Description

The Fleece 39.50″ Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-12V-SS) is a high-performance aftermarket solution designed specifically for the 1994–1998 Cummins 5.9L 12V diesel engines. Engineered to improve coolant flow and reduce stress on the rear cylinders, this hose helps maintain optimal engine temperature and performance under heavy load conditions. Its stainless steel braided exterior provides increased durability, abrasion resistance, and enhanced pressure tolerance, ensuring long-lasting reliability even in demanding applications. Ideal for towing, racing, or high-performance builds, this coolant bypass hose is a smart upgrade for Cummins owners looking to enhance cooling efficiency and engine longevity.

Additional information
Weight 1.0 lbs
Dimensions 9.0 × 9.0 × 3.0 in
Fitment

Fitment

  • 1994 Dodge Ram 2500/3500 5.9L 12V Cummins
  • 1995 Dodge Ram 2500/3500 5.9L 12V Cummins
  • 1996 Dodge Ram 2500/3500 5.9L 12V Cummins
  • 1997 Dodge Ram 2500/3500 5.9L 12V Cummins
  • 1998 Dodge Ram 2500/3500 5.9L 12V Cummins
Features

Features

For use with the following kit:

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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