FLEECE FPE-CLNTBYPS-HS-CRVP-BLK 34.5 INCH COMMON RAIL/VP44 CUMMINS COOLANT BYPASS HOSE BLACK NYLON BRAIDED

The FLEECE FPE-CLNTBYPS-HS-CRVP-BLK 34.5 INCH COMMON RAIL/VP44 CUMMINS COOLANT BYPASS HOSE is the direct replacement black nylon braided hose for Fleece Performance Coolant Bypass kits on 5.9L and 6.7L Cummins engines. Built with high-strength nylon braiding over a durable hose core, it is designed to handle the elevated temperatures and pressures of hard-working Dodge Ram 2500/3500 trucks while keeping the rear cylinders supplied with consistent coolant flow for maximum reliability.

Whether you tow heavy, daily drive, or sled pull, this 34.5" hose gives your Cummins engine a clean, professional look and a leak-free connection between your Fleece Coolant Bypass housing and the thermostat housing. It’s engineered as a direct replacement hose for Fleece’s most popular Cummins coolant bypass kits, so you get OE-style fitment with race-proven performance.

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Key Features

• Direct replacement hose for Fleece Performance Cummins Coolant Bypass kits (Common Rail / VP44 applications).
• 34.5" length for 1998.5–2018 5.9L/6.7L Common Rail & VP44 Cummins applications.
• Durable black nylon braided outer layer for abrasion resistance and a custom under-hood appearance.
• Engineered to handle high coolant pressures and elevated temperatures in performance and towing applications.
• Designed specifically to support coolant flow to the rear cylinders when used with Fleece Coolant Bypass systems.
• Made in the USA and backed by Fleece Performance Engineering quality.

Fitment

Vehicle Applications (when used with the appropriate Fleece Coolant Bypass Kit):

• 1998.5–2002 Dodge Ram 2500/3500 5.9L 24V Cummins (VP44)
• 2003–2007 Dodge Ram 2500/3500 5.9L Common Rail Cummins
• 2007.5–2018 Dodge Ram 2500/3500 6.7L Common Rail Cummins

This hose is a replacement component and is intended for use with Fleece Performance Coolant Bypass kits only. It does not include brackets, housings, thermostat, or fittings.

For Use With These Fleece Coolant Bypass Kits

• FLEECE FPE-CLNTBYPS-CUMMINS-VP VP COOLANT BYPASS KIT 1998.5–2002
• FLEECE FPE-CLNTBYPS-CUMMINS-VP-SS VP COOLANT BYPASS KIT 1998.5–2002 W/ STAINLESS LINE
• FLEECE FPE-CLNTBYPS-CUMMINS-0712 COOLANT BYPASS KIT 2007.5–2012 6.7L CUMMINS
• FLEECE FPE-CLNTBYPS-CUMMINS-1318 COOLANT BYPASS KIT 2013–2018 6.7L CUMMINS
• FLEECE FPE-CLNTBYPS-CUMMINS-19 COOLANT BYPASS KIT 2019+ 6.7L CUMMINS

Cross-Reference & Related Fleece Parts

• FLEECE FPE-CLNTBYPS-HS-CRVP-SS 34.5 INCH COMMON RAIL/VP44 CUMMINS COOLANT BYPASS HOSE STAINLESS STEEL BRAIDED – same application with stainless braided line.
• FLEECE FPE-CLNTBYPS-HS-0718 REPLACEMENT COOLANT BYPASS HOSE 2007.5–2018 W/ CAST ELBOW – hose option for cast-elbow coolant bypass kits.
• FLEECE FPE-CLNT-HS-BRKT 2003–2007 CUMMINS COOLANT BYPASS BRACKETS – mounting brackets for Fleece coolant bypass hoses.

Specifications for FLEECE FPE-CLNTBYPS-HS-CRVP-BLK

Frequently Asked Questions

No. This is a replacement hose only for existing Fleece Performance Coolant Bypass kits. It does not include brackets, thermostat housings, fittings, or hardware.

This 34.5" hose is designed for 1998.5–2018 Dodge Ram 2500/3500 trucks equipped with 5.9L 24V or 6.7L Cummins engines that are already running a compatible Fleece Coolant Bypass kit.

No. It is engineered as a direct replacement for Fleece coolant bypass systems and should be used with the correct Fleece kit for your model year and engine configuration.

The FPE-CLNTBYPS-HS-CRVP-BLK uses a black nylon braided outer layer, while the FPE-CLNTBYPS-HS-CRVP-SS version uses a stainless steel braided outer layer. Both are 34.5" and fit the same Common Rail/VP44 Cummins applications.

Yes. It works alongside related Fleece parts such as the coolant bypass brackets and replacement hoses for later 6.7L cast-elbow kits, as long as the underlying bypass kit part numbers match the cross-references listed above.