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Find Engine Cooling for your Ram 2500

Coolant Bypass Kit (03-07 5.9L RAM 2500 w/ Manual Transmission)Find parts that fit my vehicle

Item HR24326
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$514.99 kit

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Coolant Bypass Kit
      • Matte Black and Raw Metal Finish
      • Lowers Coolant Temperature at the Rear Cylinders
      • Ensured Consistent Temperatures in the Cylinders
      • Helps Prevent Damaging Coolant Pressure Built-Up
      • Includes a Braided Hose and AN O-Ring Fittings
      • Limited 1-Year Warranty
      • Direct Replacement
      • Comes in Kits
      • Fits 2003-2007 5.9L Dodge RAM 2500 with Manual Transmission Models

      Description

      Engine Cooling Enhancement. The Coolant Bypass Kit is engineered to manage and stabilize engine temperatures in your 2003-2007 5.9L Dodge RAM 2500 with manual transmission. Designed to lower coolant temperature at the rear cylinders, this kit helps prevent dangerous pressure build-up and ensures balanced thermal regulation across all cylinders. It’s a vital upgrade for diesel owners looking to preserve engine longevity under demanding operating conditions.

      Construction and Appearance. This kit features a matte black and raw metal finish, combining durability with a clean, functional look. The included black nylon braided hose and AN O-ring fittings are built for long-term reliability and high-pressure resistance. Every component is constructed to withstand extreme heat and vibration while maintaining precise fit and function.

      Installation. Offering a direct replacement layout, the Coolant Bypass Kit is adaptable for straightforward installation with common tools. It comes with all required hardware, including brackets, bolts, and seals, as well as a Scotch-Brite pad for surface prep. No drilling or custom fabrication is necessary, making it a practical upgrade for seasoned DIYers and technicians alike.

      Warranty. Backed by a limited 1-year warranty, this kit offers solid protection against manufacturing defects. The warranty reflects the product’s commitment to performance and reliability in high-temperature engine environments.

      Application. This Coolant Bypass Kit fits 2003-2007 5.9L Dodge RAM 2500 with Manual Transmission Models. By reducing thermal stress on the engine and maintaining consistent cylinder temperatures, it enhances performance stability and helps protect critical engine components over the long haul.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 2 Hours

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Coolant bypass hose (black nylon braided hose shown)
      • (2) Coolant bypass thermostat housing and O-ring
      • (1) Thermostat riser block and O-ring
      • (2) Coolant bypass hose riser bracket
      • (2) M8 x 1.25, 20mm socket head cap screw
      • (3) M6 x 1.00 x 60mm flange head bolt
      • (2) M12 x 1.75, 40mm flange head bolt
      • (1) Scotch-Brite TM pad (not pictured)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Ram 2500

      • 5.9L I6 - 03, 04, 05, 06, 07

        Backed by a Lifetime Warranty.

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