Mishimoto Transmission Cooler for 2003-2007 Dodge Ram 5.9L Cummins Liquid-to-...

Mishimoto Transmission Cooler for 2003–2007 Dodge Ram 5.9L Cummins Protect your transmission with a direct-fit, OEM-spec replacement cooler engineered for the 2003–2007 Dodge Ram 5.9L Cummins. The factory liquid-to-liquid cooler uses engine coolant to regulate transmission fluid temperature — effective until wear causes leaks and coolant contamination. Why replace it? A failing cooler can allow coolant into the transmission fluid, leading to costly damage and potential transmission failure. Installing a Mishimoto transmission oil cooler preventatively safeguards your drivetrain and preserves transmission life. Direct OEM fit: No modifications required for installation. Built to OEM specifications: Equivalent quality and form, designed for long-term reliability. Prevents coolant contamination: Reduces risk of catastrophic transmission damage. Mishimoto Lifetime Warranty: Backed by our signature warranty for confidence and peace of mind. Choose the Mishimoto Transmission Cooler for a reliable, straightforward replacement that maintains proper transmission temperatures and protects your 5.9L Cummins Ram from expensive repairs.