Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - MMTC-RAM-03TQ fits_2004-2009`Mercedes-Benz`E-Class slash-cut 304 stainless steel round

slash-cut 304 stainless steel round tips

Dyno-Proven Gains up to +3 HP & +5 Lbs

100% hand TIG-welded

Alpina XB7

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - MMTC-RAM-03TQ fits_2004-2009`Mercedes-Benz`E-Class slash-cut 304 stainless steel roundThe factory transmission oil cooler on your 2003 2007 Dodge Ram 5. 9L Cummins is a liquid to liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. This design is tried and true, and it works. Until it doesn't. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid