Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - MMTC-RAM-03TQ fits_2009-2018`CorollaAltis As purists ourselves

As purists ourselves

Toyota 86 GT or GR86

Fit all year F80 M3 | F82/ F83 M4

RAM Intake

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - MMTC-RAM-03TQ fits_2009-2018`CorollaAltis As purists ourselvesThe 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