Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler 12K Series but not necessary

but not necessary

Clearing the jam in the nozzle will often require it to be re-drilled or replaced altogether

you are sure to find a universal AIRAID Premium Filter for your needs

7L by ditching the stamped and stacked plate stock design

please see KIT118

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler 12K Series but not necessaryThe factory transmission oil cooler on your 2003 2007 Dodge Ram 5. 9L Cummins is a liquid to liquid cooling unit, utilizing the engines 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 doesnt. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid