Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler Shirt 1991 GMC V3500 SLE

1991 GMC V3500 SLE

*Does not fit California delivered vehicles*

the XD313 Valve Spring Kit can be used on a wide range of applications

1989 Chevrolet V2500 Suburban Silverado

2015 Subaru XV Crosstrek Premium

Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler Shirt 1991 GMC V3500 SLEThe 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