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  • Mishimoto Replacement Transmission Cooler fits 2003-2007 Dodge Ram 1500 / Ram 2500 / Ram 3500 5.9L Cummins
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Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - Main Product View
Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - Side View
Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - Back View
Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - Installation View
Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler - Additional View 6
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Mishimoto Replacement Transmission Cooler fits 2003-2007 Dodge Ram 1500 / Ram 2500 / Ram 3500 5.9L Cummins

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Mishimoto
MMTC-RAM-03TQ
Many in stock
$176.00 USD $160.99 USD
$160.99 USD
Mishimoto Replacement Transmission Cooler fits 2003-2007 Dodge Ram 1500 / Ram 2500 / Ram 3500 5.9L Cummins
Description
The 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 can have catastrophic results, and nobody wants to spend thousands of dollars to rebuild or replace their transmission if it can be avoided. The Mishimoto Replacement Transmission Oil Cooler is a direct fit, OEM replacement that requires no modification to install. Made to OEM specifications, this transmission oil cooler is equivalent to an OEM part. By replacing your transmission cooler preventatively, you can save your transmission from falling victim to premature failure. As with all of our products, this cooler is backed by our signature Mishimoto Lifetime Warranty.

This Part Fits:

Year Make Model Submodel
2003 Dodge Ram 1500 Laramie
2003 Dodge Ram 1500 SLT
2003 Dodge Ram 1500 ST
2003,2005-2007 Dodge Ram 2500 Laramie
2003-2007 Dodge Ram 2500 SLT
2006-2007 Dodge Ram 2500 Sport
2003-2007 Dodge Ram 2500 ST
2006-2007 Dodge Ram 2500 TRX4
2003-2007 Dodge Ram 3500 Laramie
2003-2007 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2003-2007 Dodge Ram 3500 ST
2007 Dodge Ram 3500 TRX4
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