Mishimoto is a leading manufacturer of high-performance cooling solutions, specializing in radiators, intercoolers, oil coolers, and silicone hose kits designed for maximum efficiency and durability. Headquartered in the USA, with manufacturing facilities worldwide, Mishimoto combines cutting-edge engineering with rigorous testing to deliver top-tier cooling products for street, off-road, and track applications. Built to withstand extreme conditions, Mishimoto's products help maintain optimal engine temperatures, ensuring peak performance and longevity. Trusted by automotive enthusiasts, racers, and professional teams, Mishimoto continues to set the standard for innovation, reliability, and performance-driven cooling solutions.
The 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 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:
Fitment Years: 2003, 2004, 2005, 2006, 2007.
The 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 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 |
Fitment Years: 2003, 2004, 2005, 2006, 2007.
- Category:
- Cooling>Transmission Coolers
- Core:
- N
- Core Price:
- 0
- LTL:
- N
- MPN:
- MMTC-RAM-03TQ
- Proposition 65:
- N
- Clearance Item:
- N
