Oil is the lifeblood of an engine, and in a hardworking diesel engine like the 2003-2007 Dodge RAM 5.9L Cummins, keeping that oil cool is essential to the engine's health. ---- A clogged or leaking oil cooler can reduce the oil's ability to transfer heat to the coolant, causing thinning and a loss of protection for critical engine components. Mishimoto proudly offers a stock-style replacement oil cooler with new seals. This replacement cooler will restore and improve your engine's oil cooling capabilities and protect it from unnecessary wear. ---- This cooler is a direct fit and provides all the cooling a daily driven 5.9L Cummins needs at an affordable price point. Like all Mishimoto products, this oil cooler is backed by our Mishimoto Lifetime Warranty for a lifetime of worry-free driving
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 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 |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment Guarantee
Fitment guides and tools are helpful, but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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