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SKU: MMOC-RAM-03 | UPC: 840197723111
Mishimoto Replacement Oil Cooler fits Dodge Ram 5.9L Cummins 2003-2007
Keep your 2003-2007 Dodge Ram 2500/3500 5.9L Cummins engine protected with the Mishimoto replacement oil cooler. This direct-fit unit replaces clogged or leaking stock coolers to maintain optimal oil temperatures and viscosity. Engineered as a stock-style upgrade with stacked plate design, it delivers reliable cooling for daily driving and heavy loads.
Key Features
- Direct Fit: Perfect bolt-on for 2003-2007 Dodge Ram 2500/3500 5.9L Cummins, chassis codes DR DH D1 DC DM, no modifications needed
- Stacked Plate Core: 14 rows, 6.98in length, 1.48in height, 2.96in thickness for effective heat transfer to coolant
- Overall Dimensions: 11.41in length, 5.55in width, 1.86in height with 0.67in inlet/outlet fittings
- Complete Kit: Includes all gaskets and seals for leak-free installation on your specific model
- Mishimoto Lifetime Warranty: Covers defects for lifetime worry-free performance
Product Notes
- Restores factory oil cooling to combat thinning and component wear in diesel engines
- Meets OEM standards for reliable daily driving and towing
- Affordable direct replacement for renewed engine protection
Installation Notes
- Professional installation recommended.
- Bolt-on design completes in 1-2 hours using factory mounting points
- Compatible with OEM hardware, all gaskets provided for seamless fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Dodge | Ram 2500 | 5.9L Cummins (Laramie, SLT, ST, Sport, TRX4) |
| 2003-2007 | Dodge | Ram 3500 | 5.9L Cummins (Laramie, SLT, ST, TRX4) |
Why Choose Mishimoto?
- Specialized engineering for Cummins diesel cooling systems
- Direct-fit precision tested on 5.9L applications
- Lifetime warranty backs every component
Frequently Asked Questions
-
Q: Will this fit my 2005 Dodge Ram 2500 5.9L Cummins?
A: Yes, direct fit for all 2003-2007 Ram 2500/3500 models with 5.9L Cummins diesel engine, including Laramie SLT ST Sport TRX4 trims -
Q: What core type and size is used?
A: Stacked plate construction with 14 rows, core measures 6.98in long x 1.48in high x 2.96in thick, overall unit 11.41 x 5.55 x 1.86in -
Q: What warranty coverage applies?
A: Mishimoto Lifetime Warranty covers material and workmanship defects for the original purchaser, ensuring long-term reliability
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 13in x 8in x 5in to protect stacked plate core
- Weight: 7.05 lbs
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