Mishimoto
Mishimoto MMTC-RAM-03SL Trans Cooler, Ram 2500-5500 Cummins 2003-09, Silver
Mishimoto MMTC-RAM-03SL Trans Cooler, Ram 2500-5500 Cummins 2003-09, Silver
SKU:M1NMTCRAM03SL
In stock
Couldn't load pickup availability
- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
The Mishimoto MMTC-RAM-03SL is a trans cooler, ram 2500-5500 cummins 2003-09 for 2003–2009 Dodge, 2003–2009 Ram 2500, Ram 3500. It is a new, genuine Mishimoto part with the manufacturer warranty, shipped from the closest US warehouse.
Fits: 2003–2009 Dodge · 2003–2009 Ram 2500 · Ram 3500
Key features
- DIRECT-FIT UPGRADE FOR 2003–2009 DODGE RAM CUMMINS – Engineered as a bolt-in replacement for Dodge Ram 2500, 3500, 4500, and 5500 trucks equipped with 5.9L or 6.7L Cummins diesel engines and 47RE, 48RE, or 68RFE transmissions
- MASSIVE COOLING PERFORMANCE GAINS – Stacked-plate core delivers a 212% increase in core volume and a 244% increase in fluid capacity over the stock transmission cooler, dramatically reducing heat buildup under hard towing
- FULLY SERVICEABLE THERMOSTAT WITH BYPASS – Unlike the OEM cooler where a failed thermostat locks closed and routes hot fluid back to the transmission
- ELIMINATES PROBLEMATIC QUICK-DISCONNECT FITTINGS – CNC-machined stainless-steel hose barb fittings replace corrosion-prone OEM quick-disconnect fittings that are notorious for seizing on high-mileage trucks
- PATENTED DESIGN BUILT FOR WORKING TRUCKS – Features a robust 48-row stacked-plate core with a 26" x 10.94" x 0.87" footprint
Specifications
| Brand | Mishimoto |
|---|---|
| Manufacturer part number | MMTC-RAM-03SL |
| Part type | Heat Sink |
| UPC / GTIN | 811580033513 |
| Vehicle fitment | 2003–2009 Dodge · 2003–2009 Ram 2500 · Ram 3500 |
| Weight | 5.00 lb |
| Dimensions (L × W × H) | 26 × 0.9 × 10.9 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
| Warranty | Manufacturer warranty |
| Also searched as | MMTC RAM 03SL, MMTCRAM03SL |
Questions
Will this fit my vehicle?
It is listed for 2003–2009 Dodge, 2003–2009 Ram 2500, Ram 3500. Trim, engine and options can change the part a vehicle needs — send us your VIN and we will confirm before you order.
How fast does it ship?
Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.
Is this a genuine Mishimoto part?
Yes — new and genuine Mishimoto, with the manufacturer warranty.
Can I return it?
Yes. Unused items can be returned within 30 days — see our refund policy for the details.
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
