Details
Product Information
A direct-fit replacement radiator for 2003-2009 Dodge Ram 2500 and 3500 trucks with the 5.9L or 6.7L Cummins, replacing the plastic-tank factory radiator that cracks under heat and pressure. The two-row, 100% brazed aluminum core and TIG-welded aluminum end tanks hold 6.39 gallons for towing, hauling and compound turbo builds, with 2 in inlet and outlet ports. A Mishimoto 1.3 bar radiator cap that raises the coolant boiling point and a magnetic drain plug are included.
Specifications
| Type | Performance aluminum radiator |
| Rows | 2 |
| Core Thickness | 1.34 in |
| Inlet / Outlet | 2 in inlet, 2 in outlet |
| Construction | 100% brazed aluminum core, TIG-welded aluminum end tanks |
| Dimensions | Overall 30.5 in x 35.5 in x 5.63 in; core 27 in x 28.1 in |
| Fluid Capacity | 6.39 gal |
| Drain Plug Thread | M12 x 1.5, magnetic drain plug |
| What's in the Box |
|
| Fitment Notes | 5.9L and 6.7L Cummins diesel only; no cutting, fabricating or adapters |
| Install | Medium difficulty |
| Overall Length | 30.5 in |
| Overall Height | 35.5 in |
| Overall Width | 5.63 in |
| Core Length | 27 in |
| Core Height | 28.1 in |
| Inlet | 2 in |
| Outlet | 2 in |
| Coolant Capacity | 6.39 |
| Quantity | 1 |
| Warranty | Mishimoto Lifetime Limited Warranty |
| Part Number | MMRAD-RAM-03 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2009 | Dodge | Ram 2500 | Laramie |
| 2006-2009 | Dodge | Ram 2500 | Power Wagon |
| 2003-2009 | Dodge | Ram 2500 | SLT |
| 2003-2009 | Dodge | Ram 2500 | ST |
| 2008-2009 | Dodge | Ram 2500 | SXT |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 2003-2009 | Dodge | Ram 3500 | Laramie |
| 2003-2009 | Dodge | Ram 3500 | SLT |
| 2003-2009 | Dodge | Ram 3500 | ST |
| 2008-2009 | Dodge | Ram 3500 | SXT |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2007 | Dodge | Ram 3500 | TRX4 |
Documents: Installation Instructions (PDF)
Does it fit both the 5.9L and 6.7L Cummins?
- Yes. It fits 2003-2009 Ram 2500 and 3500 trucks with either engine.
Is a radiator cap included?
- Yes. A Mishimoto 1.3 bar radiator cap and a magnetic drain plug come with it.
Does it fit the 5.7L HEMI Ram?
- No. The HEMI trucks use MMRAD-RAM-04.
Is there a warranty?
- Yes, the Mishimoto Lifetime Limited Warranty.
Shipping
- In stock orders typically ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty






