Mishimoto low-temperature thermostat for the 1999-2013 Dodge / Ram 2500 / 3500 5.9L and 6.7L Cummins diesel. It activates at a lower temperature to let coolant flow through the engine earlier and maintain cooler temperatures — ideal for warm climates or heavy towing. Direct-fit replacement, backed by the Mishimoto Lifetime Warranty.
Specifications
| Type | Low-temperature thermostat |
| Activation Temp | Lower than stock (cooler running) |
| Engine | 5.9L / 6.7L Cummins diesel |
| Warranty | Lifetime |
| Application | 1999-2013 Dodge / Ram 2500 / 3500 Cummins (see fitment) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2010 | Dodge | Ram 2500 | Base / ST / SLT / Laramie / Power Wagon / Sport |
| 1999-2010 | Dodge | Ram 3500 | Base / ST / SLT / Laramie / Sport |
| 2011-2013 | Ram | 2500 | ST / SLT / Big Horn / Laramie / Power Wagon / Tradesman |
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