The Mishimoto MMTS-RAM-89L Low Temperature Thermostat is a high-quality replacement for the broken thermostat in your 1989-1993 Dodge 5.9L Diesel. This thermostat has a lower activation temperature than the stock thermostat which allows coolant to flow through the engine sooner, reducing and maintaining a lower engine temperature. Ideal for use in hotter climates or under extreme towing/driving conditions, this thermostat will last the life of your truck as it is covered by a Lifetime Warranty.
Features:
- Drop-In Replacement
- Ideal For Warmer Climates
- Mishimoto Lifetime Warranty
Disclaimer: XDP is in no way affiliated with Cummins or any of its subsidiaries or related companies, and that Cummins has not authorized the sale of any of XDP's parts, and has not tested or approved any of XDP’s parts for use in genuine Cummins brand products.