The Mishimoto MMTS-RAM-89H High Temperature Thermostat is a direct-fit replacement for the malfunctioning thermostat in your 1989-1993 Dodge 5.9L Diesel. The Mishimoto thermostat has a higher opening temperature in comparison to the stock thermostat. The higher opening temperature reduces coolant flow longer to allow for faster engine warmup, making this thermostat ideal for use in cooler climates. This thermostat comes with the Mishimoto Lifetime Warranty to ensue this product will last the life of the truck.
Features:
- Drop-In Replacement
- Faster Warm Up Times
- Ideal For Colder 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.