Mishimoto - MMTS-RAM-89L
Low-Temperature Thermostat, fits Dodge 5.9L First-Gen Cummins 1989-1993
The 12-valve first-gen Cummins in your Ram is considered one of the best diesel engines ever produced, and for good reason. Fuel efficiency, torque, and simplicity are just a few characteristics that give the Cummins its stellar reputation. We're huge fans of the Cummins engine, which is why we’ve developed a low-temperature thermostat for the 1989-1993 5.9L 12v Cummins. This Mishimoto thermostat activates at a lower temperature (174.2°F) compared to the factory thermostat (180°F). By lowering the activation temperature, coolant flows through the radiator earlier, maintaining lower fluid temperatures. The Mishimoto low-temperature thermostat is ideal for vehicles in warmer climates, or for use in vehicles experiencing extreme driving/towing conditions. This thermostat includes a high-quality replacement gasket and our signature Mishimoto Lifetime Warranty.
SellingPoint02: Lower activation temperature allows coolant to flow through the system earlier, maintaining lower coolant temperatures
SellingPoint03: Ideal for vehicles in warm climates or under extreme driving/towing conditions
SellingPoint04: Includes thermostat and high-quality replacement gasket
SellingPoint05: Mishimoto Lifetime Warranty
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Install Difficulty: 2
TechSpec Applications: Dodge D250 I6 (5.9L) 1989-1993--Dodge D350 I6 (5.9L) 1989-1993--Dodge W250 I6 (5.9L) 1989-1993--Dodge W350 I6 (5.9L) 1989-1993
TechSpec Engine Codes: 6BT
TechSpec Chassis Codes: D/W Series
TechSpec Includes: (1) Mishimoto Thermostat--(1) Thermostat Gasket--Mishimoto Lifetime Warranty
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TechSpec Mishimoto Activation Temperature (F): 174.2
TechSpec OEM Activation Temperature (F): 180
SellingPoint01: Direct fit for 1989-1993 Dodge Ram with 5.9L Cummins
