This Mishimoto high - temperature thermostat is a great fit for 1994 - 1998 Dodge Ram trucks with a 5.9L Cummins engine. It's ideal for colder climates or trucks that struggle to reach operating temperatures. The thermostat activates at a higher temperature (189.5°F compared to the factory's 180°F), which means the coolant stays in the engine longer. This delays the flow to the radiator, allowing the engine to warm up faster. Each set includes a thermostat and a high - quality replacement gasket.

Using this thermostat is easy. First, make sure your truck's engine is completely cool. Then, locate the old thermostat and carefully remove it. Install the new Mishimoto thermostat in its place and put the high - quality replacement gasket on as well. Make sure everything is tightly sealed. When using your truck in cold climates, this thermostat will help your engine warm up quickly. Remember to regularly check the coolant level to ensure the thermostat works properly. If you notice any leaks or the engine not warming up as it should, it's a good idea to have it checked by a professional. Keep your truck in good condition by following these simple steps.