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Mishimoto High-Temperature Thermostat Dodge 5.9L/6.7L Cummins

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Product Description

OEM Activation Temp C 87.5°C

OEM Activation Temp F 190°F

Purchase Includes
(1) Mishimoto Thermostat 
(1) O-ring 

1999-2007 Dodge Ram 2500 w/ 5.9L Cummins Engine 
1999-2007 Dodge Ram 3500 w/ 5.9L Cummins Engine 
2007.5-2013 Dodge Ram 2500 w/ 6.7L Cummins Engine 
2007.5-2013 Dodge Ram 3500 w/ 6.7L Cummins Engine

Mishimoto Activation Temp (Fahrenheit) 205°F

Mishimoto Activation Temp (Celsius) 96°C

A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 5.9L/6.7L cooling system with a Mishimoto Dodge 5.9L/6.7L Cummins High-Temperature Thermostat! This Cummins performance thermostat is designed as a direct-fit replacement for your aged factory unit. The Mishimoto thermostat has a higher activation temperature (205°F) compared to the factory thermostat (190°F for 99–10 and 2013 trucks & 200°F for 10-12 trucks). The higher activation temperature restricts coolant flow longer to allow a quicker engine warm-up, making this Cummins performance thermostat ideal for use in cold climates. 


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