A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 6.4L cooling system with the Mishimoto Ford 6.4L Powerstroke High-Temperature Thermostats! These thermostats are designed as a direct-fit replacement for your aged factory units. The Mishimoto thermostats have a higher activation temperature (198 F/208 F) compared to the factory thermostats (192 F/203 F). The higher activation temperatures restrict coolant flow longer to allow a quicker engine warm-up, making these thermostats ideal for use in cold climates. Pair this thermostat set with the Mishimoto 6.4L Powerstroke Aluminum Performance Radiator for a complete cooling system overhaul. As with all our products, these thermostats include the Mishimoto Lifetime Warranty, ensuring superior product quality and craftsmanship.. Higher activation temperature restricts coolant flow for a longer time, resulting in quicker engine warm-up. Ford 6.4L Powerstroke High-Temperature Thermostats (set of 2), 2008-2010. Mishimoto Ford 6.4L Powerstroke High-Temperature Thermostat (Set of 2). High-Temperature Thermostat, fits Ford 6.4L Powerstroke 2008-2010. Includes both thermostats and replacement gasket. Ideal for use in cold climates. Engine Coolant Thermostat. Mishimoto MMTS-F2D-08H. Coolant Thermostat

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