Mishimoto 189° Thermostat – 1996–2003 7.3L Powerstroke

Upgrade your cooling system with the Mishimoto 189° thermostat, a direct replacement for the factory unit in 1996–2003 7.3L Powerstroke engines. This thermostat opens at a lower temperature (189°F vs. the factory 195°F), allowing coolant to circulate sooner—helping to reduce and maintain lower engine temperatures.

Perfect for trucks used in hot climates or under heavy load, this thermostat helps protect your engine from overheating and supports better temperature control during towing or extended driving.

Key Features:

• 189° activation temperature

• Direct-fit replacement for factory thermostat

• Helps prevent overheating

• Ideal for towing or high-heat environments

• Designed for 1996–2003 7.3L Ford Powerstroke diesel engines

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