
Mishimoto High-Temperature Thermostat for 7.3L Powerstroke (1996-2003)
Optimize your 7.3L Powerstroke’s performance in colder climates with the Mishimoto High-Temperature Thermostat, designed to deliver faster engine warm-ups and reliable performance. This thermostat features a higher activation temperature (205°F) compared to the factory unit (195°F), restricting coolant flow longer to allow quicker warm-ups, ideal for cold weather conditions.
As a direct-fit replacement for your stock thermostat, the Mishimoto high-temperature thermostat helps maintain optimal engine performance in cooler environments. Whether your Ford is stock or modified, this thermostat is engineered to provide dependable performance and is backed by the Mishimoto Lifetime Warranty, ensuring superior quality and durability.
Key Features:
- Direct fit for 1996–2003 Ford 7.3L Powerstroke engines
- Activates at 205°F, providing quicker engine warm-up in colder climates
- Improves cold-weather performance by restricting coolant flow for longer periods
- Ideal for colder climates, enhancing engine efficiency and preventing sluggish starts
- Mishimoto Lifetime Warranty guarantees long-lasting quality and peace of mind
Included:
- (1) Mishimoto High-Temperature Thermostat with Gasket
Upgrade your cooling system with the Mishimoto High-Temperature Thermostat and enjoy quicker warm-ups and enhanced engine reliability during cold weather, backed by Mishimoto’s trusted craftsmanship.

Mishimoto High-Temperature Thermostat for 7.3L Powerstroke (1996-2003)
Optimize your 7.3L Powerstroke’s performance in colder climates with the Mishimoto High-Temperature Thermostat, designed to deliver faster engine warm-ups and reliable performance. This thermostat features a higher activation temperature (205°F) compared to the factory unit (195°F), restricting coolant flow longer to allow quicker warm-ups, ideal for cold weather conditions.
As a direct-fit replacement for your stock thermostat, the Mishimoto high-temperature thermostat helps maintain optimal engine performance in cooler environments. Whether your Ford is stock or modified, this thermostat is engineered to provide dependable performance and is backed by the Mishimoto Lifetime Warranty, ensuring superior quality and durability.
Key Features:
Direct fit for 1996–2003 Ford 7.3L Powerstroke engines
Activates at 205°F, providing quicker engine warm-up in colder climates
Improves cold-weather performance by restricting coolant flow for longer periods
Ideal for colder climates, enhancing engine efficiency and preventing sluggish starts
Mishimoto Lifetime Warranty guarantees long-lasting q[...]
Mishimoto High-Temperature Thermostat for 7.3L Powerstroke (1996-2003)
Optimize your 7.3L Powerstroke’s performance in colder climates with the Mishimoto High-Temperature Thermostat, designed to deliver faster engine warm-ups and reliable performance. This thermostat features a higher activation temperature (205°F) compared to the factory unit (195°F), restricting coolant flow longer to allow quicker warm-ups, ideal for cold weather conditions.
As a direct-fit replacement for your stock thermostat, the Mishimoto high-temperature thermostat helps maintain optimal engine performance in cooler environments. Whether your Ford is stock or modified, this thermostat is engineered to provide dependable performance and is backed by the Mishimoto Lifetime Warranty, ensuring superior quality and durability.
Key Features:
- Direct fit for 1996–2003 Ford 7.3L Powerstroke engines
- Activates at 205°F, providing quicker engine warm-up in colder climates
- Improves cold-weather performance by restricting coolant flow for longer periods
- Ideal for colder climates, enhancing engine efficiency and preventing sluggish starts
- Mishimoto Lifetime Warranty guarantees long-lasting quality and peace of mind
Included:
- (1) Mishimoto High-Temperature Thermostat with Gasket
Upgrade your cooling system with the Mishimoto High-Temperature Thermostat and enjoy quicker warm-ups and enhanced engine reliability during cold weather, backed by Mishimoto’s trusted craftsmanship.