Fits select 2003-2025 Chrysler 300/Aspen, Dodge Challenger/Charger/Durango/Magnum/Ram, and Jeep Commander/Grand Cherokee (5.7L / 6.1L / 6.4L Hemi).

The Mishimoto Racing Thermostat is engineered to improve cooling efficiency by activating at a lower temperature than the factory unit. This earlier opening allows coolant to circulate through the radiator sooner, effectively lowering overall engine temperatures and reducing heat soak during high-performance driving, towing, or extreme weather conditions. As a direct replacement for the OE thermostat, it provides a precise fit and reliable operation within the factory cooling system.

• Lower activation temperature for earlier coolant flow
• Reduces engine temperatures and minimizes heat soak
• Compatible with 5.7L, 6.1L, and 6.4L Hemi engines
• Direct-fit replacement for factory thermostat
• Ideal for street, track, or high-load applications
• Manufacturer Part Number: MMTS-JED-06L

Fits 2009-2020 Nissan GT-R (Base, Premium, Black Edition, Nismo, Track Edition, Pure, and 50th Anniversary Edition).

Manage engine temperatures more effectively in your VR38DETT with the Mishimoto Racing Thermostat and Housing. Designed specifically for the high-thermal demands of the twin-turbocharged R35, this thermostat activates at 66°C (151°F), significantly lower than the factory equipment. By allowing coolant to circulate through the system earlier, it helps prevent heat soak and maintains lower operating temperatures during spirited driving or track sessions.

• Activation Temperature: 66°C (151°F) for earlier cooling system engagement
• Includes high-quality thermostat housing for a complete installation
• Direct-fit replacement for the OEM thermostat assembly
• Ideal for modified or high-performance Nissan GT-R models
• Manufacturer Part Number: MMTS-GTR-09

Fits select 1997-2015 Audi A4, TT and Volkswagen Beetle, Golf, Jetta, and Passat (1.8T).

The Mishimoto Racing Thermostat provides a significant advantage for enthusiasts looking to manage engine temperatures more effectively. Designed as a direct-fit replacement for the factory unit, this thermostat features a lower activation temperature than stock equipment. By opening at 180°F (82°C) instead of the standard 188.6°F (87°C), it allows coolant to circulate through the engine earlier, which is critical for maintaining optimal operating temperatures during spirited driving or high-load conditions.

• Activation Temperature: 180°F (82°C)
• Stock Activation Temperature: 188.6°F (87°C)
• High-quality construction for reliable thermal cycling
• Direct-fit installation into factory housing
• Manufacturer Part Number: MMTS-GTI-99
• Includes Mishimoto Lifetime Warranty

Fits select 1992-1997 Buick, Cadillac, Chevrolet, and Pontiac models equipped with the 5.7L LT1 or LT4 engine.

The Mishimoto Racing Thermostat is designed to provide superior cooling efficiency for high-performance GM engines. Unlike standard thermostats that wait for higher temperatures to open, this racing unit activates at a lower temperature to allow coolant to circulate through the radiator sooner. This earlier activation helps maintain lower overall engine temperatures, effectively reducing heat soak and protecting your engine during aggressive driving, track sessions, or high-load conditions.

• Lower activation temperature allows for improved heat management
• Direct-fit replacement for the factory thermostat
• Helps prevent engine overheating and power loss from heat soak
• Construction designed for reliable performance in LT1 and LT4 platforms
• Manufacturer Part Number: MMTS-GM-92L

Vehicle Fitment:

Fits select 2015-2017 Audi A3, A4, A5, A6, Q7, S3, TT and Volkswagen Golf, GTI, and Alltrack.

The Mishimoto MMTS-GLF-15 racing thermostat is engineered to lower engine operating temperatures, allowing your cooling system to maintain peak efficiency under heavy load. Whether you are driving in stop-and-go traffic or at the track, this thermostat begins opening earlier than the factory unit, which allows coolant to circulate through the radiator sooner to mitigate heat soak.

This thermostat comes pre-installed in an OEM-quality housing, ensuring a straightforward installation into the factory mounting position. Like all Mishimoto thermostats, this unit is built to high tolerances and is backed by the Mishimoto Lifetime Warranty.

• Opening Temperature: 73°C (163.4°F)
• Begins opening 25.2°F (14°C) earlier than the stock 210.2°F (99°C) thermostat
• Includes complete OEM-quality thermostat housing
• Manufacturer Part Number: MMTS-GLF-15
• Mishimoto Lifetime Warranty

Fits select 2006-2013 Hyundai Genesis Coupe and Sonata (2.0T / 3.8L).

The Mishimoto 62 Degree Racing Thermostat is engineered to improve cooling efficiency by allowing coolant to flow through the engine earlier than the factory unit. By opening at a lower temperature, this thermostat helps maintain lower engine operating temperatures, which is critical for vehicles with modified or upgraded turbo applications that generate significant heat.

This racing thermostat is a direct-fit replacement, designed to prevent overheating and reduce heat soak during spirited driving or high-load conditions. It ensures your cooling system is proactive rather than reactive, protecting your engine's internal components from thermal stress.

• Opening Temperature: 62 Degrees
• Significantly lowers engine temperatures in high-performance applications
• Promotes greater cooling efficiency for turbo and modified engines
• Direct-fit installation into factory housing
• Manufacturer Part Number: MMTS-GEN-10

Fits select 2001-2020 Ford (Focus, Fusion, Escape, Ranger, Transit Connect), Mazda (3, 5, 6, CX-7, MX-5 Miata, B2300), Lincoln MKZ, and Mercury models.

The Mishimoto racing thermostat is engineered to maintain lower engine temperatures during high-performance driving and heavy-load conditions. By opening at 68°C (154.4°F), this unit allows coolant to circulate through the radiator significantly earlier than the factory thermostat, which remains closed for an additional 14°C (25.2°F). This proactive cooling approach helps prevent heat soak and ensures your engine operates within its optimal temperature range, whether on the street or at the track.

This kit includes an OEM-quality thermostat housing, ensuring a direct-fit installation that matches factory mounting points while providing superior thermal management. It is a critical upgrade for vehicles equipped with high-performance aluminum radiators or those used in competitive environments. Like all Mishimoto thermostats, this Ford/Mazda unit is backed by the Mishimoto Lifetime Warranty.

• Opening Temperature: 68°C (154.4°F)
• Opens 14°C (25.2°F) earlier than stock for improved cooling efficiency
• Includes high-quality thermostat housing for a complete replacement
• Direct fit for specified Duratec and MZR engine platforms
• Manufacturer Part Number: MMTS-FOC-05

Fits 2014-2016 Ford Fiesta ST.

Maintain optimal thermal efficiency during high-performance driving with the Mishimoto low-temperature racing thermostat. Specifically engineered for the EcoBoost-equipped Fiesta ST, this thermostat opens significantly earlier than the factory component, allowing coolant to circulate through the engine and radiator sooner to mitigate heat soak.

The Mishimoto thermostat activates at 160°F (71°C) compared to the standard 207°F (97°C) OEM activation point. This earlier opening is essential for track-driven vehicles and "hot lapping" scenarios where managing engine temperatures is critical to preserving power and preventing overheating. For the ultimate cooling upgrade, pair this thermostat with a Mishimoto performance aluminum radiator.

• Manufacturer Part Number: MMTS-FIST-14
• Activation Temperature: 160°F (71°C)
• OEM Activation Temperature: 207°F (97°C)
• Compatibility: 2014-2016 Ford Fiesta ST
• Warranty: Mishimoto Lifetime Warranty

Fits select 2002-2025 BMW models, including M2, M3, M4, M5, M6, M8, X3, X4, X5, X6, X7, XM, Alpina variants, and 5, 6, 7 Series. The Mishimoto MMTS-F80-15 Racing Thermostat is engineered to optimize cooling efficiency for high-performance engines. By initiating coolant flow at 100°C (212°F)—which is 5°C (9°F) earlier than the factory equipment—this thermostat allows your radiator to begin shedding heat sooner, helping to maintain lower overall operating temperatures during track use or aggressive street driving.

This component includes a high-quality cast aluminum thermostat housing to ensure a secure, leak-free installation and long-term durability. Whether you are maintaining a daily-driven M-series or building a dedicated track car, this thermostat provides the thermal management necessary for peak performance. Like all Mishimoto thermostats, it is backed by a lifetime warranty.

• Opening Temperature: 100°C (212°F)
• Begins opening 5°C (9°F) earlier than stock for improved thermal management
• Includes precision-cast aluminum thermostat housing
• OEM-quality fitment and reliable sealing
• Manufacturer Part Number: MMTS-F80-15
• Mishimoto Lifetime Warranty

Fits select 1996-2003 Ford F-250, F-350, E-350, and Excursion models (7.3L Powerstroke).

The Mishimoto Low-Temperature Thermostat is engineered to improve cooling efficiency by activating at a lower temperature than the factory unit. By allowing coolant to flow through the engine earlier, this thermostat helps maintain lower overall operating temperatures, making it an essential upgrade for vehicles operating in warmer climates or those frequently used for heavy towing and hauling.

This thermostat is a direct-fit replacement for the stock unit, ensuring a straightforward installation into the factory housing without modifications. It provides a reliable solution for owners looking to safeguard their 7.3L diesel against heat soak and potential overheating during demanding driving conditions.

• Activates at a lower temperature for earlier coolant circulation
• Helps maintain cooler engine temperatures under load
• Ideal for towing applications and hot climates
• Direct-fit replacement for the original equipment (OE) thermostat
• Manufacturer Part Number: MMTS-F2D-96L

Fits select 1996-2003 Ford F-250, F-350, E-350, and Excursion (7.3L).

The Mishimoto High-Temperature Thermostat is engineered to address slow warm-up times in diesel engines, particularly during cold-weather operation. By restricting coolant circulation for a longer duration than a standard unit, it allows the 7.3L Powerstroke to reach its optimal operating temperature more efficiently. This results in faster heater output and improved engine performance in cooler climates.

• Direct-fit replacement for Ford 7.3L Powerstroke engines
• High-temperature calibration promotes quicker engine warm-up
• Ideal for vehicles operated in cold or northern climates
• Precision-engineered for reliable opening and closing cycles
• Manufacturer Part Number: MMTS-F2D-96H
• Mishimoto Lifetime Warranty included

Fits select 2011-2026 Ford F-250 and F-350 Super Duty models (6.7L).

The Mishimoto Low-Temperature Primary Cooling System Thermostat is engineered to provide improved cooling efficiency for your 6.7L Powerstroke. By opening at a lower temperature than the factory unit, this thermostat allows coolant to flow through the engine and radiator earlier, helping to manage thermal loads before they become excessive. This is an essential upgrade for trucks operating in warm climates or those frequently used for extreme towing and hauling.

• Lower activation temperature allows for earlier cooling system engagement
• Helps maintain lower engine temperatures under high-load conditions
• Direct-fit replacement for the OE primary thermostat
• Includes the Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMTS-F2D-11L

Fits 2011-2026 Ford F-250 and F-350 Super Duty (6.7L).

The Mishimoto High-Temperature Primary Cooling System Thermostat is engineered to optimize engine performance in cold weather conditions. By utilizing a higher activation temperature than the factory unit, this thermostat restricts coolant flow for a longer duration, allowing your 6.7L Powerstroke to reach its ideal operating temperature significantly faster. This is an essential upgrade for vehicles in northern climates where slow warm-up times can impact cabin heat and overall engine efficiency.

• Higher activation temperature promotes quicker engine warm-up in cold environments
• Complete kit includes two (2) primary thermostats and a replacement gasket
• Direct-fit replacement for the factory primary cooling system components
• Helps maintain consistent operating temperatures in extreme cold
• Manufacturer Part Number: MMTS-F2D-11H

Fits select 2008-2010 Ford F-250 and F-350 Super Duty trucks (6.4L Powerstroke).

Protect your 6.4L Powerstroke from the risks of engine overheating and thermal fatigue. These Mishimoto Low-Temperature Thermostats are engineered as a direct-fit replacement for the aged or failing factory units, providing a more proactive approach to cooling system management. Unlike the standard equipment, this set features lower activation temperatures of 187°F and 197°F, allowing coolant to circulate through the block and radiator earlier than the factory 192°F and 203°F settings.

This reduced activation threshold is essential for maintaining lower overall operating temperatures, especially for heavily modified trucks, vehicles operating in warm climates, or those frequently subjected to extreme towing and racing conditions. Precision-crafted for a leak-free seal and consistent performance, these thermostats help stabilize your engine's thermal profile during high-load scenarios. For the ultimate cooling upgrade, pair this set with a Mishimoto performance aluminum radiator.

• Direct-fit for 2008-2010 Ford 6.4L Powerstroke engines
• Activation Temperatures: 187°F (86°C) and 197°F (92°C)
• OEM Activation Temperatures: 192°F (89°C) and 203°F (95°C)
• Includes two (2) thermostats and a replacement housing gasket
• Manufacturer Part Number: MMTS-F2D-08L
• Mishimoto Lifetime Warranty

Fits 2008-2010 Ford F-250 and F-350 Super Duty models (6.4L Powerstroke).

Cold weather can be taxing on diesel engines, often leading to sluggish warm-up times and reduced heater performance. The Mishimoto High-Temperature Thermostat set is engineered specifically for the 6.4L Powerstroke to combat these issues. These thermostats feature a higher activation temperature of 198°F and 208°F, compared to the factory settings of 192°F and 203°F. This restricts coolant flow for a longer duration, allowing the engine to reach optimal operating temperatures significantly faster in freezing conditions.

As a direct-fit replacement for aged or defective OE units, this kit improves cooling system reliability and helps prevent the potential internal damage associated with improper engine temps. For maximum efficiency, this set includes both required thermostats and a new replacement gasket to ensure a leak-free installation.

• Direct-Fit: Replaces factory units on 2008-2010 Ford 6.4L Powerstroke
• Cold Climate Optimized: Higher activation temperatures (198°F / 208°F) for faster warm-up
• Complete Set: Includes two (2) thermostats and matching gasket
• High Reliability: Backed by the Mishimoto Lifetime Warranty
• Part Number: MMTS-F2D-08H

Fits select 2004-2010 Ford E-350 Super Duty, E-350 Club Wagon, Excursion, F-250 Super Duty, and F-350 Super Duty (6.0L).

Protect your 6.0L Powerstroke from overheating during heavy-duty use with the Mishimoto low-temperature thermostat. This unit is engineered to activate at 185°F (85°C), opening earlier than the 192°F factory thermostat to allow coolant to circulate through the engine sooner. This reduced activation point is ideal for vehicles operating in hot climates or those frequently subjected to high-stress towing and hauling conditions.

The assembly features a durable 6061 CNC-machined aluminum housing that replaces the standard factory component. The low-temperature thermostat comes pre-installed in the housing to simplify the installation process and ensure a precise fit against the engine block.

• Activation Temperature: 185°F (Mishimoto) vs. 192°F (Factory)
• Housing Material: 6061 CNC-machined aluminum
• Maintains lower engine temperatures in high-load scenarios
• Direct-fit replacement for the OE housing and thermostat
• Manufacturer Part Number: MMTS-F2D-03FL

Fits select 2004-2010 Ford F-250/F-350 Super Duty, E-350 Super Duty, E-350 Club Wagon, and Excursion (6.0L).

Protect your 6.0L Powerstroke from overheating during heavy towing or in hot climates with the Mishimoto Low-Temperature Thermostat and Housing. This kit replaces the failure-prone factory unit with a durable cast aluminum housing that is resistant to rust and ensures a reliable, leak-free seal. The pre-installed thermostat is calibrated to open at 185°F (85°C), compared to the 192°F factory opening temperature, allowing coolant to circulate through the block earlier to maintain lower overall operating temperatures.

• Activation temperature of 185°F vs. 192°F factory setting
• Includes pre-installed thermostat for a direct-fit installation
• Corrosion-resistant cast aluminum housing
• Ideal for high-load applications and extreme driving conditions
• Mishimoto Part Number: MMTS-F2D-03CL

Fits 2004-2010 Ford E-350 Super Duty, E-350 Club Wagon, Excursion, F-250, and F-350 Super Duty (6.0L).

Improve the cooling system reliability and cold-weather performance of your 6.0L Powerstroke with the Mishimoto High-Temperature Thermostat and cast aluminum housing. This direct-fit replacement is engineered specifically for vehicles operating in cold climates where the factory 192°F thermostat allows coolant to circulate too early. By increasing the activation temperature to 200°F, this unit restricts coolant flow longer to facilitate a quicker engine warm-up and maintain optimal operating temperatures.

The included housing is constructed from durable cast aluminum, providing a superior seal compared to aged factory units and ensuring long-term resistance to rust and corrosion. This assembly comes with the thermostat pre-installed to ensure a straightforward installation into factory mounting points.

• Activation Temperature: 200°F (Higher than factory 192°F)
• Housing Material: Cast Aluminum
• Application-specific design for quicker engine warm-up in cold climates
• Direct-fit replacement for the factory thermostat and housing
• Mishimoto Lifetime Warranty included
• Manufacturer Part Number: MMTS-F2D-03CH

Fits select 2008-2013 Mitsubishi Lancer Evolution X and 2009-2010 Outlander models. This Mishimoto racing thermostat is designed to promote cooling efficiency in performance-oriented engines, particularly those with modified or upgraded turbo systems that generate high heat.

By opening at a lower temperature (68°C / 154.4°F) compared to the standard OEM thermostat (82°C / 179.6°F), this unit allows coolant to circulate through the engine earlier. This proactive cooling approach helps maintain lower operating temperatures and prevents heat soak during spirited driving or track use.

• Opening Temperature: 68°C (154.4°F)
• OEM Temperature: 82°C (179.6°F)
• Improves cooling efficiency for high-heat turbo applications
• Allows coolant to flow through the engine sooner for better thermal management
• Manufacturer Part Number: MMTS-EVO-10L

Vehicle Fitment:
2008-2013 Mitsubishi Lancer Evolution (GSR, MR, MR Touring)
2009-2010 Mitsubishi Outlander (ES, GT, SE, XLS)

Fits 2003-2006 Mitsubishi Lancer Evolution, including Evolution MR, RS, and SE submodels.

The Mishimoto MMTS-EVO-01 Racing Thermostat is engineered to provide superior cooling efficiency for high-performance and modified 4G63 engines. By opening at 63°C (145.4°F), which is significantly lower than the factory unit, this thermostat allows coolant to flow through the system earlier. This proactive cooling helps maintain lower engine temperatures and prevents heat soak during aggressive driving or in high-boost turbo applications.

• Direct fit for 2003-2006 Mitsubishi Lancer Evolution models
• Lower activation temperature allows coolant to circulate through the radiator sooner
• Effectively reduces and maintains cooler engine temperatures under load
• Essential upgrade for modified or upgraded turbo applications
• Opening Temperature: 63°C (145.4°F)
• Manufacturer Part Number: MMTS-EVO-01

Fits select 1993-2010 Mitsubishi, Dodge, Eagle, and Plymouth models including Eclipse, Galant, Lancer, and Mirage.

The Mishimoto Racing Thermostat is engineered to provide superior cooling efficiency by significantly lowering engine temperatures. This thermostat activates at a lower temperature (62°C / 143.6°F) compared to standard OEM units, allowing coolant to flow through the system earlier. By initiating radiator circulation sooner, it helps prevent heat soak and maintains more consistent operating temperatures during high-load driving or track use.

• Activation Temperature: 62°C (143.6°F)
• Promotes increased cooling efficiency and heat management
• Direct-fit replacement for the factory thermostat
• Ideal for high-performance, forced induction, or racing applications
• Manufacturer Part Number: MMTS-ECL-95TL

Fits select 2004-2014 BMW 1 Series, 3 Series, 5 Series, X1, X3, X5, X6, and Z4 models (N52/N54/N55 engines).

Maintain optimal operating temperatures during spirited driving or track use with the Mishimoto Racing Thermostat. This unit is designed to activate at a lower temperature than the factory thermostat, allowing coolant to flow through the system earlier. By initiating cooling sooner, it helps prevent heat soak and keeps your high-performance BMW engine running efficiently under demanding conditions.

• Increased Cooling Efficiency: Opens at a lower temperature to reduce overall engine heat.
• Performance Ready: Ideal for modified or high-output N52, N54, and N55 applications.
• Manufacturer Part Number: MMTS-E90-07
• Durability: Built to withstand the rigors of high-temperature cooling systems.
• Warranty: Includes the Mishimoto Lifetime Warranty.

Fits select 1999-2006 BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 models (M52/M54/M56).

Manage your BMW's operating temperatures more effectively with the Mishimoto low-temp racing thermostat. Designed specifically for the M52, M54, and M56 engine families, this unit begins opening at 70°C (158°F). This is approximately 27°C (48°F) earlier than the standard factory thermostat, allowing coolant to circulate through the radiator sooner to mitigate heat soak during track sessions or high-load spirited driving.

This racing thermostat comes pre-installed in a durable housing, ensuring a direct-fit installation that matches the factory mounting points. By replacing the entire housing assembly, you eliminate the risk of brittle plastic failure often associated with aging OE components. Every kit includes the necessary thermostat housing gasket and is covered by the Mishimoto Lifetime Warranty.

• Opening Temperature: 70°C (158°F)
• Construction: Thermostat pre-installed in OEM-style housing
• Included Hardware: Thermostat housing gasket
• Fitment: Select 1999-2006 BMW E39, E46, E53, E83, E85 chassis
• MPN: MMTS-E46-99V2

Fits select 1999-2006 BMW 3-Series, 5-Series, X3, X5, Z3, and Z4 models (M52 / M54 / M56 engines).

The Mishimoto MMTS-E46-99E is a direct-fit replacement thermostat assembly designed to restore proper cooling system operation. This unit comes pre-installed in a durable, OEM-quality housing, simplifying installation and ensuring a reliable seal. By opening at the factory-specified 97°C (206.6°F), it maintains the thermal efficiency required for M52, M54, and M56 engines, making it an ideal solution for a failed stock thermostat or cracked housing.

Every component is engineered to meet OE tolerances for fitment and performance. Like all Mishimoto cooling products, this BMW thermostat and housing assembly is backed by the Mishimoto Lifetime Warranty.

• Opening Temperature: 97°C (206.6°F)
• Construction: High-quality thermostat pre-installed in OEM-style housing
• Hardware Included: Thermostat housing gasket
• Manufacturer Part Number: MMTS-E46-99E