Fits select 2014-2026 Cadillac, Chevrolet, and GMC vehicles including Camaro, Corvette, Silverado, and Sierra (6.2L).

The Mishimoto MMTS-VET-14 Racing Thermostat is engineered to promote greater cooling efficiency by significantly reducing high engine temperatures. Once the engine is fully warmed up, this thermostat opens at 160°F (71°C) compared to the standard 212°F (100°C) factory unit. This earlier activation allows coolant to flow through the engine sooner, helping to maintain lower operating temperatures and prevent overheating during performance driving or towing.

Designed as a direct-fit replacement for the original equipment (OE) thermostat, this unit is essential for maintaining optimal thermal management in high-performance LT-series engines. Like all Mishimoto products, this thermostat is backed by a Lifetime Warranty for long-term peace of mind.

• Direct fit for select 2014-2026 GM 6.2L engines
• Lower activation temperature: 160°F (71°C) vs. 212°F (100°C) stock
• Promotes earlier coolant flow for improved thermal efficiency
• Includes Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMTS-VET-14

Fits select 2007-2026 Buick, Cadillac, Chevrolet, GMC, and Hummer vehicles including Camaro SS/ZL1, Corvette, Silverado, and Sierra models.

The Mishimoto MMTS-VET-05 Racing Thermostat is designed to improve cooling efficiency by significantly lowering engine operating temperatures. By activating at 169°F—compared to the standard factory 187°F setting—this thermostat allows coolant to flow through the engine earlier. This proactive cooling approach helps prevent heat soak and maintains consistent performance during spirited driving or under heavy towing loads.

• Direct-fit replacement for the factory unit
• Lower activation temperature allows for earlier heat dissipation
• Activation Temperature: 169°F (76°C)
• Stock Activation Temperature: 187°F (86°C)
• Durable construction for long-term reliability in high-heat environments
• Manufacturer Part Number: MMTS-VET-05
• Mishimoto Lifetime Warranty

Fits select 2007-2025 Toyota and Lexus models including Tundra, Sequoia, Land Cruiser, GX460, and LX570 (5.7L).

The Mishimoto Low-Temperature Racing Thermostat is a precision cooling upgrade designed to replace your factory unit and housing. By opening at 160°F (71°C) instead of the standard 180°F (82°C) OEM temperature, this thermostat allows coolant to circulate through the engine earlier. This proactive cooling is essential for vehicles operating in high-ambient temperatures, heavy towing applications, or engines modified for increased power output.

This kit includes a stock-style housing to ensure a proper seal and a straightforward, direct-fit installation into the factory mounting location. This assembly eliminates the need for separate housing gaskets or complex swaps. Like all Mishimoto performance parts, this thermostat is backed by a Lifetime Warranty for long-term reliability.

• Direct-fit for 2007-2025 Lexus and Toyota 5.7L engines
• Lowers activation temperature to 160°F (71°C) for improved cooling efficiency
• Includes pre-installed thermostat in a stock-style housing for a leak-free seal
• Ideal for towing, racing, or hot climate operation
• Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMTS-TUN-07

Fits select 1988-2013 Toyota, Lexus, Mitsubishi, Eagle, Ford, and Chevrolet models, including Camry, Tacoma, Eclipse, and ES300.

The Mishimoto MMTS-TC-05L Racing Thermostat is engineered to provide superior cooling efficiency for high-performance engines. By activating at a significantly lower temperature (155°F / 68°C) than standard factory units, it allows coolant to circulate through the system earlier. This reduced opening threshold helps maintain lower overall engine temperatures and mitigates the risk of heat soak during aggressive driving, heavy towing, or track use.

This thermostat is a direct replacement for your worn or high-temperature OEM unit, ensuring your cooling system is optimized for demanding conditions without compromising fitment.

• Lower activation temperature promotes earlier coolant flow and cooler engine operation
• Ideal for high-performance, forced induction, and racing applications
• Manufacturer Part Number: MMTS-TC-05L
• Opening Temperature: 155°F (68°C)
• Fits a wide range of Toyota, Lexus, and Mitsubishi applications from 1988-2013

Fits select 1992-2013 Lexus, Scion, and Toyota vehicles, including GS300, IS300, SC300, Supra, Tacoma, Yaris, Echo, and Prius.

The Mishimoto MMTS-SUP-93TL Racing Thermostat is engineered to improve cooling efficiency by significantly lowering engine operating temperatures. Unlike standard thermostats that remain closed until the engine reaches high temperatures, this racing-spec unit activates at 155°F (68°C). By allowing coolant to flow through the system earlier, it helps prevent heat soak and maintains more consistent temperatures during high-load driving or in extreme climates.

This thermostat is a direct replacement for the OEM unit, fitting into the factory housing without modification. It is an essential upgrade for tuned 2JZ-GE, 2JZ-GTE, and 2TR-FE engines, as well as high-efficiency 1NZ-FE applications where heat management is critical for performance and longevity.

• Activation Temperature: 155°F (68°C)
• Replaces OEM thermostat to allow earlier coolant circulation
• Maintains lower engine temperatures under performance conditions
• Manufacturer Part Number: MMTS-SUP-93TL

Fits select 1967-1995 Toyota 4Runner, Celica, Corolla, Corona, Cressida, Mark II, Pickup, Starlet, and Supra models.

The Mishimoto MMTS-SUP-86L Racing Thermostat is engineered to improve cooling efficiency by initiating coolant flow significantly earlier than standard factory thermostats. By opening at 155°F (68°C) instead of the higher OEM activation temperature, this unit allows the cooling system to manage heat more proactively. This is essential for high-performance applications and modified engines that generate more heat than stock configurations, ensuring more stable engine temperatures and reduced thermal stress.

• Manufacturer Part Number: MMTS-SUP-86L
• Activation Temperature: 155°F (68°C)
• Material: High-grade construction for reliable cycling and corrosion resistance
• Fitment: Direct replacement for the factory thermostat in compatible Toyota housings
• Benefits: Lower overall engine temperatures and improved thermal management

This Mishimoto replacement thermostat is engineered specifically for use in Mishimoto oil sandwich plates (specifically model MMOP-SPT). It provides critical temperature regulation by opening at 93°C (200°F), allowing oil to flow through the cooler once it reaches operating temperature to prevent overheating during high-performance or track driving.

• Direct replacement for the internal thermostat in Mishimoto MMOP-SPT sandwich plates
• Opening Temperature: 93°C (200°F) for precise thermal management
• Maintains optimal oil viscosity by preventing over-cooling in high-load applications
• Built with high-quality components to withstand rigorous engine bay environments
• Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMTS-SPT-93

Regulate your oil temperatures with precision using the Mishimoto Replacement Sandwich Plate Thermostat. This component is designed to replace the internal thermostat within the Mishimoto MMOP-SPT oil sandwich plate, ensuring your cooling system maintains the exact thermal range required for your engine's needs.

Rated for activation at 71°C (160°F), this thermostat allows oil to flow to your external cooler earlier than higher-temp alternatives, making it an ideal choice for track-driven vehicles or high-load applications where managing heat soak is critical. Its robust construction ensures long-term reliability and consistent opening/closing cycles under demanding conditions.

• Direct replacement for the thermostat in Mishimoto MMOP-SPT sandwich plates
• Opening Temperature: 71°C (160°F)
• Helps maintain optimal oil viscosity and engine protection
• Manufacturer Part Number: MMTS-SPT-71
• Mishimoto Lifetime Warranty

Fits select 2009-2017 Audi A6, A7, A8, Q5, Q7, S4, S5, SQ5, and Volkswagen Touareg models.

The Mishimoto MMTS-S4-10 Racing Thermostat is engineered to improve cooling efficiency by promoting earlier coolant circulation. Designed as a direct-fit upgrade, this thermostat begins opening at 159.8°F (71°C), which is 25.2°F (14°C) earlier than the factory unit. By allowing coolant to flow into the radiator sooner, it helps manage thermal loads more effectively during high-performance driving or in demanding climates.

This kit includes an OEM-quality thermostat housing to ensure a precise, leak-free seal and simplified installation. Whether you are addressing a common cooling system failure or preparing a vehicle for track use, this lower-temperature thermostat provides a reliable solution for engine temperature management.

• Direct fit for select 2009-2017 Audi and Volkswagen models
• Activates at 71°C (159.8°F) to maintain lower operating temperatures
• Begins opening 14°C (25.2°F) earlier than the stock thermostat
• Includes integrated OEM-quality thermostat housing
• Manufacturer Part Number: MMTS-S4-10
• Mishimoto Lifetime Warranty

Fits select 1991-2017 Acura, Chrysler, Dodge, Honda, Hyundai, Kia, Lexus, and Mitsubishi models (including S2000, NSX, Accord, and Odyssey).

The Mishimoto 68 Degree Racing Thermostat is designed to improve cooling efficiency in high-performance or track-oriented engines. By activating at a lower temperature (68°C) than standard units, this thermostat allows coolant to begin flowing through the radiator earlier. This proactive cooling helps maintain lower engine temperatures and prevents overheating during spirited driving or heavy-load conditions.

• Activation Temperature: 68°C (154.4°F)
• Allows coolant to flow through the system earlier for improved thermal management
• Helps maintain lower engine temperatures under load
• Direct replacement for the factory unit
• Manufacturer Part Number: MMTS-S2K-00L

Fits select 1989-2013 Mazda 2, 626, Millenia, MPV, MX-3, MX-6, Protege, and RX-8 (1.3L).

The Mishimoto Racing Thermostat is designed to provide superior cooling efficiency for your engine. Unlike standard thermostats that wait for higher temperatures to open, this high-performance version activates earlier, allowing coolant to circulate through the system sooner. This proactive cooling is essential for maintaining optimal operating temperatures and preventing heat soak during high-performance or track use.

• Lower activation temperature for earlier coolant flow
• Helps maintain cooler engine temperatures under high load conditions
• Direct-fit replacement for the factory thermostat
• Manufacturer Part Number: MMTS-RX8-04L

Fits select 1988-2003 Mazda RX-7, Tribute, Toyota 4Runner, Pickup, and T100.

The Mishimoto 68 Degree Racing Thermostat is designed to improve cooling efficiency by significantly reducing engine temperatures. This thermostat activates at a lower temperature (68°C) 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 lower operating temperatures during high-performance driving or heavy-duty use.

Built for a direct-fit installation, this racing thermostat replaces the factory unit without modification. It is an essential upgrade for maintaining thermal management in performance applications, particularly for rotary engines and truck cooling systems prone to heat-related stress.

• Manufacturer Part Number: MMTS-RX7-89
• Activation Temperature: 68°C (154.4°F)
• Construction: High-quality materials for reliable cycling and long service life
• Benefits: Lower overall engine temperatures and increased cooling system capacity
• Installation: Direct-fit replacement for the factory thermostat

Fits select 2002-2006 Acura RSX, Honda Civic, and Honda CR-V models.

Manage thermal loads more effectively with the Mishimoto Racing Thermostat. This component is engineered to improve cooling efficiency in high-performance environments, particularly in vehicles with modified or turbocharged engines that generate significant heat. By opening at a lower temperature (60°C) compared to the standard OEM unit (78°C), this thermostat allows coolant to circulate through the block and radiator earlier, helping to maintain lower overall operating temperatures and prevent overheating during spirited driving.

• Activates at 60°C (140°F) to initiate cooling sooner than the 78°C (172°F) factory unit
• Helps maintain lower engine temperatures in high-stress or forced induction applications
• Direct-fit replacement for the original equipment thermostat
• Manufacturer Part Number: MMTS-RSX-02

Fits select 1984-2003 Nissan, Infiniti, and Mercury vehicles including 300ZX, Maxima, Pathfinder, Frontier, and Xterra (3.0L / 3.3L engines).

The Mishimoto Racing Thermostat (MMTS-RB-ALLL) is engineered to promote cooling efficiency by significantly reducing high engine temperatures. Once the engine is fully warmed up, this thermostat opens at a lower temperature (155°F / 68°C) compared to standard OEM thermostats. This allows coolant to flow through the system earlier, helping to maintain cooler operating temperatures and preventing overheating during high-performance use or heavy-load conditions.

• Activation Temperature: 155°F (68°C)
• Design: High-quality replacement for factory units, maintaining tight tolerances for reliable operation.
• Fitment: Direct-fit for VG30 and VG33 based cooling systems.
• Warranty: Mishimoto Lifetime Warranty.
• Manufacturer Part Number: MMTS-RB-ALLL

Fits select 1999-2013 Dodge and Ram 2500/3500 trucks (5.9L / 6.7L Cummins).

The Mishimoto Low-Temperature Thermostat provides a proactive approach to cooling for your Cummins-powered Dodge or Ram truck. Designed to activate at a lower temperature than the factory unit, this thermostat allows coolant to circulate through the radiator earlier. This prevents the engine from reaching higher peak temperatures, which is especially critical when towing heavy loads or operating in hot climates.

This component serves as a direct-fit replacement for the OEM unit, ensuring a clean installation into the factory housing. By maintaining lower overall engine temperatures, it helps reduce the risk of heat-related component wear and improves thermal efficiency during high-demand operation.

• Lower activation temperature allows for earlier coolant flow through the system
• Maintains cooler engine temperatures under high-load or high-ambient conditions
• Direct-fit replacement for factory thermostat
• Ideal for heavy towing, hauling, and warm climate operation
• Manufacturer Part Number: MMTS-RAM-99L

Fits select 1999-2013 Dodge Ram 3500 and Ram 2500 trucks equipped with 5.9L or 6.7L Cummins engines.

The Mishimoto High-Temperature Thermostat is engineered specifically for vehicles operating in cold climates where maintaining engine heat is critical. By remaining closed longer than the factory unit, this thermostat restricts coolant circulation to allow the engine to reach its optimal operating temperature significantly faster. This improved thermal efficiency is essential for diesel engines in winter conditions, ensuring better cabin heater performance and reduced warm-up idle time.

• Direct-fit replacement for the factory thermostat
• Designed specifically for the 5.9L and 6.7L Cummins diesel engines
• Higher opening temperature promotes faster warm-up in cold weather
• Optimizes cooling system efficiency for cool climate operation
• Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMTS-RAM-99H

Fits 1994-1998 Dodge Ram 2500 and 3500 (5.9L).

The Mishimoto Low-Temperature Thermostat is engineered to improve cooling efficiency by activating at a lower temperature than standard factory units. By opening earlier, this thermostat allows coolant to flow through the radiator sooner, effectively reducing and maintaining lower engine temperatures. This is a critical upgrade for vehicles operating in warm climates or those under heavy load conditions, such as towing or hauling.

• Promotes cooler engine operating temperatures
• Ideal for high-heat environments and heavy-duty applications
• Allows coolant to circulate earlier in the combustion cycle
• Direct fit for 5.9L Dodge Ram applications
• Manufacturer Part Number: MMTS-RAM-94L

Fits 1994-1998 Dodge Ram 2500 and 3500 (5.9L).

Designed specifically for colder climates and winter driving, the Mishimoto High-Temperature Thermostat allows for quicker engine warm-up times. By restricting coolant circulation for a longer duration before reaching operating temperature, this unit ensures your engine reaches its optimal heat range faster, improving cabin heater performance and overall engine efficiency in freezing conditions.

• Direct fit for 1994-1998 Dodge Ram 2500/3500 5.9L models
• High-temperature rating ideal for cold-weather operation
• Promotes faster engine warm-up and improved heater output
• Mishimoto Lifetime Warranty included
• Manufacturer Part Number: MMTS-RAM-94H

Fits select 2002-2013 Nissan Altima, Sentra, Frontier, and Rogue models equipped with the 2.5L engine.

Protect your engine from overheating and thermal stress with the Mishimoto Racing Thermostat. Designed for high-performance driving and demanding conditions, this thermostat facilitates greater cooling efficiency by significantly reducing engine temperatures. While the factory thermostat is calibrated to open at 205°F (96.1°C), the Mishimoto unit activates at just 177°F (80.5°C).

By opening at a lower temperature, this thermostat allows coolant to flow through the system earlier, helping maintain a more consistent and lower operating temperature. This is a direct-fit replacement for the OE unit and is ideal for vehicles used in heavy traffic, autocross, or high-load environments. Like all Mishimoto products, this thermostat is backed by a lifetime warranty for long-term reliability.

• Manufacturer Part Number: MMTS-NIS-02L
• Activation Temperature: 177°F (80.5°C)
• OEM Activation Temperature: 205°F (96.1°C)
• Promotes earlier coolant flow to maintain lower engine temperatures
• Direct-fit for the 2.5L engine applications listed below
• Mishimoto Lifetime Warranty included