Mishimoto Racing Thermostat — Fits Jeep Wrangler 2.5L-4.2L

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SKU: MISMMTS-WRA-87L
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Racing Thermostat for Jeep Wrangler

Optimize your Jeep Wrangler's engine cooling performance with the Mishimoto Racing Thermostat. Designed to replace your stock thermostat, this upgrade ensures your engine operates at its ideal temperature, preventing overheating and maintaining peak performance, whether you're tackling trails or cruising on the highway.

Enhanced Cooling Efficiency:

  • Lower Opening Temperature: This racing thermostat is engineered to open at a lower temperature than the factory unit. This allows coolant to circulate through the radiator sooner, leading to more efficient heat dissipation.
  • Reduced Engine Temperatures: By promoting continuous coolant flow, it helps maintain lower and more consistent engine temperatures, crucial for longevity and performance, especially during demanding driving conditions.
  • Direct Fit Replacement: The Mishimoto Racing Thermostat is designed for a direct fit, making installation straightforward without the need for modifications.
  • Durable Construction: Built with high-quality materials to withstand the rigors of engine operation and varying temperatures.

Vehicle Fitment:

This thermostat is specifically designed for Jeep Wrangler models with the following engine displacements:

  • 2.5L Engines
  • 4.0L Engines
  • 4.2L Engines

Ensure your Jeep Wrangler stays cool under pressure. Upgrade to the Mishimoto Racing Thermostat for superior cooling performance. Find this and other performance cooling components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1982 Alfa Romeo GTV-6 2.5
1980 American Motors AMX Base
1980-1983 American Motors Concord Base
1980-1983 American Motors Concord DL
1980-1983 American Motors Concord Limited
1980 American Motors Eagle DL
1980 American Motors Eagle Sport
1980-1987 American Motors Eagle Limited
1981-1982 American Motors Eagle DL Kammback
1981-1982 American Motors Eagle Kammback
1981-1983 American Motors Eagle DL SX4
1981-1983 American Motors Eagle SX4
1981-1988 American Motors Eagle Base
1980 American Motors Pacer DL
1980 American Motors Pacer Limited
1980 American Motors Spirit Limited
1980-1982 American Motors Spirit Base
1980-1983 American Motors Spirit DL
1983 American Motors Spirit GT
1980-1981 Buick Century Sport
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1992 Buick Century Limited
1982-1992 Buick Century Custom
1983-1986 Buick Century T-Type
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1992 Buick Century Special
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1980-1981 Buick LeSabre Base
1980-1981 Buick LeSabre Sport
1980-1990 Buick LeSabre Limited
1982 Buick LeSabre Limited Edition F/E
1982-1990 Buick LeSabre Custom
1985 Buick LeSabre Collector's Edition
1985-1990 Buick LeSabre Estate Wagon
1987 Buick LeSabre T-Type
1987-1990 Buick LeSabre Base
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1980 Buick Riviera S
1980-1985 Buick Riviera Base
1981-1985 Buick Riviera T-Type
1982 Buick Riviera Limited Edition
1983 Buick Riviera XX Anniversary Edition
1983-1985 Buick Riviera Luxury
1991-1993 Buick Roadmaster Estate Wagon
1992-1993 Buick Roadmaster Base
1992-1993 Buick Roadmaster Limited

…and 274 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Racing Thermostat for Jeep Wrangler

Optimize your Jeep Wrangler's engine cooling performance with the Mishimoto Racing Thermostat. Designed to replace your stock thermostat, this upgrade ensures your engine operates at its ideal temperature, preventing overheating and maintaining peak performance, whether you're tackling trails or cruising on the highway.

Enhanced Cooling Efficiency:

  • Lower Opening Temperature: This racing thermostat is engineered to open at a lower temperature than the factory unit. This allows coolant to circulate through the radiator sooner, leading to more efficient heat dissipation.
  • Reduced Engine Temperatures: By promoting continuous coolant flow, it helps maintain lower and more consistent engine temperatures, crucial for longevity and performance, especially during demanding driving conditions.
  • Direct Fit Replacement: The Mishimoto Racing Thermostat is designed for a direct fit, making installation straightforward without the need for modifications.
  • Durable Construction: Built with high-quality materials to withstand the rigors of engine operation and varying temperatures.

Vehicle Fitment:

This thermostat is specifically designed for Jeep Wrangler models with the following engine displacements:

  • 2.5L Engines
  • 4.0L Engines
  • 4.2L Engines

Ensure your Jeep Wrangler stays cool under pressure. Upgrade to the Mishimoto Racing Thermostat for superior cooling performance. Find this and other performance cooling components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1982 Alfa Romeo GTV-6 2.5
1980 American Motors AMX Base
1980-1983 American Motors Concord Base
1980-1983 American Motors Concord DL
1980-1983 American Motors Concord Limited
1980 American Motors Eagle DL
1980 American Motors Eagle Sport
1980-1987 American Motors Eagle Limited
1981-1982 American Motors Eagle DL Kammback
1981-1982 American Motors Eagle Kammback
1981-1983 American Motors Eagle DL SX4
1981-1983 American Motors Eagle SX4
1981-1988 American Motors Eagle Base
1980 American Motors Pacer DL
1980 American Motors Pacer Limited
1980 American Motors Spirit Limited
1980-1982 American Motors Spirit Base
1980-1983 American Motors Spirit DL
1983 American Motors Spirit GT
1980-1981 Buick Century Sport
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1992 Buick Century Limited
1982-1992 Buick Century Custom
1983-1986 Buick Century T-Type
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1992 Buick Century Special
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1980-1981 Buick LeSabre Base
1980-1981 Buick LeSabre Sport
1980-1990 Buick LeSabre Limited
1982 Buick LeSabre Limited Edition F/E
1982-1990 Buick LeSabre Custom
1985 Buick LeSabre Collector's Edition
1985-1990 Buick LeSabre Estate Wagon
1987 Buick LeSabre T-Type
1987-1990 Buick LeSabre Base
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1980 Buick Riviera S
1980-1985 Buick Riviera Base
1981-1985 Buick Riviera T-Type
1982 Buick Riviera Limited Edition
1983 Buick Riviera XX Anniversary Edition
1983-1985 Buick Riviera Luxury
1991-1993 Buick Roadmaster Estate Wagon
1992-1993 Buick Roadmaster Base
1992-1993 Buick Roadmaster Limited

…and 274 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Racing Thermostat for Jeep Wrangler

Optimize your Jeep Wrangler's engine cooling performance with the Mishimoto Racing Thermostat. Designed to replace your stock thermostat, this upgrade ensures your engine operates at its ideal temperature, preventing overheating and maintaining peak performance, whether you're tackling trails or cruising on the highway.

Enhanced Cooling Efficiency:

  • Lower Opening Temperature: This racing thermostat is engineered to open at a lower temperature than the factory unit. This allows coolant to circulate through the radiator sooner, leading to more efficient heat dissipation.
  • Reduced Engine Temperatures: By promoting continuous coolant flow, it helps maintain lower and more consistent engine temperatures, crucial for longevity and performance, especially during demanding driving conditions.
  • Direct Fit Replacement: The Mishimoto Racing Thermostat is designed for a direct fit, making installation straightforward without the need for modifications.
  • Durable Construction: Built with high-quality materials to withstand the rigors of engine operation and varying temperatures.

Vehicle Fitment:

This thermostat is specifically designed for Jeep Wrangler models with the following engine displacements:

  • 2.5L Engines
  • 4.0L Engines
  • 4.2L Engines

Ensure your Jeep Wrangler stays cool under pressure. Upgrade to the Mishimoto Racing Thermostat for superior cooling performance. Find this and other performance cooling components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1982 Alfa Romeo GTV-6 2.5
1980 American Motors AMX Base
1980-1983 American Motors Concord Base
1980-1983 American Motors Concord DL
1980-1983 American Motors Concord Limited
1980 American Motors Eagle DL
1980 American Motors Eagle Sport
1980-1987 American Motors Eagle Limited
1981-1982 American Motors Eagle DL Kammback
1981-1982 American Motors Eagle Kammback
1981-1983 American Motors Eagle DL SX4
1981-1983 American Motors Eagle SX4
1981-1988 American Motors Eagle Base
1980 American Motors Pacer DL
1980 American Motors Pacer Limited
1980 American Motors Spirit Limited
1980-1982 American Motors Spirit Base
1980-1983 American Motors Spirit DL
1983 American Motors Spirit GT
1980-1981 Buick Century Sport
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1992 Buick Century Limited
1982-1992 Buick Century Custom
1983-1986 Buick Century T-Type
1984 Buick Century Estate
1984 Buick Century Olympia Limited
1985-1989 Buick Century Estate Wagon
1991-1992 Buick Century Special
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1980-1981 Buick LeSabre Base
1980-1981 Buick LeSabre Sport
1980-1990 Buick LeSabre Limited
1982 Buick LeSabre Limited Edition F/E
1982-1990 Buick LeSabre Custom
1985 Buick LeSabre Collector's Edition
1985-1990 Buick LeSabre Estate Wagon
1987 Buick LeSabre T-Type
1987-1990 Buick LeSabre Base
1980-1982 Buick Regal Sport
1980-1987 Buick Regal Base
1980-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1980 Buick Riviera S
1980-1985 Buick Riviera Base
1981-1985 Buick Riviera T-Type
1982 Buick Riviera Limited Edition
1983 Buick Riviera XX Anniversary Edition
1983-1985 Buick Riviera Luxury
1991-1993 Buick Roadmaster Estate Wagon
1992-1993 Buick Roadmaster Base
1992-1993 Buick Roadmaster Limited

…and 274 additional fitments. Contact us to confirm yours.

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