Mishimoto 60°F Racing Thermostat — Fits 02-06 Acura RSX & 03-05 Honda Civic

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SKU: MISMMTS-RSX-02
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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 60°F Racing Thermostat for Acura RSX & Honda Civic

Elevate your vehicle's cooling system with the Mishimoto 60°F Racing Thermostat, specifically engineered for the 2002-2006 Acura RSX and compatible Honda Civic models. This high-performance thermostat opens at a significantly lower temperature (60°C / 140°F) compared to the stock unit (78°C / 172°F), allowing coolant to circulate through the engine earlier. This proactive cooling helps reduce and maintain lower engine temperatures, which is particularly beneficial for modified vehicles, turbocharged applications, or demanding driving conditions.

Benefits of the Mishimoto Racing Thermostat:

  • Enhanced Cooling: Opens at 60°C (140°F) to promote faster coolant flow and reduce engine heat buildup.
  • Improved Performance & Reliability: Cooler engines perform better and are less prone to heat-related damage.
  • Direct Fit Installation: Designed as a direct replacement for your factory thermostat, ensuring a hassle-free installation.
  • Durable Construction: Built with high-quality materials to ensure longevity and consistent performance.
  • Optimized for Performance: Ideal for enthusiasts seeking to maximize their engine's thermal management.

Vehicle Fitment:

This Mishimoto racing thermostat is a perfect upgrade for:

  • Acura RSX: 2002-2006 (Base and Type-S models)
  • Honda Civic: 2003-2005 (DX, EX, EX Special Edition, GX, HX, Hybrid, LX, Si, Value Package)
  • Honda CR-V: 2002-2006 (EX, LX, SE models)

By allowing coolant to flow sooner, this thermostat helps prevent overheating and keeps your engine running at its optimal temperature. Upgrade your cooling system with Mishimoto for superior performance and peace of mind.

Vehicle Fitment

Years Make Model Trim
2002-2006 Acura RSX Base
2002-2006 Acura RSX Type-S
2002-2006 Honda CR-V EX
2002-2006 Honda CR-V LX
2005-2006 Honda CR-V SE
2003-2005 Honda Civic DX
2003-2005 Honda Civic EX
2003-2005 Honda Civic GX
2003-2005 Honda Civic HX
2003-2005 Honda Civic Hybrid
2003-2005 Honda Civic LX
2003-2005 Honda Civic Si
2004-2005 Honda Civic Value Package
2005 Honda Civic EX Special Edition

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 60°F Racing Thermostat for Acura RSX & Honda Civic

Elevate your vehicle's cooling system with the Mishimoto 60°F Racing Thermostat, specifically engineered for the 2002-2006 Acura RSX and compatible Honda Civic models. This high-performance thermostat opens at a significantly lower temperature (60°C / 140°F) compared to the stock unit (78°C / 172°F), allowing coolant to circulate through the engine earlier. This proactive cooling helps reduce and maintain lower engine temperatures, which is particularly beneficial for modified vehicles, turbocharged applications, or demanding driving conditions.

Benefits of the Mishimoto Racing Thermostat:

  • Enhanced Cooling: Opens at 60°C (140°F) to promote faster coolant flow and reduce engine heat buildup.
  • Improved Performance & Reliability: Cooler engines perform better and are less prone to heat-related damage.
  • Direct Fit Installation: Designed as a direct replacement for your factory thermostat, ensuring a hassle-free installation.
  • Durable Construction: Built with high-quality materials to ensure longevity and consistent performance.
  • Optimized for Performance: Ideal for enthusiasts seeking to maximize their engine's thermal management.

Vehicle Fitment:

This Mishimoto racing thermostat is a perfect upgrade for:

  • Acura RSX: 2002-2006 (Base and Type-S models)
  • Honda Civic: 2003-2005 (DX, EX, EX Special Edition, GX, HX, Hybrid, LX, Si, Value Package)
  • Honda CR-V: 2002-2006 (EX, LX, SE models)

By allowing coolant to flow sooner, this thermostat helps prevent overheating and keeps your engine running at its optimal temperature. Upgrade your cooling system with Mishimoto for superior performance and peace of mind.

Vehicle Fitment

Years Make Model Trim
2002-2006 Acura RSX Base
2002-2006 Acura RSX Type-S
2002-2006 Honda CR-V EX
2002-2006 Honda CR-V LX
2005-2006 Honda CR-V SE
2003-2005 Honda Civic DX
2003-2005 Honda Civic EX
2003-2005 Honda Civic GX
2003-2005 Honda Civic HX
2003-2005 Honda Civic Hybrid
2003-2005 Honda Civic LX
2003-2005 Honda Civic Si
2004-2005 Honda Civic Value Package
2005 Honda Civic EX Special Edition

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 60°F Racing Thermostat for Acura RSX & Honda Civic

Elevate your vehicle's cooling system with the Mishimoto 60°F Racing Thermostat, specifically engineered for the 2002-2006 Acura RSX and compatible Honda Civic models. This high-performance thermostat opens at a significantly lower temperature (60°C / 140°F) compared to the stock unit (78°C / 172°F), allowing coolant to circulate through the engine earlier. This proactive cooling helps reduce and maintain lower engine temperatures, which is particularly beneficial for modified vehicles, turbocharged applications, or demanding driving conditions.

Benefits of the Mishimoto Racing Thermostat:

  • Enhanced Cooling: Opens at 60°C (140°F) to promote faster coolant flow and reduce engine heat buildup.
  • Improved Performance & Reliability: Cooler engines perform better and are less prone to heat-related damage.
  • Direct Fit Installation: Designed as a direct replacement for your factory thermostat, ensuring a hassle-free installation.
  • Durable Construction: Built with high-quality materials to ensure longevity and consistent performance.
  • Optimized for Performance: Ideal for enthusiasts seeking to maximize their engine's thermal management.

Vehicle Fitment:

This Mishimoto racing thermostat is a perfect upgrade for:

  • Acura RSX: 2002-2006 (Base and Type-S models)
  • Honda Civic: 2003-2005 (DX, EX, EX Special Edition, GX, HX, Hybrid, LX, Si, Value Package)
  • Honda CR-V: 2002-2006 (EX, LX, SE models)

By allowing coolant to flow sooner, this thermostat helps prevent overheating and keeps your engine running at its optimal temperature. Upgrade your cooling system with Mishimoto for superior performance and peace of mind.

Vehicle Fitment

Years Make Model Trim
2002-2006 Acura RSX Base
2002-2006 Acura RSX Type-S
2002-2006 Honda CR-V EX
2002-2006 Honda CR-V LX
2005-2006 Honda CR-V SE
2003-2005 Honda Civic DX
2003-2005 Honda Civic EX
2003-2005 Honda Civic GX
2003-2005 Honda Civic HX
2003-2005 Honda Civic Hybrid
2003-2005 Honda Civic LX
2003-2005 Honda Civic Si
2004-2005 Honda Civic Value Package
2005 Honda Civic EX Special Edition

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