Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat

$89.95

Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit.

Racing Thermostat, Low-Temp, fits Toyota 4Runner 4.0L 2003-2024

Features

  • The lower activation temperature allows coolant to flow through the engine earlier, which reduces and maintains lower engine temperatures. (71C/160F compared to the factory thermostat at 82C/180F)
  • Ideal for use in hot climates, on modified vehicles, or in extreme towing/driving conditions
  • Stock-style housing includes pre-installed low-temperature thermostat for easy install

Brand: Mishimoto
Manufacturer part number: MMTS-4RUN40-03
Turn14 part number: misMMTS-4RUN40-03
Category: Cooling / Thermostats

Fitment

  • Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat
  • Racing Thermostat, Low-Temp, fits Toyota 4Runner 4.0L 2003-2024

Always verify fitment for your exact year, make, model, and engine before ordering.

California Proposition 65: WARNING: This product can expose you to chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit.

Racing Thermostat, Low-Temp, fits Toyota 4Runner 4.0L 2003-2024

Features

  • The lower activation temperature allows coolant to flow through the engine earlier, which reduces and maintains lower engine temperatures. (71C/160F compared to the factory thermostat at 82C/180F)
  • Ideal for use in hot climates, on modified vehicles, or in extreme towing/driving conditions
  • Stock-style housing includes pre-installed low-temperature thermostat for easy install

Brand: Mishimoto
Manufacturer part number: MMTS-4RUN40-03
Turn14 part number: misMMTS-4RUN40-03
Category: Cooling / Thermostats

Fitment

  • Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat
  • Racing Thermostat, Low-Temp, fits Toyota 4Runner 4.0L 2003-2024

Always verify fitment for your exact year, make, model, and engine before ordering.

California Proposition 65: WARNING: This product can expose you to chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.