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

In stock
Regular price $158.00
Product INFO
  • Vendor Mishimoto
  • SKU T14.200391
  • Barcode MMTS-4RUN40-03
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Manufacturer Part # : MMTS-4RUN40-03


Market Description

A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 2003-2024 Toyota 4Runner 4.0L cooling system with a Mishimoto Low-Temperature Racing Thermostat and housing! This thermostat is designed as a direct-fit replacement for your aged stock unit. The Mishimoto thermostat has a lower activation temperature (71?C/160?F) compared to the factory thermostat (82?C/180?F). The lower activation temperature allows coolant to flow through the engine earlier, which reduces and maintains lower engine temperatures. This thermostat is ideal for use in warmer climates, on vehicles making more power than stock, or under extreme towing/driving conditions. The stock-style housing will provide a proper seal and installs easily. Like all our Toyota Performance parts, this thermostat and housing includes the Mishimoto Lifetime Warranty.

Product Description - Extended

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.

Features and Benefits

  • 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

Product Description - Short

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

Product Description - Long

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

AAIA Part Type Description

Engine Coolant Thermostat

Product Description - Invoice

Mishimoto MMTS-4RUN40-03