Low-Temp Racing Thermostat, fits Toyota 4Runner 4.0L 2003+
- Direct fit for 2003+ Toyota 4Runner 4.0L
- Stock-style housing includes pre-installed low-temperature thermostat for easy install
- 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
- Mishimoto Lifetime Warranty

PRODUCT FEATURES
- Direct fit for 2003+ Toyota 4Runner 4.0L
- Stock-style housing includes pre-installed low-temperature thermostat for easy install
- 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
- Mishimoto Lifetime Warranty
Description
Purchase Includes
(1) Thermostat Housing w/ O-Ring
Mishimoto Lifetime Warranty
Applications | 2003+ Toyota 4Runner 4.0L V6 (1GR-FE) 2007-2014 Toyota FJ Cruiser 4.0L V6 (1GR-FE) 2005-2015 Toyota Tacoma 4.0L V6 (1GR-FE) 2005-2014 Toyota Tundra 4.0L V6 (1GR-FE) |
---|---|
Engine Codes | 4.0L V6 |
Mishimoto Activation Temperature (F) | 160 |
OEM Activation Temperature (F) | 180 |
Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.
For our complete warranty policy, please click here.





