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.
- 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
Fitment:
Toyota 4Runner Limited 2003 to 2021
Toyota 4Runner Nightshade 2020 to 2021
Toyota 4Runner Sport 2003 to 2009
Toyota 4Runner SR5 2003 to 2021
Toyota 4Runner SR5 Premium 2018 to 2021
Toyota 4Runner Trail 2010 to 2016
Toyota 4Runner Trail 2021
Toyota 4Runner TRD Off-Road 2017 to 2021
Toyota 4Runner TRD Off-Road Premium 2018 to 2021
Toyota 4Runner TRD Pro 2015 to 2021
Toyota 4Runner Venture 2020 to 2021
Toyota FJ Cruiser Base 2007 to 2014
Toyota FJ Cruiser Trail Teams Special Edition 2008
Toyota FJ Cruiser TRD Special Edition 2007
Toyota Tacoma Base 2005 to 2008
Toyota Tacoma Pre Runner 2005 to 2008
Toyota Tacoma X-Runner 2005 to 2008
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