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2016 Toyota 4Runner Thermostat
The 2016 4Runner thermostat keeps tabs on the heat in the engine so that the cooling system can do its work. If this part isn't functioning correctly, your temp gauge won't have the right info, and your cooling system might not be able to keep the engine from overheating. Eligible 2016 Toyota 4Runner thermostats come with Free Next Day Delivery when you buy online.