Engine Coolant Temperature Sensor (99-18 V8 Sierra 1500; 14-18 4.3L Sierra 1500)Find parts that fit my vehicle

Quicker Warm-Up. Precision-engineered with a 160-degree Fahrenheit rating, this Thermostat is designed to accelerate the time it takes for your 1999-2018 V8 GMC Sierra 1500 and 2014-2018 4.3L GMC Sierra 1500's engine to reach its optimal operating temperature. This swift attainment of the ideal heat level not only unlocks enhanced engine performance but also plays a vital role in minimizing wear and tear on crucial engine components over the long term.

Leak-Proof Installation. Experience hassle-free installation with the Thermostat's integrated seal. This thoughtful design eliminates the complexities and potential for messy leaks often associated with fitting a separate gasket. The pre-installed seal ensures a secure and dependable fit right from the moment you take the Thermostat out of its packaging.

Guardian of Consistent Engine Temperatures. The Thermostat acts as a critical regulator of coolant flow within your engine, diligently working to ensure it consistently operates within its ideal temperature range. This precise temperature management is paramount in preventing the damaging effects of overheating and simultaneously ensuring efficient combustion.

Boosting Miles Per Gallon. By enabling your engine to reach its optimal operating temperature more efficiently, the Thermostat can contribute to noticeable improvements in your vehicle's fuel economy. When the engine operates within its most efficient temperature range, it burns fuel more effectively, translating to fewer trips to the pump and more savings for you.

Installation. Putting this Engine Coolant Temperature Sensor on your ride takes 15 minutes to install.

Application. The Engine Coolant Temperature Sensor fits 1999-2018 V8 GMC Sierra 1500 and 2014-2018 4.3L GMC Sierra 1500 models.

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