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2018 GMC Acadia Thermostat

3 items

Upgrade your vehicle's thermostat with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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ÜRO Parts GM0720261 Engine Coolant Thermostat Housing Assembly, Water PumpÜRO Parts GM0720261 Engine Coolant Thermostat Housing Assembly, Water Pump
ÜRO PartsPart # GM0720261
ÜRO Parts GM0720261 Engine Coolant Thermostat Housing Assembly, Water Pump
52 Reviews
$45.99
Low stock: Only 4 left
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3-year warranty
90 days free return
Fits 2014-2017 Buick Regal, 2016-2020 Buick Envision, 2018-2020 Buick Regal Sportback, 2018-2020 Buick Regal TourX, 2013-2019 Cadillac ATS, 2014-2019 Cadillac CTS, 2016-2018 Cadillac CT6, 2013-2022 Chevrolet Malibu, 2014-2019 Chevrolet Impala, 2016-2016 Chevrolet Malibu Limited, 2016-2022 Chevrolet Camaro, 2018-2019 Chevrolet Traverse, 2018-2020 Chevrolet Equinox, 2019-2022 Chevrolet Blazer, 2017-2021 GMC Acadia, 2018-2021 GMC Terrain
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2018 GMC Acadia
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
item #1000ZSQ5
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Vemo V40-99-1103 Engine Coolant Thermostat Housing
VemoPart # V40-99-1103
Vemo V40-99-1103 Engine Coolant Thermostat Housing
57 Reviews
$80.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014-2017 Buick Regal, 2016-2017 Buick Envision, 2018-2018 Buick Envision, 2013-2017 Cadillac ATS, 2014-2014 Cadillac CTS, 2014-2014 Cadillac CTS, 2014-2014 Cadillac CTS, 2014-2014 Cadillac CTS, 2015-2017 Cadillac CTS, 2016-2016 Cadillac CT6, 2017-2017 Cadillac CT6, 2018-2018 Cadillac ATS, 2018-2018 Cadillac CT6, 2018-2018 Cadillac CTS, 2013-2016 Chevrolet Malibu, 2014-2015 Chevrolet Impala, 2014-2015 Chevrolet Malibu, 2015-2015 Chevrolet Malibu, 2016-2016 Chevrolet Malibu Limited, 2016-2017 Chevrolet Camaro
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2018 GMC Acadia
Item LocatedUnited States
Quantity1
Part interchange
V40-99-1103, 12651603, 1338392, 25201447
item #1001QQUE
Note
With seal
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Engine Coolant Thermostat Housing Assembly for Buick Regal 2014-2017 Chevy GMC
A-Premium®Part # APTHA0036
Engine Coolant Thermostat Housing Assembly for Buick Regal 2014-2017 Chevy GMC
4.682 Reviews
$40.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2016 - 2020 Buick Envision, 2017 - 2020 Buick Envision, 2014 - 2017 Buick Regal, 2018 - 2020 Buick Regal Sportback, 2018 - 2020 Buick Regal TourX, 2013 - 2019 Cadillac ATS, 2016 - 2018 Cadillac CT6, 2014 - 2019 Cadillac CTS, 2019 - 2022 Chevrolet Blazer, 2016 - 2022 Chevrolet Camaro, 2018 - 2020 Chevrolet Equinox, 2014 - 2019 Chevrolet Impala, 2013 - 2022 Chevrolet Malibu, 2015 - 2015 Chevrolet Malibu, 2016 - 2016 Chevrolet Malibu Limited, 2018 - 2019 Chevrolet Traverse, 2017 - 2021 GMC Acadia, 2018 - 2021 GMC Terrain
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2018 GMC Acadia
Item LocatedUnited States
Quantity1
Part interchange
902-2089, 12651603, 12679095, 25201447
item #1004T5N0
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What is an engine thermostat?

 While all engines can become too hot, if your thermostat isn't working correctly, your engine's well-being is at serious risk. The engine thermostat, often simply referred to as a thermostat, regulates the engine's operating temperature within an optimal range (typically around 195 to 220 degrees Fahrenheit).

How does a car thermostat work?

As a temperature-sensitive valve within the cooling system, a car thermostat responds to changes in coolant temperature. Understanding how it works by the following breakdown steps:

  • Closed position (cold start)

Initially closed to help the engine warm up quickly.

  • Heating up

The engine generates heat during operation.

  • Opening the thermostat

A temperature-sensitive element (usually wax) causes the thermostat to open gradually.

  • Coolant flow

When open, coolant flows from the engine to the radiator.

  • Maintaining optimal temperature

Adjusts coolant flow to maintain the ideal engine temperature.

  • Temperature regulation

Continuously adjusts to prevent overheating and ensure efficient operation.

Signs of a bad thermostat

  1. Overheating: The engine becomes excessively hot due to a stuck-closed thermostat.
  2. Low or fluctuating temperature: A thermostat stuck open results in a cooler engine, affecting fuel efficiency and heating.
  3. Temperature warning light: Illuminates to indicate engine overheating due to a faulty thermostat.
  4. Poor fuel efficiency: Stuck-open thermostat reduces fuel efficiency as the engine operates less efficiently at lower temperatures.
  5. Inadequate cabin heating: Insufficient cabin heating in cold weather with a thermostat that's stuck open.
  6. Coolant leaks: Gasket or sealing issues can lead to coolant leaks.
  7. Rapid temperature fluctuations: The gauge shows rapid swings between hot and cold.
  8. Engine running hot at idle: Higher engine temperature during idle or in traffic due to restricted coolant flow.
  9. Slow or inconsistent warm-up: Longer-than-normal warm-up times, even in moderate weather.
  10. Inconsistent heater operation: This affects the performance of the vehicle's heater, causing inconsistent or inadequate heating in cold weather.

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Jul 29, 2026