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Your cart is empty.An ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicle’s original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This original equipment engine coolant thermostat has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Melvin Jr
2025-09-06 10:57:18
An AC Delco for such a great price. It's OEM quality and fits perfectly. If you know how to do it, install was easy and helped the heating and cooling. Performs well.
Joel Mcgregor
2025-08-29 18:44:40
I've had a lot of problems with aftermarket thermostats so I bought this GM one. It works perfect so far. I've got about 3000 miles on it. I replaced an unknown brand aftermarket one that the previous owner installed. It was too cold but was working.
K Z
2025-08-27 11:13:18
Direct replacement. Has been good so far.
sc2919
2025-08-05 17:43:54
Great
michell
2025-05-17 18:23:22
Not the correct size, even though I have the exact make and model in Amazon and it said it would fit!!!!
Jeff
2025-04-30 15:54:13
Good quality, just what I would expect from GM, fixed my cold running engine. Old one was stuck open.
Elias
2025-01-23 11:56:21
Great service
Ray
2024-12-15 18:07:39
Perfect fit for my 2002 GMC HD2500 8.1.
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