Chevrolet Cobalt Thermostat

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    About Chevrolet Cobalt Thermostat

    Your Cobalt proves that the best things in life often come in small packages. There's no other car you'd choose to enjoy your years with. However, there's trouble with your Chevrolet Cobalt thermostat if you hear a sound like a steam pipe knocking. When you need a durable replacement, AutoZone has you covered.

    The purpose of Cobalt thermostats is to maintain engine temperature. When a thermostat becomes damaged, engine overheating occurs because coolant has not been circulating through the engine block. In the winter, a faulty thermostat also keeps your heater from working. Naturally, engine overheating is no fun, so look at AutoZone for a thermostat replacement for Chevy Cobalt. If you have questions, don't hesitate to ask our trustworthy staff. Take advantage of Same Day Store Pickup when you order online and stop by your favorite location to pick up your thermostat. Or, choose home shipping.



    Reviews for

    Duralast Thermostat 4698/2006 Chevrolet Cobalt LT


    in a year

    The DTC P0128 was scanned when my check engine light illuminated. After checking the mileage, 118,494, I determined that the thermostat has never been replaced. I have not had any issues with overheating and the light would turn off by itself after a couple days. But I knew it was time to replace it before it gets worse. After replacing the thermostat and adding the correct amount of 50/50 DEX-COOL, I turned on the engine and checked for leaks. The engine warmed to operating temperature with no issues and I test drove it around town for an hour. The check engine light has stayed off during that time and my thermostat was operating has it should be. I have had issues with Duralast branded electronics but there thermostat’s should be fine for what my little engine needs.

    What kind of vehicle do you drive? 2006 Chevrolet Cobalt LT

    Reviews for

    Fixed temp readout (---°F), no AC, and weak heat


    in 3 years

    Replaced once in June 2020, replacement had pinched its own valve seal for some reason - (mixing green and orange coolant, perhaps? )...this fixed the problem, and only time will tell if it holds up better than the last (also flushed coolant and switched back to orange Dexcool)

    What kind of vehicle do you drive? 2008 Chevrolet Cobalt Coupe LT 2.2 Ecotec