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Tell Us More About Your Pontiac Sunfire. View all models

AutoZone carries hundreds of thousands of parts and accessories.

Select your Year, Make, Model and Engine to find those that fit your vehicle.

When your Sunfire starts to overheat, it's a problem that you want to get fixed as soon as possible. It's most likely that this issue is happening because of an issue with the Pontiac Sunfire thermostat. Fortunately, this is an easy fix when you shop with AutoZone.

Show of 15  Results
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  •  | Page 1 of 2 |  
  • Part Number: 7203-180
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 7474-180
  • Warranty: Limited Lifetime
  • Application: OE recommended temperature
  • Notes: Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 7203-160
  • Warranty: 1 YR
  • Application: Alternate temperatures
  • Notes: 160 °F (71 °C)
    Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 7474-180
  • Warranty: Limited Lifetime
  • Application: OE recommended temperature
  • Notes: Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 4028
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
  • Part Number: 15848
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
  • Part Number: 4028
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
  • Part Number: 4698
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Seal included
  • Part Number: 4698
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Seal included
  • Part Number: 4698
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Seal included
  • Part Number: 4698
  • Warranty: 1 YR
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Seal included
  • Part Number: 3846
  • Warranty: 1 YR
  • Application: Alternate temperatures
  • Notes: 160 °F (71 °C)
  •  | Page 1 of 2 |  

Overheating often occurs when the coolant is not running through the radiator to cool the engine. The thermostat is what regulates the coolant, so if it isn't flowing properly, then the thermostat is probably stuck closed. At this point, you need to look into thermostat replacement for Pontiac Sunfire. Changing out Sunfire thermostats isn't hard, so just head to AutoZone for the part you need. AutoZone provides the right products at the right prices and trustworthy advice provided by helpful staff to get you on your way to fixing up your Sunfire without breaking your budget.

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