Replacement Parts

 

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Tell Us More About Your GMC C1500. View all models

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Your good old C1500 is a reliable workhorse of a truck, valued for its capacity. But its comfort is nice, too. So, when the heater isn't working or your windows don't defrost, it's a lot less comfortable and reliable. Chances are it's time to replace your GMC 1500 heater core.

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  • Part Number: 399077
  • Application: With A/C
  • Notes:
  • Part Number: 399079
  • Application: Without A/C
  • Notes:
  • Part Number: 398240
  • Application: With A/C
  • Notes:
  • Part Number: 398241
  • Application: Without A/C
  • Notes:
  • Part Number: 98553
  • Application: Without A/C
  • Notes:
  • Part Number: 90483
  • Application: With A/C
  • Notes:
  •  | Page 1 of 1 |  

A grid of small tubes known as the heater core sends heat through your vehicle's cooling system to warm the cabin and defrost the windows. When the core leaks, you don't get the heat you need. It also results in other problems, like coolant leaking into your cabin. Find C1500 heater cores at AutoZone, providing the right products at the right prices so you can keep your repair costs low. You can even use our Loan-a-Tool Program to borrow the tools that you need.

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Core return policy

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