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Tell Us More About Your GMC K1500. View all models

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Rugged and brawny, your hardworking GMC K1500 is the ride you count on for all your tough jobs, but a malfunctioning heater core results in a cold cabin and foggy windows making the tough jobs that much more difficult. Install a new, reliable GMC K1500 heater core from AutoZone to restore your truck's defroster and heater.

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  •  | Page 1 of 4 |  
  • Part Number: 398241
  • Warranty: Limited Lifetime
  • Application: Without A/C
  • Notes:
  • Part Number: 399079
  • Warranty: Limited Lifetime
  • Application: Without A/C
  • Notes:
  • Part Number: 399079
  • Warranty: Limited Lifetime
  • Application: Without A/C
  • Notes:
  • Part Number: 398241
  • Warranty: Limited Lifetime
  • Application: Without A/C
  • Notes:
  •  | Page 1 of 4 |  

K1500 heater cores are an essential part of your truck's cooling system and a faulty one usually means there's a leak. If your windows are fogging up and you smell something sweet inside your truck, it's time to get a heater core replacement for GMC K1500. Our premium products are long lasting and stand up to the wear and tear of daily driving. Visit your neighborhood AutoZone and discover the convenience of free battery charging, engine diagnostic testing and Same Day Store Pickup (in most cases) when you order online.

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ABOUT CORE PARTS

Buy online and return core parts to the store to be refunded the price.
Core Parts Policy

Core return policy

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