Replacement Parts


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Your GMC Sierra is made for the toughest tasks that you throw at it, but that doesn't mean that it doesn't get a little hot under the hood when it's working hard. A radiator for GMC Sierra from AutoZone ensures that your truck's vital systems stay cool and healthy as it works. This integral part of the cooling system prevents damage to your engine, due to overheating.

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  • Part Number: B2423
  • Application: Without engine oil cooler
  • Notes: No radiator cap required; With 34" between tanks; With transmission oil cooler
  • Part Number: B2370
  • Application: With engine oil cooler
  • Notes: No radiator cap required; With 34" x 17-1/2" x 1" core; With transmission oil cooler
  • Part Number: B13398
  • Notes: Does NOT include radiator Cap. Purchase separately. With Max Trailer Package
  •  | Page 1 of 1 |  

Built for the long run, your Sierra is poised to be with you for a long time so make sure that you occasionally clean and update your GMC Sierra radiator to keep it healthy. It's also a good idea to flush out your entire cooling system frequently and inspect your radiator for leaks, corrosion and rust. Bring your truck into AutoZone to speak with knowledgeable staff to find the perfect radiator that fits your make and model Take advantage of our Same-Day Store Pick-up and receive free engine testing and battery charging while you shop as well.

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