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Tell Us More About Your GMC K1500. View all models

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Your GMC K1500 naturally gets hot under the hood when it works hard. Make sure that your GMC K1500 radiator is the proper model and is correctly maintained to prevent engine damages caused by overheating.

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  •  | Page 1 of 9 |  
  • Part Number: A161
  • Warranty: Limited Lifetime
  • Notes: Does NOT include Radiator Cap. Purchase separately. 28-1/4" x 17" Core. With or Without A/C; With Transmission Oil Cooler; Without engine oil cooler
  • Part Number: B1599
  • Warranty: Limited Lifetime
  • Application: With A/C or heavy duty cooling
  • Notes: Does NOT include Radiator Cap. Purchase separately. With 28-1/4" x 19-3/16" x 1-1/4" core; Replaces OEM 3 row core; w/ Transmission Oil Cooler; With engine oil cooler
  • Part Number: B840
  • Warranty: Limited Lifetime
  • Application: Without A/C
    With transmission oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately; With 28-1/4" x 17" x 1-1/4" core; Without engine oil cooler
  • Part Number: B730
  • Warranty: Limited Lifetime
  • Notes: Does NOT include Radiator Cap. Purchase separately. With transmission oil cooler; Without engine oil cooler; 28-3/8" x 20-1/4" x 2-1/4" core; Replaces OEM 4 row core; With A/C or heavy duty cooling
  • Part Number: B622
  • Warranty: Limited Lifetime
  • Application: With engine oil cooler
    28 1/4" core between tanks
  • Notes: Heavy duty cooling
    Does NOT include Radiator Cap. Purchase separately
  • Part Number: A955
  • Warranty: Limited Lifetime
  • Application: With engine oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately. 20 3/4" between tanks.
  • Part Number: B677
  • Warranty: Limited Lifetime
  • Application: With engine oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately. 20 3/4" between tanks.
  • Part Number: B730
  • Warranty: Limited Lifetime
  • Application: With A/C or heavy duty cooling
  • Notes: Does NOT include Radiator Cap. Purchase separately. With transmission oil cooler; Without engine oil cooler; 28-3/8" x 20-1/4" x 2-1/4" core; Replaces OEM 4 row core
  • Part Number: A161
  • Warranty: Limited Lifetime
  • Notes: Does NOT include Radiator Cap. Purchase separately. 28-1/4" x 17" Core. With or Without A/C; With Transmission Oil Cooler; Without engine oil cooler
  • Part Number: A161
  • Warranty: Limited Lifetime
  • Notes: Does NOT include Radiator Cap. Purchase separately. 28-1/4" x 17" Core. With or Without A/C. With transmission oil cooler. Without engine oil cooler
  • Part Number: B677
  • Warranty: Limited Lifetime
  • Application: With engine oil cooler
    20 3/4" core between tanks
  • Notes: Does NOT include Radiator Cap. Purchase separately
  • Part Number: B840
  • Warranty: Limited Lifetime
  • Application: With automatic transmission
    Without A/C
  • Notes: Does NOT include Radiator Cap. Purchase separately; Without engine oil cooler; With transmission oil cooler; With 28-1/4" x 17" x 1-1/4" core
  •  | Page 1 of 9 |  

Your K1500 has been on the road for a long time, and taking care of its radiator ensures that it has many more years and miles to go. K1500 radiators must be drained, flushed and refilled often to prevent corrosion and rust. Adding the right amount of antifreeze averts engine failure and keeps your cooling system running smoothly. Get everything you need for your next upgrade from AutoZone, where we have the right products at the right prices. Shop online and enjoy Free Shipping on all orders of $75 and up or take advantage of Same-Day Store Pick-up if you need your new radiator right away.

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