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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 3 |  
  • Part Number: B434
  • Application: Without engine oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately. 20 3/4" Between Tanks. With transmission oil cooler
  • Part Number: A161
  • Notes: Does NOT include Radiator Cap. Purchase separately. 28-1/4" x 17-1/4" x 1-1/4" Core. With or Without A/C. With 8-1/2 TOC (Transmission Oil Cooler. Center to Center). Without EOC (Engine Oil Cooler). Replaces OEM 3 Rows Core.
  • Part Number: A1791
  • Application: With automatic transmission
    Without engine oil cooler
    28 1/4" core between tanks
  • Notes: Does NOT include Radiator Cap. Purchase separately; With transmission oil cooler
  • Part Number: A415
  • Notes: Does NOT include Radiator Cap. Purchase separately. 26-1/4" x 17" Core. With or Without A/C. (Replaces OEM With 2 Row Core). With TOC (Transmission Oil Cooler). Without EOC (Engine Oil Cooler).
  • Part Number: A955
  • Application: With engine oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately. 20 3/4" between tanks.
  • Part Number: A391
  • Notes: Does NOT include Radiator Cap. Purchase separately. 34" x 17" core.
  • Part Number: B729
  • Notes: Replaces O.E.M. 3 row core. Does NOT include Radiator Cap. Purchase separately.
  • Part Number: B1599
  • Application: With A/C or heavy duty cooling
    With transmission oil cooler
  • 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; Without engine oil cooler
  • Part Number: B2315
  • Application: With manual transmission
    With engine oil cooler
  • Notes: Standard cooling
    34" between tanks. Does NOT include radiator cap. Purchase separately.
  • Part Number: B1790
  • Application: With automatic transmission
    With engine oil cooler
  • Notes: Does NOT include Radiator Cap. Purchase separately. 28-1/4" between tanks. With transmission oil cooler.
  • Part Number: B730
  • 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: C1523
  • Notes: Without Engine Oil Cooler. Does NOT include Radiator Cap. Purchase separately.
  •  | Page 1 of 3 |  

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 Same-Day Store Pick-up if you need your new radiator right away.

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