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Tell Us More About Your GMC Sierra 1500. View all models

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Your GMC Sierra 1500 is tough, so you'll want to invest in only the toughest – and reliable – under-hood parts money can buy. Sometimes you need to replace your radiator cap if the old one is faulty or you want a tighter seal. Sierra 1500 radiator caps from AutoZone are fast and easy to install.

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  • Part Number: 7046
  • Notes: Standard
    Reservoir Cap. Relief Pressure: 15 lb.
  • Part Number: 2471S
  • Notes: Silver
    Thermocap(TM) OEM Replacement with thermometer built in 16 psi.
  • Part Number: 7062
  • Notes: Standard
    Reservoir Cap. Relief Pressure: 20 lb.
  • Part Number: 13502353
  • Notes: GM Original Equip.
    Engine coolant recovery tank cap
  • Part Number: RC98
  • Notes: GM Original Equip.
    Engine coolant recovery tank cap. 15 PSI. Dual o-ring
  • Part Number: 54218
  • Notes: Coolant recovery tank cap
  • Part Number: 82597
  • Notes: Coolant recovery tank cap
  •  | Page 1 of 1 |  

A new GMC Sierra 1500 radiator cap is removable to allow easy access to your coolant. Even if you don't have a lot of car repair experience you're able to do the job. A brand-new cap offers a tighter, more secure seal and prevents your radiator from overheating and fluid from seeping out. AutoZone offers Same Day Store Pickup and our helpful staff provides you with trustworthy advice on every item you're thinking of buying.

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