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Tell Us More About Your Buick Century. View all models

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Your Buick Century is known for its timeless and enduring appeal. Keep it running properly with a Buick Century EGR valve replacement from AutoZone. The exhaust gas recirculation valve improves your engine's efficiency by sending unused fuel back into your cylinders before it exits your vehicle as exhaust.

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  •  | Page 1 of 7 |  
  • Part Number: EGR4477
  • Warranty: Limited Lifetime
  • Application: With Federal emission
  • Notes: Single exhaust
  • Part Number: EGR132
  • Warranty: Limited Lifetime
  • Application: With California emission
  • Notes:
  • Part Number: EGR4466
  • Warranty: Limited Lifetime
  • Application: With automatic transmission
    With California emission
  • Notes: Single exhaust
  • Part Number: EGR112
  • Warranty: Limited Lifetime
  • Application: With Federal emission
  • Notes:
  • Part Number: EGR4466
  • Warranty: Limited Lifetime
  • Application: With automatic transmission
  • Notes: With high altitude emission
  • Part Number: EGR4476
  • Warranty: Limited Lifetime
  • Application: With Federal emission
  • Notes: O.E.M. #17064939, 17070188, 17075656
  • Part Number: EGR4477
  • Warranty: Limited Lifetime
  • Application: With manual transmission
  • Notes:
  • Part Number: EGR140
  • Warranty: Limited Lifetime
  • Application: With automatic transmission
  • Notes: Air induction
  •  | Page 1 of 7 |  

Your Century is going to stay on the road for a long time if you give it the care and attention that it deserves. Century EGR valves eventually get clogged with carbon build-up from the combustion cycle and need replacement to ensure that your engine performs properly. Drop by your local AutoZone location to speak with our helpful staff and learn more about these EGR valves. Or, shop with us online and enjoy Same-Day Store Pickup or Free Shipping on any purchase of $75 or more to score extra savings.

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