Replacement Parts


AutoZone® Rewards℠

Join Today and Earn a $20 Reward When You Make 5 Purchases of $20 or More!

Tell Us More About Your Buick Century. View all models

AutoZone carries hundreds of thousands of parts and accessories.

Select your Year, Make, Model and Engine to find those that fit your vehicle.

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.

Show of 42  Results
  •  | Page 1 of 4 |  
  • Part Number: EGR1147
  • Notes:
  • Part Number: EGR163
  • Notes:
  • Part Number: EGR166
  • Notes: OEM #17083819, 17084706. With closed loop emissions.
  • Part Number: EGR124
  • Application: With California emission
  • Notes: With high altitude emission
  • Part Number: EGR1105
  • Application: With Federal emission
  • Notes:
  • Part Number: EGR4461
  • Notes:
  • Part Number: EGR106
  • Notes:
  • Part Number: EGR112
  • Application: With Federal emission
  • Notes:
  • Part Number: EGR132
  • Application: With California emission
  • Notes:
  • Part Number: EGR179
  • Notes: O.E.M. #17062976, 17063981
  • Part Number: EGR128
  • Application: With California emission
  • Notes:
  • Part Number: EGR140
  • Application: With automatic transmission
  • Notes: Air induction
  •  | Page 1 of 4 |  

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.

Other Customers Also Viewed



Buy online and return core parts to the store to be refunded the price.
Core Parts Policy

Core return policy


On Orders $75 or Greater
and free shipping to APO, FPO, DPO addresses.
Get More Details

Free shipping policy


Buy Online, Return
Get More Details



Save time by buying online and picking up items in store.
Learn More

Same day store pickup
Payment Methods: