Buick Park Avenue Engine Cylinder Head

Replacement Parts

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With its top-of-the-line V6 engine, your Buick Park Avenue is a luxury sedan that exemplifies the pinnacle of class and style. Don't let its performance be hampered by having a malfunctioning Buick Park Avenue cylinder head when replacements can easily be found at your local AutoZone.

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  •  | Page 1 of 3 |  
  • Part Number: 2B45
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN #is required to ensure that the correct part is shipped. Complete Head with Valves and Springs. Block Cast #674. Crank Cast #4737. Left Head Cast #619, 136, 250, 485, 723. Right Head Cast #619, 136, 250, 485, 723. 3/4" Vent Hole at Left on Intake Side. Bolt Down Rockers, 3/8-16 Thread, 6 Holes. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: 2B45
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN # is required to ensure that the correct part is shipped. Complete With Valves and Springs. Block Cast #674. Crank Cast #4737. Left Head Cast #619, 136, 250, 485, 723. Right Head Cast #619, 136, 250, 485, 723. Bolt Down Rockers, 3/8-16 Thread, 6 Holes. 3/4" Vent Hole at Left on Intake Side. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: 2B55
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN #is required to ensure that the correct part is shipped. Complete Head with Valves and Springs. Block Cast #24502287. Crank Cast #2170. Left Head Cast #4781, 478, 2261. Right Head Cast #4781, 478, 2261. 5/16"x 18 Thread for Roller Rockers - Not Included. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: 2B51
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN #is required to ensure that the correct part is shipped. Complete Head with Valves and Springs. Block Cast #134, 441. Crank Cast #4737. Left Head Cast #2136. Right Head Cast #2136. 3/4" Vent Hole on Left Intake Side. 5/16" Bolt Holes for Rockers. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: 2B62
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN #is required to ensure that the correct part is shipped. Complete Head with Valves and Springs. Block Cast #24506029. Crank Cast #2170. Left Head Cast #4781. Right Head Cast #4781. Injectors in Head. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: 2B55
  • Warranty: 1 YR
  • Notes: Fits both sides
    The VIN #is required to ensure that the correct part is shipped. Complete Head with Valves and Springs. Block Cast #24502287. Crank Cast #2170. Left Head Cast #4781, 478, 2261. Right Head Cast #4781, 478, 2261. 5/16"x 18 Thread for Roller Rockers - Not Included. *** Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance ***.
  • Part Number: AC178C4
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 Fuel Injectors in head. "Please call for customer service and availability at 1-800-356-4889".
  • Part Number: AC178C3
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 3/8 rocker stud holes. "Please call for customer service and availability at 1-800-356-4889".
  • Part Number: AC178C4
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 Fuel Injectors in head. "Please call for customer service and availability at 1-800-356-4889".
  • Part Number: AC178C11
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 5/16 rocker stud holes. "Please call for customer service and availability at 1-800-356-4889".
  • Part Number: AC178C4
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 Fuel Injectors in head. "Please call for customer service and availability at 1-800-356-4889".
  • Part Number: AC178C11
  • Warranty: 2 years
  • Notes: The VIN# is required to ensure that the correct part is shipped. Sold without cams. Casting #2136 5/16 rocker stud holes. "Please call for customer service and availability at 1-800-356-4889".
  •  | Page 1 of 3 |  

Your engine cylinder head for Buick Park Avenue is a vital component in the formation of your vehicle's combustion chamber. Without the cylinder head, certain symptoms develop that negatively impact your sedan's ability to drive. One symptom of a faulty cylinder head is coolant leaking from the coolant system, which causes the oil to turn cloudy. AutoZone provides the right products at the right prices, so you can rest assured that you're scoring the best deals in the industry when you shop with us. You can even browse our wide online assortment and benefit from perks like Free Shipping on orders of $75 or more.

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