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OER 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Black PB1086B

OER 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Black PB1086B
$211.99 ea
NEWARRIVING SOONEstimated Ship Date 11/12/2021 (If Ordered Today)4 available from OER as of 08/23/2021
Model: 3958892
As of 3/23/2021 OER continues to experience delays in shipments of up to 45 days.  If you purchase this product and we do not have it in stock, your order may be delayed.  Please contact us to find out available options.    
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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9" Power Brake Booster; Single Diaphragm; GM Delco Style; Black

GM style 9" single diaphragm brake booster. This Delco style brake booster will work on a variety of 1964-72 GM models (but is original style for 1964-66 models). Includes the brackets to bolt directly to the firewall on a wide variety of Chevrolet, Buick, Oldsmobile, and Pontiac models (as listed) or can be installed on custom applications where space is at a premium. Includes clevis, push rod extension, nuts, washers, & dust boot.


  • Brake Booster Diameter: 9" Single
  • Brake Booster Type: Vacuum Diaphragm
  • Brake Booster Finish: Black
  • Mounting Pattern: Bracket
  • Master cylinder mounting stud size: 3/8"-18
  • Master cylinder measurements: 3-3/8" center-to-center

Buick Applications:

  • 1964-1972 Skylark
  • 1964-69 Special
  • 1964-72 Sportwagon

Chevrolet Applications:

  • 1967-69 Camaro
  • 1964-1972 Chevelle
  • 1964-1972 El Camino
  • 1964-67 Malibu
  • 1970-72 Monte Carlo
  • 1968-74 Chevy II/Nova

Oldsmobile Applications:

  • 1964-1971 442
  • 1964-72 Cutlass
  • 1964-72 F85
  • 1964-72 Vista Cruiser

Pontiac Applications:

  • 1967-69 Firebird
  • 1964-72 GTO
  • 1964-72 Lemans
  • 1964-70 Tempest

About OER

OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.

Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Buick Skylark 1967 - 1972
Chevrolet Chevelle 1967 - 1972
Chevrolet El Camino 1967 - 1972
Chevrolet Malibu 1967
Oldsmobile Cutlass 1967 - 1972
Pontiac GTO 1967 - 1972


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OER 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Black PB1086B:
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Chevelle Depot 2021