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1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc

1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc
1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc
$175.99 ea
NEWARRIVING SOONEstimated Ship Date 05/04/2026 (If Ordered Today)47 Available from our supplier as of 04/14/2026
Model: 3960839
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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GM style 9" single diaphragm brake booster. This Delco style brake booster will work on a variety of 1964-74 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, deep and shallow style master cylinder push rods, master cylinder retaining nuts and dust boot.

Specifications:

  • Brake Booster Diameter: 9" Single
  • Brake Booster Type: Vacuum Diaphragm
  • Brake Booster Finish: Yellow Zinc plated
  • 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
  • 1964-1969 Special
  • 1964-1972 Sportwagon

Chevrolet Applications:

  • 1967-1969 Camaro
  • 1964-1972 Chevelle
  • 1964-1972 El Camino
  • 1964-1967 Malibu
  • 1970-1972 Monte Carlo
  • 1968-1974 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

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 Apollo 1973 - 1974
Buick Skylark 1964 - 1972
Buick Special 1964 - 1969
Buick Sportwagon 1964 - 1972
Chevrolet Camaro 1967 - 1969
Chevrolet Chevelle 1964 - 1972
Chevrolet Chevy II 1962 - 1968
Chevrolet El Camino 1964 - 1972
Chevrolet Malibu 1964 - 1967
Chevrolet Monte Carlo 1970 - 1972
Chevrolet Nova 1969 - 1974
Oldsmobile 442 1964 - 1971
Oldsmobile 98 1972
Oldsmobile Cutlass Supreme 1967 - 1972
Oldsmobile Cutlass 1964 - 1972
Oldsmobile F85 1964 - 1972
Oldsmobile Omega 1973 - 1974
Oldsmobile Vista Cruiser 1964 - 1972
Pontiac Firebird 1967 - 1969
Pontiac GTO 1964 - 1972
Pontiac LeMans 1964 - 1972
Pontiac Tempest 1964 - 1970
Pontiac Ventura 1973 - 1974

Specifications:

Height 11 in
Length 9 in
Weight 12 lbs
Width 9 in

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1964-74 9" Power Brake Booster, Single Diaphragm, GM Delco Style, Gold Zinc: