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1967-73 GM, Ford, Master Cylinder Cover Diaphragm, Single Bail, For 2-3/8" x 4-7/8" Lid, Various Models

1967-73 GM, Ford, Master Cylinder Cover Diaphragm, Single Bail, For 2-3/8" x 4-7/8" Lid, Various Models
1967-73 GM, Ford, Master Cylinder Cover Diaphragm, Single Bail, For 2-3/8" x 4-7/8" Lid, Various Models
$9.99 ea
NEWARRIVING SOONEstimated Ship Date 05/05/2026 (If Ordered Today)849 Available from our supplier as of 04/16/2026
Model: 3448386
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Replacement rubber diaphragm for master cylinder cover and other single bail covers from the 1960's and 1970's era. Fits many drum brake master cylinders that require a 2-3/8" x 4-7/8" single bail lid. See listings below for partial fitment data.

Chevrolet Applications:

  • 1967-1969 Chevrolet Impala, Bel Air, Biscayne, Caprice
  • 1967-1970 Chevrolet Camaro
  • 1967-1970 Chevrolet Chevy II Nova

Pontiac Applications:

  • 1967-1970 Pontiac Grand Prix
  • 1967-1970 Pontiac Firebird
  • 1967-1970 Pontiac Bonneville/Catalina
  • 1967-1972 Pontiac Tempest/Lemans/GTO

Ford Applications:

  • 1967-1969 Ford Fairlane
  • 1967-1971 Ford Galaxie
  • 1967-1970 Ford Falcon
  • 1970-1971 Ford Torino
  • 1967-1973 Ford Mustang

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
Chevrolet Bel Air 1967 - 1969
Chevrolet Biscayne 1967 - 1969
Chevrolet Brookwood 1969
Chevrolet Camaro 1967 - 1970
Chevrolet Caprice 1967 - 1969
Chevrolet Chevy II 1967 - 1968
Chevrolet Estate 1969
Chevrolet Impala 1967 - 1969
Chevrolet Kingswood 1969
Chevrolet Nova 1969 - 1970
Chevrolet Townsman 1969
Ford Fairlane 1967 - 1969
Ford Falcon 1967 - 1970
Ford Galaxie 1967
Ford Mustang 1967 - 1973
Ford Torino 1970 - 1971
Pontiac Bonneville 1967 - 1970
Pontiac Catalina 1967 - 1970
Pontiac Firebird 1967 - 1970
Pontiac GTO 1967 - 1972
Pontiac Grand Prix 1967 - 1970
Pontiac LeMans 1967 - 1972
Pontiac Tempest 1967 - 1970

Specifications:

Height 7 in
Length 1 in
Weight 1 lbs
Width 4 in

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1967-73 GM, Ford, Master Cylinder Cover Diaphragm, Single Bail, For 2-3/8" x 4-7/8" Lid, Various Models:
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