OER Master Cylinder Diaphragm

Part Number: 5455516-OER

OER Master Cylinder Diaphragm

Part Number: 5455516-OER

Original price was: $13.74.Current price is: $11.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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Master Cylinder Diaphragm

Reproduction master cylinder cover diaphragm for models with Delco Moraine style 3″ x 5-3/4″ master cylinder cover. Replaces OE #’s 5455516, 18060006.

Popular Applications:

  • 1967-69 Camaro with disc brakes
  • 1967-69 Chevelle with disc brakes
  • 1968-82 Corvette with disc brakes
  • 1967-69 El Camino with disc brakes
  • 1970-75 Camaro with manual disc brakes
  • 1967-69 Firebird with disc brakes
  • 1970-75 Firebird with manual disc brakes
  • 1971-72 Chevrolet / GMC 1/2-1 ton pickup
  • 1971-72 Chevrolet 1/2-1 ton Blazer
  • 1973-80 Chevrolet / GMC all 3/4-1 ton
  • 1976-80 Chevrolet 1/2 ton Suburban
  • 1967-80 Impala / full size with disc brakes
  • 1967-69 Chevy II / Nova with disc brakes

Buick Applications

  • 1970- 1970 Buick Electra
  • 1970- 1970 Buick Estate Wagon
  • 1970- 1970 Buick GS
  • 1968- 1969 Buick GS 350
  • 1968- 1969 Buick GS 400
  • 1970- 1970 Buick GS 455
  • 1982- 1985 Buick Regal
  • 1970- 1985 Buick Riviera
  • 1969- 1970 Buick Skylark
  • 1969- 1969 Buick Special
  • 1968- 1970 Buick Sportwagon
  • 1968- 1970 Buick Wildcat

Cadillac Applications

  • 1968- 1976 Cadillac Calais
  • 1968- 1976 Cadillac DeVille
  • 1968- 1985 Cadillac Eldorado
  • 1968- 1980 Cadillac Fleetwood
  • 1982- 1985 Cadillac Seville

Chevrolet Applications

  • 1967- 1970 Chevrolet Bel Air
  • 1967- 1970 Chevrolet Biscayne
  • 1969- 1970 Chevrolet Brookwood
  • 1967- 1975 Chevrolet Camaro
  • 1967- 1970 Chevrolet Caprice
  • 1967- 1970 Chevrolet Chevelle
  • 1967- 1968 Chevrolet Chevy II Nova
  • 1967- 1982 Chevrolet Corvette
  • 1969- 1970 Chevrolet Estate
  • 1967- 1970 Chevrolet Impala
  • 1969- 1970 Chevrolet Kingswood
  • 1970- 1970 Chevrolet Monte Carlo
  • 1969- 1970 Chevrolet Nova
  • 1969- 1970 Chevrolet Townsman

Chevrolet Truck Applications

  • 1971- 1972 Chevrolet Blazer
  • 1971- 1972 Chevrolet C10 Pickup
  • 1976- 1980 Chevrolet C10 Suburban
  • 1975- 1980 Chevrolet C20
  • 1971- 1974 Chevrolet C20 Pickup
  • 1976- 1980 Chevrolet C20 Suburban
  • 1975- 1981 Chevrolet C30
  • 1971- 1974 Chevrolet C30 Pickup
  • 1967- 1970 Chevrolet El Camino
  • 1976- 1980 Chevrolet K10 Suburban
  • 1975- 1980 Chevrolet K20
  • 1975- 1980 Chevrolet K20 Suburban
  • 1977- 1980 Chevrolet K30
  • 1973- 1974 Chevrolet K30 Pickup
  • 1971- 1981 Chevrolet Truck

Chevrolet Van Applications

  • 1979- 1980 Chevrolet G10
  • 1973- 1973 Chevrolet G10 Van
  • 1975- 1980 Chevrolet G20
  • 1973- 1974 Chevrolet G20 Van
  • 1975- 1984 Chevrolet G30
  • 1973- 1974 Chevrolet G30 Van
  • 1975- 1976 Chevrolet P10
  • 1973- 1974 Chevrolet P10 Van
  • 1975- 1989 Chevrolet P20
  • 1975- 1991 Chevrolet P30
  • 1973- 1974 Chevrolet P30 Van

GMC Truck Applications

  • 1976- 1976 GMC C15 Suburban
  • 1975- 1976 GMC C25
  • 1975- 1976 GMC C25 Suburban
  • 1975- 1976 GMC C35
  • 1973- 1974 GMC C35/C3500 Pickup
  • 1979- 1979 GMC C3500
  • 1983- 1984 GMC Caballero
  • 1976- 1978 GMC K15 Suburban
  • 1975- 1978 GMC K25
  • 1975- 1978 GMC K25 Suburban
  • 1979- 1980 GMC K2500
  • 1979- 1980 GMC K2500 Suburban
  • 1977- 1978 GMC K35
  • 1973- 1974 GMC K35/K3500 Pickup
  • 1979- 1980 GMC K3500
  • 1971- 1980 GMC Truck

GMC Van Applications

  • 1973- 1973 GMC G15/G1500 Van
  • 1979- 1980 GMC G1500
  • 1975- 1978 GMC G25
  • 1973- 1974 GMC G25/G2500 Van
  • 1979- 1980 GMC G2500
  • 1975- 1978 GMC G35
  • 1974- 1974 GMC G35/G3500 Van
  • 1979- 1984 GMC G3500
  • 1975- 1978 GMC P15
  • 1973- 1974 GMC P15/P1500 Van
  • 1979- 1980 GMC P1500
  • 1975- 1978 GMC P25
  • 1979- 1989 GMC P2500
  • 1975- 1978 GMC P35
  • 1973- 1974 GMC P35/P3500 Van
  • 1979- 1991 GMC P3500

Oldsmobile Applications

  • 1970- 1970 Oldsmobile 442
  • 1970- 1970 Oldsmobile 98
  • 1970- 1970 Oldsmobile Cutlass
  • 1970- 1970 Oldsmobile Cutlass Supreme
  • 1968- 1970 Oldsmobile F85
  • 1970- 1985 Oldsmobile Toronado
  • 1970- 1970 Oldsmobile Vista Cruiser

Pontiac Applications

  • 1968- 1970 Pontiac Bonneville
  • 1968- 1970 Pontiac Catalina
  • 1968- 1970 Pontiac Executive
  • 1967- 1975 Pontiac Firebird
  • 1968- 1970 Pontiac Grand Prix
  • 1968- 1969 Pontiac GTO
  • 1968- 1968 Pontiac LeMans
  • 1968- 1969 Pontiac Tempest

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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