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OER 1955-72 Buick, Chevy, Pontiac, Oldsmobile, Full Size, Convertible Top Hydraulic Pump Seal Set ST016

OER 1955-72 Buick, Chevy, Pontiac, Oldsmobile, Full Size, Convertible Top Hydraulic Pump Seal Set ST016
$39.99 kt
NEWARRIVING SOONEstimated Ship Date 12/29/2025 (If Ordered Today)10 Available from OER as of 12/05/2025
Model: 3450377
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Hydraulic pump seal set designed as a direct service replacement for use with various 1955-72 GM full size convertible models. This comprehensive set includes two large O-rings that seal each end of the reservoir (only one may be required depending on the model year), an O-ring for the screw-in reservoir plug, rubber mounting feet, and internal pump O-rings. Designed to repair and reseal most GM convertible top pumps equipped with metal reservoirs (not for use with plastic reservoir pumps). Restores proper hydraulic function and prevents fluid leakage when rebuilding an original pump.

Features and Benefits:
  • Authentic reproduction seal set for 1955-72 GM full size convertibles
  • Includes all major O-rings and mounting components for pump restoration
  • Helps stop hydraulic leaks and restores convertible top performance
  • Cost-effective alternative to replacing the entire pump assembly
  • Designed specifically for metal reservoir style pumps
Technical Information:
  • Set includes: 2 large reservoir O-rings, 1 reservoir plug O-ring, rubber mounting feet, and internal pump O-rings
  • Depending on application, only 1 large reservoir O-ring may be required
  • For use with non-plastic reservoir convertible top pumps
  • Some pumps may be worn beyond repair - this kit is intended for rebuildable units
Buick Applications
  • 1971 - 1972 Buick Centurion
  • 1957 - 1958 Buick Century
  • 1959 - 1970 Buick Electra
  • 1965 - 1967 Buick Gran Sport
  • 1959 - 1962 Buick Invicta
  • 1959 - 1972 Buick LeSabre
  • 1958 - 1958 Buick Limited
  • 1955 - 1958 Buick Roadmaster
  • 1961 - 1972 Buick Skylark
  • 1957 - 1958 Buick Special
  • 1957 - 1957 Buick Super
  • 1963 - 1970 Buick Wildcat
Cadillac Applications
  • 1964 - 1970 Cadillac DeVille
  • 1957 - 1972 Cadillac Eldorado
  • 1957 - 1962 Cadillac Series 62
Chevrolet Applications
  • 1955 - 1957 Chevrolet Bel Air
  • 1971 - 1972 Chevrolet Caprice
  • 1958 - 1972 Chevrolet Impala
Oldsmobile Applications
  • 1966 - 1971 Oldsmobile 442
  • 1958 - 1970 Oldsmobile 98
  • 1961 - 1961 Oldsmobile Classic 98
  • 1967 - 1967 Oldsmobile Delmont 88
  • 1966 - 1972 Oldsmobile Delta 88
  • 1958 - 1966 Oldsmobile Dynamic
  • 1957 - 1957 Oldsmobile Golden Rocket 88
  • 1964 - 1965 Oldsmobile Jetstar 88
  • 1957 - 1965 Oldsmobile Starfire
  • 1957 - 1961 Oldsmobile Super 88
Pontiac Applications
  • 1957 - 1970 Pontiac Bonneville
  • 1959 - 1972 Pontiac Catalina
  • 1968 - 1968 Pontiac Grand Prix
  • 1971 - 1972 Pontiac Grandville
  • 1959 - 1960 Pontiac Parisienne
  • 1955 - 1957 Pontiac Star Chief
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 Centurion 1971 - 1972
Buick Century 1957 - 1958
Buick Electra 1959 - 1970
Buick Gran Sport 1965 - 1967
Buick Invicta 1959 - 1962
Buick LeSabre 1959 - 1972
Buick Limited 1958
Buick Roadmaster 1955 - 1958
Buick Skylark 1961 - 1972
Buick Special 1957 - 1958
Buick Super 1957
Buick Wildcat 1963 - 1970
Cadillac DeVille 1964 - 1970
Cadillac Eldorado 1957 - 1972
Cadillac Series 62 1957 - 1962
Chevrolet Bel Air 1955 - 1957
Chevrolet Caprice 1971 - 1972
Chevrolet Impala 1958 - 1972
Oldsmobile 442 1966 - 1971
Oldsmobile 98 1958 - 1970
Oldsmobile Classic 98 1961
Oldsmobile Delmont 88 1967
Oldsmobile Delta 88 1966 - 1972
Oldsmobile Golden Rocket 88 1957
Oldsmobile Jetstar 88 1964 - 1965
Oldsmobile Starfire 1957 - 1965
Oldsmobile Super 88 1957 - 1961
Pontiac Bonneville 1957 - 1970
Pontiac Catalina 1959 - 1972
Pontiac Grand Prix 1968
Pontiac Grandville 1971 - 1972
Pontiac Parisienne 1959 - 1960
Pontiac Star Chief 1955 - 1957

Specifications:

Height 3 in
Length 1 in
Weight 1.06 lbs
Width 3 in

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OER 1955-72 Buick, Chevy, Pontiac, Oldsmobile, Full Size, Convertible Top Hydraulic Pump Seal Set ST016:

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