Rear Main Seal - Ford 429/460 & Olds 400

Fits: Ford 429/460 1968-'88 Oldsmobile 403 1977-'79 Oldsmobile 400/425/455 1965-'76

PART# 1965

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Made from silicone to withstand extreme engine oil temperatures and injection molded for a precise fit.


BrandMr. Gasket
Emission Code1
EngineFord Big Block
Oldsmobile V8
Product TypeRear Main Seal
Rear Main Seal StyleTwo Piece
Part Number1965


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
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      Some parts are not legal for use in California or other states with similar regulations.