SKF 21820 Engine Timing Cover Seal

SKF 21820 Engine Timing Cover Seal

SKF 21820 is an engine timing cover seal built for controlled sealing performance in classic Chrysler and Dodge applications. It uses a nitrile sealing surface and precise dimensions to help keep engine oil contained while limiting contamination at the timing cover area.

Key Features

• Nitrile sealing surface for dependable oil sealing performance
• Outside diameter: 3.194 in.
• Shaft diameter: 2.188 in.
• Width: 0.469 in.
• Engine timing cover seal for Chrysler and Dodge applications
• SKF engineering and manufacturing standards focused on long service life

Detailed Description

SKF 21820 is designed for vehicles that need a timing cover seal with accurate sizing and durable sealing material. SKF has a long history in seal design, and this part reflects that experience with premium materials selected for the operating environment. It is a direct-fit style seal for applications including Chrysler New Yorker, Chrysler Newport, Chrysler Town & Country, Dodge Monaco, Dodge Charger, Dodge Challenger, Dodge Dart, Dodge Aspen, and Dodge Dart models listed in the fitment data. This part cross-references 857646 and 1064730 for the same application.

What This Seal Helps Address

• Oil leakage at the timing cover area
• Contamination entering the sealed engine front cover area
• Wear-related sealing loss from age and heat exposure
• Replacement needs during timing cover or front engine service
• Restoration work on classic Chrysler and Dodge engines

Installation Notes and Tips

Verify shaft diameter, outside diameter, and width before installation to confirm proper fit. Clean the sealing surface thoroughly and inspect the timing cover and shaft for scoring, corrosion, or burrs that could affect sealing. For 1973 applications, note the fitment split shown in the data: some vehicles are listed from 12/4/72, and 1951-1954 Chrysler Newport and Town & Country applications are noted as rubber.

Fits 1976-1978 Chrysler New Yorker, N/A; Fits 1974 Chrysler New Yorker, N/A; Fits 1946-1950 Chrysler New Yorker, N/A; Fits 1976-1978 Chrysler Newport, N/A; Fits 1974 Chrysler Newport, N/A; Fits 1950 Chrysler Newport, N/A; Fits 1978 Dodge Monaco, N/A; Fits 1973-1974 Dodge Monaco, N/A; Fits 1976-1977 Chrysler Town & Country, N/A; Fits 1974 Chrysler Town & Country, N/A; Fits 1946-1950 Chrysler Town & Country, N/A; Fits 1976-1977 Dodge Aspen, N/A; Fits 1976 Dodge Dart, N/A; Fits 1974 Chrysler Imperial, N/A; Fits 1973-1974 Dodge Charger, N/A; Fits 1973 Chrysler Imperial, N/A, From 12/4/72; Fits 1973 Chrysler New Yorker, N/A, From 12/4/72; Fits 1973 Chrysler Newport, N/A, From 12/4/72; Fits 1973 Chrysler Town & Country, N/A, From 12/4/72; Fits 1973 Dodge Challenger, N/A, From 12/4/72; Fits 1973 Dodge Dart, N/A, From 12/4/72; Fits 1972 Dodge Charger, N/A, From 12/4/72; Fits 1972 Dodge Monaco, N/A, From 12/4/72; Fits 1951-1954 Chrysler Newport, N/A, Rubber; Fits 1951-1954 Chrysler Town & Country, N/A, Rubber.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and established bonding techniques. The brand’s seal engineering heritage supports consistent fit and sealing performance for engine service work.