Help keep lubricant in and dirt and water out at the front hubs with the SKF wheel seal, part number 21771. This front wheel seal is a replacement for Chevrolet and GMC applications including the 1963-1974 Chevrolet C20 Pickup, 1979-1991 GMC G3500, 1983-1991 GMC G2500, 1988-1997 Chevrolet C2500 and 1988-1991 Chevrolet C3500. See the Buyer's Guide tab for the full list.
SKF has long led in seal design and development. It invented the first integrated shaft seal in 1928 and has continued to pioneer new designs and bonding techniques since then. Each SKF seal is made to a specific design using premium materials, chosen so the seal has the right properties for both its application and its environment.
Signs a front wheel seal may need replacing: grease or oil seeping from the hub, lubricant residue on the inside of the wheel or on nearby brake components, or a damaged seal found during a wheel bearing service. Diagnose the source of any leak before replacing parts.
Interchange: 290-81 · 71-21771 · 5330-01-142-1038 · CHR 21771 · 8974-S
29081 · 7121771 · 5330011421038 · CHR21771 · 8974S · 29493 · 975921771 · 3821656 · 3857731 · 145821771 · 291338 · A63101 · A65102S · 46453
This part cross-references / interchanges with the following part numbers:
What does the SKF 21771 front wheel seal do?
It seals the front wheel hub on the listed applications. It is designed to keep lubricant in and to help keep contaminants such as dirt and water out.
Which vehicles does SKF 21771 fit?
It fits listed Chevrolet and GMC trucks, vans and Suburbans, including the 1988-1997 Chevrolet C2500 and the 1979-1991 GMC G3500. See the Buyer's Guide tab for the full list.
How is the SKF wheel seal constructed?
The body is made from deep drawn sheet steel, which forms a rigid, stress-resistant metal case. The garter springs use cold drawn steel wire for fluid retention.
What are signs a wheel seal may need replacing?
Common signs include grease or oil seeping from the hub and lubricant residue on the inside of the wheel. Confirm the source of the leak before replacing parts.
What numbers does SKF 21771 interchange with?
It cross-references numbers including 290-81, 71-21771, CHR 21771, 8974-S, 3821656 and 46453. The Interchange line above lists every number.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
