Help keep dirt, dust, and moisture out of the wheel end and bearing grease where it belongs with the Schaeffler Wheel Seal / Shaft Seal SS3141. It is a direct-fit replacement for the listed applications and fits many Chevrolet and GMC trucks and vans, among them the 1983-1992 Chevrolet G20, 1975-1987 Chevrolet C20, and 1979-1991 GMC G3500. See the "Vehicles it fits" section for the full list and engine details. Schaeffler catalogs this seal for both front and rear positions across the listed applications.
Schaeffler lists this part under two names, wheel seal and shaft seal. Its wheel seals are engineered with top-quality materials to meet vehicle manufacturer specifications, and Schaeffler works with its suppliers to design seals that satisfy its own quality standards. The seal is designed to protect wheel-end components from contamination and to prevent grease loss over the life of the bearing. Wheel seal specifications are demanding, and the correct type depends on the application, the position, and the vehicle class.
- Durable Design: Backed by a robust quality assurance process that accounts for the precise requirements of automotive systems.
- OE Expertise: Designed and built to stringent OEM standards for assured quality.
- Premium Materials: Intended to keep the seal durable and effective at providing protection over time.
- Superior Protection: Helps keep dirt, dust, and moisture from damaging wheel-end components.
Signs a wheel seal may need replacing include:
- Grease weeping from the hub.
- Grease on the brake components or the inside of the wheel.
- Dirt or moisture found in the bearing during service.
When servicing the hub or bearings, consult the vehicle service information on whether the wheel seal should be replaced.
Interchange: 8974S · 21771 · 4133141100
Frequently Asked Questions
What does the Schaeffler SS3141 Wheel Seal / Shaft Seal do?
It is designed to keep dirt, dust, and moisture out of the wheel end and to help retain bearing grease. This protects the wheel-end components from contamination.
Which vehicles does the SS3141 fit?
It fits many Chevrolet and GMC trucks and vans, including the 1975-1987 Chevrolet C20 and the 1979-1991 GMC G3500. See the "Vehicles it fits" section for the full list.
Is the SS3141 used in the front or the rear?
Schaeffler catalogs the SS3141 for both front and rear positions, depending on the application. The "Vehicles it fits" section shows each listed vehicle.
What are signs my wheel seal may need replacing?
Warning signs include grease weeping from the hub, grease on the brake parts or inside the wheel, and dirt or moisture in the bearing. Diagnose the cause before replacing parts.
What part numbers does the SS3141 interchange with?
The Schaeffler SS3141 interchanges with 8974S, 21771, and 4133141100.
