FAG SS3140 Wheel Seal - Front

FAG SS3140 Wheel Seal for Front Axles

FAG SS3140 is a front wheel seal built for demanding driveline and axle applications where contamination control and grease retention matter. It uses a metal seal type with an auxiliary lip and nitrile sealing material to help protect wheel end components in service.

• Wheel seal for front and front inner positions
• Metal seal design with auxiliary lip
• Nitrile sealing material for wheel end sealing performance
• Bore diameter: 3 in. / 76.2 mm
• Seal outside diameter: 3.005 in. / 76.327 mm
• Seal width: 2.188 in. / 6.502 mm

Application Details

Compatible With a wide range of heavy-duty and full-size vehicles, including 1991-2005 GMC Sierra 3500 front, 1996-2002 Chevrolet Express 2500 front, and 1994-1999 Dodge Ram 3500 front. It also covers front inner and front axle positions on select Chevrolet C/K, GMC C/K, van, and SUV applications. This part cross-references AMS Automotive 4740 and Gates 21756 for the same application.

Use FAG SS3140 when replacing a worn or leaking wheel seal on vehicles such as Chevrolet Tahoe, GMC Savana 3500, and Dodge Ram 2500. The part number SS3140 is also associated with Schaeffler global number 413 3140 100 in listed applications.

What This Wheel Seal Helps Address

• Grease loss at the wheel end
• Dirt, dust, and moisture intrusion into hub and bearing areas
• Seal wear that can lead to hub contamination
• Front axle sealing issues on heavy-duty trucks and vans
• Front inner seal replacement on select applications

Installation Notes

Verify the seal dimensions, axle position, and vehicle configuration before installation. This wheel seal is application-specific, so match the bore diameter, outside diameter, and width to the original part and confirm whether the vehicle uses a front or front inner seal location. For best results, inspect the hub, bearing surfaces, and sealing surfaces for wear or damage before installing SS3140.

Quality Assurance

FAG wheel seals are engineered to meet vehicle manufacturer specifications and are produced with supplier support aligned to FAG quality standards. The seal construction is designed to help maintain wheel end cleanliness and retain grease over the life of the bearing.