FAG SS2021 Wheel Seal - Rear, Rear Inner or Rear Outer

FAG SS2021 Wheel Seal for Rear Applications

The FAG SS2021 wheel seal is built for rear wheel-end service where contamination control and grease retention matter. It is engineered to meet vehicle manufacturer specifications and uses a nitrile sealing material with a metal auxiliary lip for dependable sealing performance.

For drivers searching for a rear wheel seal for 1977-1983 BMW 320i, 1988-1992 Mazda 626, 1988-1992 Mazda MX-6, or 1989-1992 Ford Probe, this FAG SS2021 part number provides the dimensional match needed for the listed applications.

Key Features

• Part number: SS2021
• Wheel seal for rear and rear outer positions
• Seal type: metal with auxiliary lip
• Sealing material: nitrile
• Bearing inside diameter: 2.125 in. / 53.975 mm
• Bore diameter: 2.283 in. / 57.988 mm
• Seal outside diameter: 2.294 in. / 58.268 mm
• Seal width: 1.654 in. / 7.01 mm
• Cross-reference: Quality-Built 16548

Detailed Description

FAG designs wheel seals to protect wheel-end components from dirt, dust, and moisture while helping retain grease over the life of the bearing. The SS2021 follows demanding seal specifications and is sized for the listed rear fitments, including BMW 320i rear and rear outer, Mazda 626 rear, Mazda MX-6 rear, and Ford Probe rear. If you need a rear wheel seal for a 1988-1992 Mazda 626 or a 1977-1983 BMW 320i, this part number is built around the required dimensions and sealing profile.

This part cross-references Quality-Built 16548 for the same application.

What It Helps Address

• Grease loss at the wheel end
• Contamination from road dirt and dust
• Moisture intrusion around the bearing area
• Seal wear from age and heat cycling
• Rear wheel-end service on the listed BMW, Mazda, and Ford applications

Installation Notes and Tips

Verify bearing inside diameter, bore diameter, seal outside diameter, and seal width before installation. Confirm whether your vehicle uses the rear or rear outer position listed in the fitment data. Clean the hub and sealing surfaces thoroughly, and inspect the bearing and related components for wear before installing the new seal.

Quality Assurance

FAG sources wheel seals using high-quality materials and designs them to meet manufacturer specifications. The SS2021 is built to FAG quality standards for the listed applications and dimensions.