FAG SS2631 Manual Transmission Seal - Rear

Manual Transmission Seal for Ford Rear Applications

The FAG SS2631 manual transmission seal is built for rear-position Ford applications that require a precise sealing interface at the transmission. It uses a metal and spring seal design with nitrile sealing material to help keep contaminants out and retain lubricant at the seal surface.

Key Features

• Manual transmission seal for rear installation
• Metal and spring seal construction
• Nitrile sealing material for transmission sealing service
• Bore diameter: 2.875 in. / 73.025 mm
• Seal outside diameter: 2.879 in. / 73.127 mm
• Seal width: 1.563 in. / 39.7 mm
• Cross-references National 473442 and SKF 15773 for the same application

Product Details

FAG SS2631 is a rear manual transmission seal engineered to match the dimensional requirements of specific Warner transmission applications. The seal is designed to protect wheel end and transmission components from dirt, dust, and moisture intrusion while helping prevent grease loss over the service life of the bearing or seal interface. For buyers searching for a Ford F-150 rear manual transmission seal, Ford F-250 rear manual transmission seal, or Ford Bronco rear manual transmission seal, this part number provides a direct OE-style sealing solution. It also applies to Ford F-350 rear manual transmission seal applications listed in the fitment data.

What It Helps Address

• Transmission fluid or grease leakage at the seal surface
• Contamination from dirt, dust, and moisture
• Wear at the rear transmission sealing point
• Improper seal fit caused by incorrect bore or outside diameter
• Service replacement needs on Warner transmission applications

Installation Notes and Tips

Verify bore diameter, seal outside diameter, and seal width before installation. Confirm the transmission application and rear position match the vehicle and model year listed in the fitment data. Clean the sealing surface and inspect the shaft or housing for wear, scoring, or corrosion before installing the new seal. FAG SS2631 is listed for 1979-1984 Ford F-350 rear, 1980-1983 Ford Bronco rear, 1979-1983 Ford F-150 rear, and 1979-1983 Ford F-250 rear applications.

Quality Assurance

FAG sources materials and designs seals to meet vehicle manufacturer specifications, with supplier coordination focused on maintaining FAG quality standards. The SS2631 is built to the dimensional and material requirements expected for demanding transmission sealing service.