FAG SS2299 Drive Axle Shaft Seal - Front Inner

Drive Axle Shaft Seal for Ford F-350

FAG SS2299 is a drive axle shaft seal built for front inner wheel-end service on select Ford F-350 applications. It uses a metal shell, spring, and auxiliary lip design with polyacrylate sealing material to help keep contamination out and retain grease at the bearing.

Fits 1980-1997 Ford F-350, front inner, including Spicer 44, 50, and 60 axle applications listed below.

Key Features

• Part number: SS2299
• Drive axle shaft seal for front inner wheel-end use
• Seal type: metal, spring, auxiliary lip
• Sealing material: polyacrylate
• Bore diameter: 2.529 in / 64.237 mm
• Seal outside diameter: 2.579 in / 65.507 mm
• Seal width: 1.575 in / 40.005 mm
• Designed to help protect wheel-end components from dirt, dust, and moisture

Detailed Description

FAG SS2299 is engineered for demanding wheel-end sealing service where correct dimensions and material selection matter. The seal’s metal case, spring-loaded design, and auxiliary lip help maintain sealing contact, while the polyacrylate sealing material is selected for axle and bearing environments that require consistent grease retention and contamination control. This part cross-references Bosch 12014 for the same application.

For Ford F-350 front inner service, SS2299 matches the listed Spicer 44, 50, and 60 axle applications. Use the part number SS2299 when verifying replacement needs for 1980-1997 Ford F-350 front inner axle seal service.

What It Helps Address

• Grease loss at the wheel end
• Dirt and dust intrusion into axle and bearing areas
• Moisture contamination around the seal surface
• Wear caused by degraded sealing contact
• Replacement needs for Ford F-350 front inner axle seal service

Installation Notes and Tips

Confirm axle type, position, and dimensions before installation. Match the bore diameter, outside diameter, and seal width to the original specification, and inspect the shaft and hub sealing surfaces for scoring or corrosion before fitting the new seal. Proper seating and alignment are important for reliable sealing performance on Ford F-350 front inner applications.

Quality Assurance

FAG designs wheel seals to meet vehicle manufacturer specifications and works with suppliers to maintain FAG quality standards. The seal is built for the demanding requirements of wheel-end service and is intended to support long-term contamination control and grease retention in the specified application.