FAG SS3144 Axle Spindle Seal - Front, Front Inner or Front Outer

FAG SS3144 Axle Spindle Seal

The FAG SS3144 axle spindle seal is built for front wheel-end service where sealing performance matters. It uses a metal seal type with nitrile sealing material to help keep contamination out and grease in across the bearing life.

Compatible with select Ford Excursion and Ford F-250 Super Duty front axle applications, this seal is sized for precise wheel-end fitment and dependable sealing at the spindle.

Key Features

• Metal seal type for durable wheel-end sealing support
• Nitrile sealing material for resistance to grease and common contaminants
• Bore diameter: 3.131 in. / 79.527 mm
• Seal outside diameter: 3.136 in. / 79.654 mm
• Seal width: 2.186 in. / 55.524 mm
• Direct-fit axle spindle seal for front wheel-end service
• FAG SS3144 part number for accurate ordering and replacement

Detailed Description

FAG designs wheel seals to meet vehicle manufacturer specifications using high-quality materials selected for demanding wheel-end environments. The SS3144 is engineered to help protect front axle components from dirt, dust, and moisture while retaining grease at the bearing. This matters on heavy-duty Ford applications where front axle sealing is critical to bearing life and consistent operation. This part cross-references National 710413 for the same application.

Fits 2001-2005 Ford Excursion, Front and Front Inner. Fits 2001-2004 Ford F-250 Super Duty, Front. Fits 1999-2004 Ford F-250 Super Duty, Front Inner. Fits 1999-2004 Ford F-350 Super Duty, Front Inner. Fits 1983-1998 Ford F-250, Front Outer. Fits 1992-1997 Ford F-350, Front Outer. The FAG SS3144 is also listed for additional Ford front axle positions across the 1983-2005 model years.

What It Helps Address

• Grease loss at the front wheel end
• Contamination from dirt, dust, and moisture
• Premature wear in spindle and bearing areas
• Seal leakage at the front axle hub
• Service issues on Ford Excursion, F-250 Super Duty, and F-350 front axle assemblies

Installation Notes and Tips

Verify axle type, position, and seal dimensions before installation. Clean the spindle and hub sealing surfaces thoroughly, and inspect the bearing area for wear or scoring before pressing in the new seal. Confirm the application matches the front, front inner, or front outer position listed for your vehicle.

Quality Assurance

FAG wheel seals are engineered to meet manufacturer specifications and are designed around application-specific sealing demands. The SS3144 follows FAG quality standards for wheel-end sealing performance in demanding Ford front axle service.