FAG SS3220 Automatic Transmission Seal - Rear

Automatic Transmission Seal for Ford Super Duty Applications

FAG SS3220 is an automatic transmission seal built for rear-position applications on select Ford trucks and vans. It uses Viton sealing material with a rubber construction, spring, and auxiliary lip to help maintain a tight seal in demanding transmission service.

Key Features

• Automatic transmission seal for rear installation
• Viton sealing material for heat- and fluid-resistant performance
• Rubber seal body with spring and auxiliary lip design
• Bore diameter: 3.563 in. / 90.5 mm
• Seal outside diameter: 3.574 in. / 90.78 mm
• Seal width: 2.48 in. / 62.992 mm
• FAG part number SS3220

Detailed Description

FAG SS3220 is engineered to meet vehicle manufacturer specifications for transmission sealing applications. The Viton sealing material is selected for durability in fluid-exposed environments, while the spring-loaded, auxiliary-lip design helps maintain sealing contact under operating conditions. This part number is used in rear transmission applications across select Ford E-Series, F-Series, Expedition, Explorer, Ranger, and related models, including 5R110 transmission applications where noted. This part cross-references Gates 24410 and Timken 710483 for the same application.

What It Helps Address

• Transmission fluid leakage at the rear seal area
• Contamination from dirt, dust, and moisture entering the seal zone
• Loss of grease or fluid retention at the bearing or seal interface
• Wear-related sealing issues in high-mileage Ford truck and van applications
• Replacement needs for service on 5R110 transmission-equipped vehicles

Installation Notes and Fitment

Compatible with rear-position applications on select Ford vehicles. Fits 2004-2014 Ford E-350 Super Duty, rear; 2003-2010 Ford F-250 Super Duty, rear; 2003-2010 Ford F-350 Super Duty, rear; 2004-2009 Ford E-150, rear; 2003-2007 Ford F-250, rear; 2004-2005 Ford E-150 Club Wagon, rear; 2004-2005 Ford E-350 Club Wagon, rear; 2003-2004 Ford Excursion, rear; 2003-2004 Ford Expedition, rear; 2003-2004 Ford Explorer, rear; 2003-2004 Ford Explorer Sport Trac, rear; and 2003-2004 Ford Ranger, rear. Verify seal dimensions and transmission application before installation. Clean the sealing surface thoroughly and inspect the shaft or bore for wear, scoring, or contamination before fitting the new seal.

Quality Assurance

FAG designs seals using high-quality materials and application-specific specifications to support reliable sealing performance in automotive service. The SS3220 follows the dimensional and material requirements listed for the application, including Viton construction and the stated bore, outside diameter, and width measurements.