FAG SS3989 Transfer Case Output Shaft Seal - Rear

Reliable Transfer Case Output Shaft Seal for Lexus and Toyota Vehicles

The FAG SS3989 transfer case output shaft seal is engineered to provide durable sealing performance for select Lexus and Toyota models. Designed with nitrile rubber material, this seal ensures effective protection against leaks and contamination in your vehicle's transfer case system.

Key Features of the FAG SS3989 Transfer Case Output Shaft Seal

• Seal Type: Rubber for flexible and resilient sealing
• Sealing Material: Nitrile, resistant to oil and wear
• Bore Diameter: 1.26 inches (32.004 mm) for precise fitment
• Seal Outside Diameter: 1.263 inches (32.08 mm) ensuring secure placement
• Seal Width: 0.906 inches (5.512 mm) for optimal sealing depth

Detailed Description of the SS3989 Transfer Case Seal

The FAG SS3989 is a transfer case output shaft seal designed to maintain the integrity of the transfer case by preventing fluid leaks and keeping contaminants out. Constructed from nitrile rubber, this seal offers excellent resistance to heat, oil, and abrasion, which is critical for the demanding environment inside the transfer case. The precise bore and outside diameters ensure a snug fit on the output shaft, minimizing the risk of seal failure. This part is compatible with a range of Lexus and Toyota models, including the 4Runner, FJ Cruiser, GX460, Pickup, Previa, Sequoia, T100, Tacoma, and Tundra.

Common Applications and Issues Addressed

• Prevents transfer case fluid leaks that can lead to drivetrain damage
• Protects transfer case internals from dirt and debris contamination
• Reduces wear on the output shaft by maintaining proper lubrication
• Helps maintain transfer case pressure and performance
• Addresses seal degradation due to age or harsh operating conditions

Installation Notes and Tips

• Ensure the transfer case output shaft and housing are clean and free of debris before installation
• Lubricate the seal lip with appropriate transfer case fluid to ease installation and prevent damage
• Use proper tools to press the seal evenly into place without distortion
• Verify correct orientation of the seal to maintain effective sealing
• Inspect the output shaft for wear or damage prior to installing the new seal

Quality Assurance and Warranty Information

FAG manufactures the SS3989 transfer case output shaft seal to meet strict quality standards, ensuring reliable performance and durability. The use of nitrile rubber material provides resistance to common automotive fluids and operating conditions. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to support professional repair and maintenance needs.