FAG SS3947 Transfer Case Input Shaft Seal

Overview of FAG Transfer Case Input Shaft Seal SS3947

The FAG SS3947 transfer case input shaft seal is engineered for reliable sealing performance in Jeep transfer cases. Designed specifically for Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models, this seal ensures proper protection against contaminants and fluid leaks.

• Seal Type: Metal with spring and inner shell for secure fit
• Sealing Material: Durable nitrile for resistance to oil and wear
• Bore Diameter: 2 inches (50.8 mm) for precise fitment
• Seal Outside Diameter: Approximately 2.004 inches (50.902 mm)
• Seal Width: 1.375 inches (7.95 mm) for optimal sealing depth

Technical Details and Specifications

The SS3947 transfer case input shaft seal features a metal construction with an integrated spring and inner shell, providing a tight and consistent seal around the input shaft. The nitrile sealing material offers excellent resistance to automotive fluids and temperature variations, making it suitable for demanding transfer case environments. With a bore diameter of 2 inches and an outside diameter near 2.004 inches, this seal fits precisely within the transfer case housing to prevent fluid leakage and contamination.

Compatible Jeep Models and Applications

This transfer case input shaft seal is compatible with a range of Jeep vehicles, including Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models. It is designed to replace worn or damaged seals in these transfer cases, maintaining drivetrain integrity and performance.

• Prevents transfer case fluid leaks
• Protects transfer case internals from dirt and debris
• Reduces wear on input shaft and bearings
• Maintains proper lubrication within the transfer case
• Helps avoid costly drivetrain repairs

Installation Notes and Tips

When installing the FAG SS3947 input shaft seal, ensure the transfer case housing and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip or metal shell. Verify the seal is seated flush and rotates smoothly with the input shaft. Proper installation helps maintain the seal’s effectiveness and extends transfer case service life.

Quality Assurance and Warranty

FAG manufactures the SS3947 transfer case input shaft seal to meet strict quality standards for durability and performance. The use of nitrile sealing material and metal spring construction ensures long-lasting service in demanding automotive environments. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to support reliable operation in Jeep transfer cases.