FAG SS6378 Transfer Case Output Shaft Seal - Front

Reliable Transfer Case Output Shaft Seal for Select GM and Isuzu Models

The FAG SS6378 transfer case output shaft seal is engineered to provide durable sealing performance for various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Designed with high-quality Viton sealing material and a rubber spring auxiliary lip, this seal ensures effective protection against leaks and contamination.

• Seal Type: Rubber with spring and auxiliary lip for enhanced sealing
• Sealing Material: Viton for superior chemical and temperature resistance
• Bore Diameter: Approximately 2.244 inches (56.998 mm)
• Seal Outside Diameter: Approximately 2.252 inches (57.201 mm)
• Seal Width: Approximately 1.376 inches (10.211 mm)

Durable Design and Precise Dimensions

The FAG SS6378 transfer case output shaft seal features a robust rubber construction combined with a spring and auxiliary lip design to maintain a tight seal under varying operating conditions. The use of Viton as the sealing material offers excellent resistance to heat, oil, and other automotive fluids, making it suitable for demanding transfer case environments. With precise bore and outside diameters, this seal fits securely to prevent fluid leaks and protect internal components.

Compatible Vehicles and Applications

This transfer case output shaft seal is compatible with a range of vehicles including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Specifically, it fits transfer cases on models such as the 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT. The part number SS6378 ensures correct fitment for these applications.

• Prevents transfer case fluid leaks
• Protects transfer case output shaft from dirt and debris
• Maintains transfer case pressure and performance
• Reduces risk of premature transfer case wear
• Helps avoid costly transfer case repairs

Installation Notes and Tips

When installing the FAG SS6378 transfer case output shaft seal, ensure the transfer case output shaft and bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Consult vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

FAG manufactures the SS6378 transfer case output shaft seal to meet stringent quality standards. The use of Viton sealing material and precision manufacturing processes ensures reliable performance and durability. While specific warranty details are not provided, FAG products are generally backed by manufacturer quality assurance to support long-term service life.