FAG SS6390 Transfer Case Output Shaft Seal - Front or Rear
Reliable Transfer Case Output Shaft Seal for Dodge and Jeep
The FAG SS6390 transfer case output shaft seal is engineered to provide durable sealing performance for select Dodge and Jeep models. Designed with high-quality Viton sealing material and a metal spring auxiliary lip, this seal ensures effective protection against leaks and contamination.
- Seal Type: Metal with spring and auxiliary lip for enhanced sealing
- Sealing Material: Viton for superior chemical and temperature resistance
- Bore Diameter: 2.75 inches (69.85 mm)
- Seal Outside Diameter: Approximately 2.756 inches (70.002 mm)
- Seal Width: 1.886 inches (12.497 mm)
Technical Details and Construction
The SS6390 transfer case output shaft seal features a robust metal casing combined with a spring-loaded auxiliary lip to maintain consistent contact with the shaft, reducing the risk of fluid leaks. 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. Precise dimensions, including a bore diameter of 2.75 inches and an outside diameter near 2.756 inches, ensure a proper fit and reliable sealing performance.
Compatible Vehicles and Applications
This transfer case output shaft seal is compatible with various Dodge and Jeep models, including:
- Dodge Durango
- Dodge Nitro
- Jeep Commander
- Jeep Grand Cherokee
- Jeep Liberty
It is specifically designed to maintain transfer case integrity by preventing fluid leaks and contamination in these vehicles.
Common Issues Addressed by the SS6390 Seal
- Prevents transfer case fluid leaks around the output shaft
- Reduces contamination from dirt and debris entering the transfer case
- Maintains proper lubrication within the transfer case assembly
- Helps avoid premature wear of transfer case components
- Ensures consistent transfer case performance under various driving conditions
Installation Notes and Tips
When installing the FAG SS6390 transfer case output shaft seal, ensure the transfer case output shaft and bore are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal is seated evenly and fully to maintain optimal sealing performance. Consult vehicle-specific service manuals for torque specifications and installation procedures.
Quality Assurance and Warranty
FAG manufactures the SS6390 seal to meet stringent quality standards, utilizing premium materials like Viton for durability and resistance. While specific warranty details are not provided, FAG products typically adhere to industry standards for reliability and performance in automotive sealing applications.



Description
Reliable Transfer Case Output Shaft Seal for Dodge and Jeep
The FAG SS6390 transfer case output shaft seal is engineered to provide durable sealing performance for select Dodge and Jeep models. Designed with high-quality Viton sealing material and a metal spring auxiliary lip, this seal ensures effective protection against leaks and contamination.
- Seal Type: Metal with spring and auxiliary lip for enhanced sealing
- Sealing Material: Viton for superior chemical and temperature resistance
- Bore Diameter: 2.75 inches (69.85 mm)
- Seal Outside Diameter: Approximately 2.756 inches (70.002 mm)
- Seal Width: 1.886 inches (12.497 mm)
Technical Details and Construction
The SS6390 transfer case output shaft seal features a robust metal casing combined with a spring-loaded auxiliary lip to maintain consistent contact with the shaft, reducing the risk of fluid leaks. 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. Precise dimensions, including a bore diameter of 2.75 inches and an outside diameter near 2.756 inches, ensure a proper fit and reliable sealing performance.
Compatible Vehicles and Applications
This transfer case output shaft seal is compatible with various Dodge and Jeep models, including:
- Dodge Durango
- Dodge Nitro
- Jeep Commander
- Jeep Grand Cherokee
- Jeep Liberty
It is specifically designed to maintain transfer case integrity by preventing fluid leaks and contamination in these vehicles.
Common Issues Addressed by the SS6390 Seal
- Prevents transfer case fluid leaks around the output shaft
- Reduces contamination from dirt and debris entering the transfer case
- Maintains proper lubrication within the transfer case assembly
- Helps avoid premature wear of transfer case components
- Ensures consistent transfer case performance under various driving conditions
Installation Notes and Tips
When installing the FAG SS6390 transfer case output shaft seal, ensure the transfer case output shaft and bore are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal is seated evenly and fully to maintain optimal sealing performance. Consult vehicle-specific service manuals for torque specifications and installation procedures.
Quality Assurance and Warranty
FAG manufactures the SS6390 seal to meet stringent quality standards, utilizing premium materials like Viton for durability and resistance. While specific warranty details are not provided, FAG products typically adhere to industry standards for reliability and performance in automotive sealing applications.























