National 710694 Transfer Case Output Shaft Seal - Front or Rear

Overview of National 710694 Transfer Case Output Shaft Seal

The National 710694 transfer case output shaft seal is engineered to provide reliable sealing performance for select Cadillac, Chrysler, Dodge, Jeep, and Nissan vehicles. Designed with a bi-directional lip and constructed from durable fluoro-elastomer material, this oil seal helps maintain transfer case integrity by preventing fluid leaks and contamination.

• Inside diameter: 2.126 inches (54.000 mm)
• Outside diameter: 2.961 inches (75.200 mm)
• Flanged outside diameter: 3.189 inches (81.000 mm)
• Thickness: 0.492 inches (12.500 mm)
• Bi-directional lip design for enhanced sealing
• Material: Fluoro-elastomer for chemical and temperature resistance
• Compatible with transfer case housing bore of 2.953 inches (75.000 mm)

Detailed Product Description

The National 710694 transfer case output shaft seal is part of the 710600 series, designed specifically for transfer case applications requiring precise sealing solutions. Its fluoro-elastomer construction offers resistance to heat, oil, and other automotive fluids, ensuring long-lasting durability under demanding operating conditions. The bi-directional lip design provides effective sealing against fluid leakage in both rotational directions, which is critical for maintaining transfer case performance and preventing contamination.

With an inside diameter of 2.126 inches and an outside diameter of 2.961 inches, this seal fits transfer case output shafts and housings with matching dimensions. The flanged outside diameter of 3.189 inches allows for secure installation and proper seating within the transfer case assembly.

Compatible Vehicles and Applications

This transfer case output shaft seal is compatible with a range of vehicles, including:

• Cadillac CT6
• Chrysler Aspen, Commander
• Dodge Durango, Nitro
• Jeep Grand Cherokee, Liberty
• Nissan TITAN, TITAN XD

It is designed to replace worn or damaged seals in these models, helping to maintain transfer case fluid integrity and prevent leaks.

Common Issues Addressed by the 710694 Seal

• Prevents transfer case fluid leaks that can cause damage to internal components
• Reduces contamination from dirt and debris entering the transfer case
• Minimizes wear on the output shaft by maintaining proper lubrication
• Helps avoid costly transfer case repairs due to seal failure
• Maintains optimal transfer case performance and vehicle drivability

Installation Notes and Tips

• Ensure the transfer case output shaft and housing bore are clean and free of debris before installation
• Verify the seal dimensions match the original equipment specifications
• Use appropriate tools to press the seal evenly into the housing bore without damaging the lip
• Apply a light coating of transfer case fluid to the seal lip prior to installation to reduce initial wear
• Inspect the seal after installation for proper seating and alignment

Quality Assurance and Warranty

National transfer case output shaft seals are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 710694 seal is made from high-grade fluoro-elastomer material, providing resistance to heat, oil, and chemical exposure common in automotive environments. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to support product reliability and customer confidence.