National 710695 Transfer Case Output Shaft Seal - Rear

Overview of National Transfer Case Output Shaft Seal 710695

The National 710695 Transfer Case Output Shaft Seal is engineered to provide reliable sealing performance for select GM trucks and SUVs. Designed with a bi-directional lip and fluoro-elastomer material, this oil seal helps maintain transfer case integrity in vehicles like the Chevrolet Silverado 1500 and GMC Yukon XL.

• Inside diameter: 1.885 inches (47.890 mm)
• Outside diameter: 2.705 inches (68.700 mm)
• Thickness: 0.461 inches (11.700 mm)
• Bi-directional lip design for effective sealing
• Constructed from durable fluoro-elastomer material
• Compatible housing bore: 2.697 inches (68.500 mm)
• Overall width with side lip: 1.417 inches (36.000 mm)

Technical Details and Specifications

This National transfer case output shaft seal (part number 710695) features a bi-directional lip design that ensures effective sealing against oil leaks in both rotational directions. The fluoro-elastomer sealing material offers resistance to heat, oil, and wear, making it suitable for demanding transfer case environments. With precise dimensions including a 1.885-inch inside diameter and a 2.705-inch outside diameter, this seal fits securely within the housing bore of 2.697 inches, providing a tight, leak-resistant fit.

Compatible Vehicles and Applications

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

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Colorado, Silverado 1500, Silverado 1500 Classic, Suburban 1500, Tahoe
• GMC Canyon, Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL, Yukon XL 1500

It is designed specifically for transfer case sealing systems in these models, ensuring proper fit and function.

Common Issues Addressed by the Transfer Case Output Shaft Seal

• Prevents oil leaks from the transfer case output shaft
• Reduces contamination ingress into 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

• Verify the seal dimensions against the vehicle’s transfer case specifications before installation
• Clean the housing bore thoroughly to remove debris and old sealant
• Use appropriate tools to press the seal evenly into place without distortion
• Inspect the output shaft for wear or damage prior to installing the new seal
• Apply a light coating of transfer case fluid on the seal lip to aid installation and initial lubrication

Quality Assurance and Warranty Information

National transfer case output shaft seals are manufactured to meet OEM standards for durability and performance. The fluoro-elastomer material and bi-directional lip design contribute to long service life under typical operating conditions. Part number 710695 is backed by National’s quality control processes, ensuring consistent fit and function for compatible Cadillac, Chevrolet, and GMC models. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.