National 710919 Drive Axle Shaft Seal - Front

Overview of National 710919 Drive Axle Shaft Seal

The National 710919 drive axle shaft seal is engineered for reliable sealing performance in select Nissan and INFINITI vehicles. Designed to maintain axle integrity, this oil seal helps prevent leaks and contamination in driveline systems for models like the Nissan Armada, Pathfinder, TITAN, and the INFINITI QX56.

• Inside diameter: 1.692 inches (43.000 mm)
• Outside diameter: 3.083 inches (78.300 mm)
• Flanged outside diameter: 3.346 inches (85.500 mm)
• Thickness: 0.394 inches (10.000 mm)
• Overall width with side lip: 0.630 inches (16.000 mm)
• Material: Fluoro-elastomer for enhanced durability
• Bi-directional lip design for effective sealing
• Housing bore diameter: 3.071 inches (78.000 mm)

Technical Details and Material Specifications

The National 710919 drive axle shaft seal features a fluoro-elastomer construction, providing resistance to heat, oil, and wear. Its bi-directional lip design ensures a secure seal around the axle shaft, minimizing the risk of fluid leaks and contamination ingress. The seal’s precise dimensions, including a 1.692-inch inside diameter and a 3.083-inch outside diameter, make it compatible with the specified driveline housings. The flanged outside diameter of 3.346 inches offers additional stability during installation and operation.

Compatible Vehicles and Applications

This drive axle shaft seal is compatible with several Nissan and INFINITI models, including:

• Nissan Armada
• Nissan Pathfinder
• Nissan TITAN
• INFINITI QX56

Part number 710919 is designed specifically for these vehicles’ driveline and axle sealing systems, ensuring proper fit and function.

Common Issues Addressed by the National 710919 Seal

• Prevents oil leaks from the drive axle shaft area
• Reduces contamination from dirt and debris entering the axle housing
• Maintains proper lubrication within the driveline system
• Minimizes premature wear of axle components
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 710919 drive axle shaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to avoid damaging the fluoro-elastomer material or the seal lips. Verify the seal orientation matches the bi-directional lip design for optimal sealing performance. Proper installation torque and alignment are critical to prevent leaks and extend seal life.

Quality Assurance and Warranty

National manufactures the 710919 seal to meet industry standards for durability and performance. The fluoro-elastomer material and precision dimensions contribute to consistent sealing under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support product reliability.