National 710921 Drive Axle Shaft Seal - Front Right

Overview of National 710921 Drive Axle Shaft Seal

The National 710921 drive axle shaft seal is engineered to provide reliable sealing performance for select Nissan, Infiniti, and Suzuki vehicles. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain driveline integrity and prevent fluid leaks.

• Material: Polyacrylate for enhanced durability and resistance
• Inside Diameter: 1.535 inches (39.000 mm)
• Outside Diameter: 3.236 inches (82.200 mm)
• Thickness: 0.512 inches (13.000 mm)
• Overall Width with Side Lip: 0.807 inches (20.500 mm)
• Housing Bore Diameter: 3.228 inches (82.000 mm)
• Series: 710900
• Type: 40

Detailed Product Description

This National drive axle shaft seal, part number 710921, is specifically designed to fit vehicles such as the Nissan Armada, Frontier, Pathfinder, Xterra, Infiniti QX56, QX80, and Suzuki Equator. The seal’s polyacrylate construction offers resistance to heat, oil, and wear, ensuring a long service life in demanding driveline environments. Its precise inside and outside diameters, along with the thickness and housing bore specifications, allow for a secure fit that prevents axle shaft oil leaks and contamination.

Applications and Problem Solving

This drive axle shaft seal is used to maintain the integrity of the axle assembly by preventing lubricant leakage and blocking dirt and debris from entering the driveline. It addresses common issues such as:

• Oil leaks from the axle shaft area
• Contamination of axle bearings and components
• Premature wear of driveline parts due to fluid loss
• Noise and vibration caused by seal failure
• Reduced driveline efficiency and potential damage

Installation Notes and Tips

When installing the National 710921 seal, ensure the axle shaft and housing 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 vehicle manufacturer’s specifications. Proper installation helps maintain the seal’s effectiveness and extends the service life of the driveline components.

Quality Assurance and Warranty

National’s 710900 series seals, including part number 710921, are manufactured to meet strict industry standards for material quality and dimensional accuracy. This drive axle shaft seal undergoes rigorous testing to ensure reliable performance under normal operating conditions. Warranty coverage details are provided by the manufacturer and typically cover defects in material and workmanship.