National 710596 Drive Axle Shaft Seal - Front Left or Front Right

Overview of National Drive Axle Shaft Seal 710596

The National 710596 drive axle shaft seal is engineered to provide reliable sealing performance for select Lexus and Toyota vehicles. Designed with durable nitrile material and a bi-directional lip design, this oil seal helps maintain driveline integrity and prevent fluid leaks.

• Constructed from high-quality nitrile for resistance to oil and wear
• Bi-directional helix lip design enhances sealing efficiency
• Inside diameter of 1.850 inches (47.000 mm) fits specific axle shafts
• Outside diameter measures 2.726 inches (69.240 mm) for precise housing bore fit
• Thickness of 0.394 inches (10.000 mm) ensures proper sealing depth
• Overall width with side lip is 0.650 inches (16.500 mm) for secure installation

Detailed Product Description and Specifications

The National 710596 drive axle shaft seal is part of the 710500 series, designed specifically for driveline and axle sealing applications. Made from nitrile, this seal offers excellent resistance to petroleum-based fluids and mechanical wear, making it suitable for demanding automotive environments. The bi-directional helix lip design provides effective sealing against contaminants and fluid leakage in both rotational directions, which is critical for axle shaft applications.

With an inside diameter of 1.850 inches (47.000 mm) and an outside diameter of 2.726 inches (69.240 mm), this seal fits axle shafts and housing bores precisely, including a housing bore dimension of 2.717 inches (69.000 mm). The thickness of 0.394 inches (10.000 mm) and overall width with side lip of 0.650 inches (16.500 mm) ensure a secure and stable fit within the axle assembly.

Compatible Vehicles and Applications

This drive axle shaft seal is compatible with a range of Lexus and Toyota models, including:

• Lexus GX460, GX470, LX470, LX570
• Toyota 4Runner, FJ Cruiser, Land Cruiser, Sequoia, Tacoma, Tundra

It is designed to maintain axle shaft sealing integrity in these vehicles, helping to prevent oil leaks and contamination in the driveline system.

Common Issues Addressed by National 710596 Seal

• Prevents oil leaks from the drive axle shaft area
• Reduces contamination ingress that can cause premature wear
• Maintains proper lubrication within the axle assembly
• Helps avoid driveline noise caused by seal failure
• Protects axle components from dirt and debris

Installation Notes and Tips

Ensure the axle shaft and housing bore are clean and free of debris before installation. Verify the correct orientation of the bi-directional lip seal to maximize sealing performance. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip or the nitrile material. Check for proper fitment with the specified inside and outside diameters to avoid leaks.

Quality Assurance and Warranty

National drive axle shaft seals are manufactured to meet industry standards for durability and performance. The nitrile material and precision dimensions ensure consistent sealing under normal operating conditions. While specific warranty details are not provided, National products typically adhere to quality control processes to support reliable automotive applications.