National 710594 Differential Pinion Seal - Front Outer or Rear Outer

Overview of National 710594 Differential Pinion Seal

The National 710594 differential pinion seal is engineered to provide reliable sealing performance for driveline applications. Designed specifically for select Lexus and Toyota models, this oil seal helps maintain optimal differential function by preventing fluid leaks and contamination.

• Inside diameter: 1.496 inches (38.000 mm)
• Outside diameter: 2.567 inches (65.210 mm)
• Thickness: 0.394 inches (10.000 mm)
• Overall width with side lip: 0.669 inches (17.000 mm)
• Material: durable polyacrylate
• Bi-directional lip design for enhanced sealing
• Compatible housing bore: 2.559 inches (65.000 mm)

Technical Details and Specifications

This differential pinion seal from National, part number 710594, features a bi-directional lip design that ensures effective sealing against oil leaks in both rotational directions. Constructed from polyacrylate, the seal offers resistance to heat and wear, suitable for the demanding conditions within the differential assembly. The precise dimensions, including a 1.496-inch inside diameter and a 2.567-inch outside diameter, make it compatible with the specified shaft and housing bore sizes commonly found in Lexus and Toyota vehicles.

Compatible Vehicles and Applications

This differential pinion seal is compatible with a range of Lexus and Toyota models, including the Camry, Celica, Highlander, Previa, RAV4, RX300, RX330, RX350, Sienna, and Van. It is designed to replace worn or damaged seals in these vehicles’ differentials, helping to maintain proper lubrication and prevent contamination.

• Prevents oil leaks in differential pinion shafts
• Protects against dirt and debris entering the differential
• Maintains proper lubrication for differential gears
• Reduces risk of differential damage due to seal failure
• Helps avoid costly repairs related to fluid loss

Installation Notes and Tips

When installing the National 710594 differential pinion seal, ensure the housing bore and shaft are clean and free of debris. Proper alignment during installation is critical to avoid seal damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the bi-directional lip is correctly oriented to provide optimal sealing performance.

Quality Assurance and Warranty

National manufactures the 710594 differential pinion seal to meet industry standards for durability and performance. The polyacrylate material and bi-directional lip design contribute to a reliable seal life under normal operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the part’s quality.