National 710990 Axle Output Shaft Seal - Front Right or Rear Right

Reliable Axle Output Shaft Seal for Chrysler, Dodge, and Jeep

The National 710990 axle output shaft seal is engineered to provide dependable sealing performance for select Chrysler, Dodge, and Jeep vehicles. Designed with a bi-directional lip and durable polyacrylate material, this oil seal helps maintain driveline integrity and prevent leaks.

• Constructed from high-quality polyacrylate for enhanced durability
• Bi-directional helix lip design ensures effective sealing in both rotational directions
• Housing bore diameter of 2.559 inches (65.000 mm) for precise fitment
• Outside diameter measures 2.567 inches (65.200 mm) for secure installation
• Overall width with side lip is 0.512 inches (13.000 mm) for optimal sealing surface
• Shaft diameter compatibility of 1.772 inches (45.000 mm)
• Part of the National 710900 series, known for consistent quality in driveline sealing

Detailed Product Description

The National 710990 axle output shaft seal is specifically designed to fit vehicles such as the Chrysler 300, Dodge Challenger, Charger, Durango, and Jeep Grand Cherokee. Its polyacrylate construction offers resistance to heat, oil, and wear, making it suitable for demanding driveline environments. The bi-directional helix lip design provides a reliable seal against contaminants and fluid leakage, enhancing the longevity of axle components. With precise dimensions including a 2.559-inch housing bore and a 1.772-inch shaft diameter, this seal ensures a snug fit that maintains axle output shaft integrity.

Common Applications and Problem Solving

• Prevents oil leaks from axle output shafts in Chrysler, Dodge, and Jeep models
• Reduces contamination ingress that can cause premature driveline wear
• Maintains proper lubrication within axle assemblies
• Addresses seal wear and damage from extended use or harsh driving conditions
• Helps avoid costly axle and differential repairs due to fluid loss

Installation Notes and Tips

• Ensure the housing bore and shaft surfaces are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore to avoid damage
• Verify the seal orientation matches the bi-directional lip design for optimal performance
• Check shaft diameter compatibility (1.772 inches) to confirm fitment

Quality Assurance and Warranty

Manufactured by National, the 710990 axle output shaft seal is part of the 710900 series, which adheres to strict quality standards for driveline sealing components. While specific warranty details are not provided, National products are generally backed by industry-standard warranties covering manufacturing defects. This seal is designed to meet OEM specifications for Chrysler, Dodge, and Jeep vehicles, ensuring reliable performance and durability.