National 472319 Drive Axle Shaft Seal - Front

Overview of National 472319 Drive Axle Shaft Seal

The National 472319 drive axle shaft seal is engineered for reliable sealing performance in Jeep vehicles, including Cherokee, J10, and Wagoneer models. Constructed from durable nitrile material, this oil seal is designed to maintain axle integrity and prevent fluid leaks under demanding conditions.

• Material: High-quality nitrile for resistance to oil and wear
• Inside Diameter: 1.937 inches (49.200 mm)
• Outside Diameter: 2.627 inches (66.730 mm)
• Thickness/Width: 0.312 inches (7.920 mm)
• Housing Bore: 2.623 inches (66.620 mm)
• Redicoat coating for enhanced durability
• Series: 470000, Type: 47
• Zero duplication part ensuring unique fit and function

Detailed Product Description

The National 472319 drive axle shaft seal is part of the 470000 series, designed specifically to provide a precise fit and effective sealing for Jeep Cherokee, J10, and Wagoneer driveline systems. Its nitrile construction offers excellent resistance to oil, heat, and abrasion, which helps extend the service life of the axle assembly. The seal’s dimensions, including a 1.937-inch inside diameter and a 2.627-inch outside diameter, ensure compatibility with the specified housing bore and shaft sizes. The Redicoat finish adds an extra layer of protection against corrosion and wear, making it suitable for long-term use in harsh environments.

Common Applications and Problem Solving

• Prevents oil leaks from the drive axle shaft area
• Protects axle components from dirt and contaminants
• Maintains proper lubrication within the axle housing
• Reduces risk of premature axle wear or failure
• Ensures consistent driveline performance in Jeep Cherokee, J10, and Wagoneer vehicles

Installation Notes and Tips

• Verify the seal dimensions against the axle shaft and housing bore before installation
• Clean the sealing surfaces thoroughly to remove debris and old sealant
• Use appropriate tools to press the seal evenly into the housing bore
• Avoid damaging the sealing lip during installation to maintain effectiveness
• Check for proper alignment to prevent leaks and premature wear

Quality Assurance and Warranty

National drive axle shaft seals, including part number 472319, are manufactured to meet strict industry standards for durability and performance. The zero duplication part designation ensures a unique and precise fit for the specified Jeep models. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s reliability and longevity.