National 710387 Wheel Seal - Rear Outer

Overview of National 710387 Wheel Seal for Kia Sportage

The National 710387 wheel seal is designed specifically for Kia Sportage models, providing reliable sealing performance for driveline and axle applications. Manufactured from durable nitrile material, this oil seal ensures effective protection against contaminants and fluid leaks.

• Inside diameter: 1.688 inches (42.880 mm)
• Outside diameter: 2.565 inches (65.140 mm)
• Housing bore: 2.561 inches (65.040 mm)
• Overall width with side lip: 0.492 inches (12.500 mm)
• Width: 0.374 inches (9.500 mm)
• Material: Nitrile rubber for resistance to oil and wear
• Part number: 710387, Series 710300

Detailed Product Description

The National 710387 wheel seal is engineered to fit the shaft diameter of 1.688 inches (42.880 mm) and housing bore of approximately 2.561 inches (65.040 mm), making it compatible with Kia Sportage driveline components. Constructed from nitrile, this oil seal offers resistance to heat, oil, and abrasion, which is critical for maintaining axle integrity and preventing lubricant leakage. The overall width of 0.374 inches (9.500 mm) with a side lip width of 0.492 inches (12.500 mm) ensures a secure fit and effective sealing under various operating conditions.

Common Applications and Problem Solving

• Prevents oil leaks from wheel hubs and axle assemblies
• Protects driveline components from dirt, dust, and moisture intrusion
• Reduces wear on axle shafts by maintaining proper lubrication
• Helps maintain vehicle driveline efficiency and performance
• Addresses seal failure issues common in Kia Sportage wheel assemblies

Installation Notes and Tips

• Ensure the shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify correct orientation of the seal lip to face the lubricant side
• Check for proper fitment with the Kia Sportage model year and axle specifications
• Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear

Quality Assurance and Warranty

National wheel seals, including part number 710387, are manufactured to meet industry standards for durability and performance. The nitrile material used provides consistent resistance to oil and temperature variations. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring reliability for Kia Sportage driveline maintenance.