National 710240 Wheel Seal - Front Inner

Overview of National 710240 Wheel Seal

The National 710240 wheel seal is designed to provide reliable sealing performance for driveline components. Engineered with nitrile material, this oil seal is compatible with various Chevrolet, Geo, GMC, Pontiac, and Suzuki models, including the LUV, Sidekick, Sunrunner, Tracker, Vitara, and X-90.

• Inside diameter: 2.953 inches (75.000 mm)
• Outside diameter: 3.433 inches (87.200 mm)
• Housing bore: 3.425 inches (87.000 mm)
• Width: 0.276 inches (7.000 mm)
• Material: durable nitrile rubber
• Part type: oil seal for wheel applications
• Series: 710200

Detailed Product Description

The National 710240 wheel seal is part of the 710200 series, designed specifically for driveline and axle sealing systems. Constructed from nitrile, this seal offers resistance to oil, grease, and other automotive fluids, ensuring long-lasting performance in demanding environments. The precise dimensions, including a 2.953-inch inside diameter and a 3.433-inch outside diameter, make it suitable for wheel hubs requiring a tight, secure fit. The 0.276-inch width provides adequate sealing surface to prevent leakage and contamination.

This wheel seal is engineered to fit the housing bore of 3.425 inches, matching closely with the 87 mm metric measurement, which is critical for proper installation and function. Its design supports the integrity of the axle assembly by maintaining lubrication and preventing dirt ingress, which is essential for the longevity of wheel bearings and related components.

Compatible Vehicles and Applications

This National 710240 wheel seal is compatible with a range of vehicles, including Chevrolet LUV, Geo Sidekick, Pontiac Sunrunner, GMC Tracker, Suzuki Vitara, and Suzuki X-90 models. It is specifically suited for applications requiring a 35-type oil seal with the given dimensions, making it a reliable replacement part for maintaining driveline performance.

• Prevents oil leaks in wheel hubs
• Protects wheel bearings from dirt and debris
• Maintains proper lubrication in axle assemblies
• Reduces risk of premature bearing failure
• Ensures smooth driveline operation

Installation Notes and Tips

When installing the National 710240 wheel seal, ensure the housing bore and shaft dimensions match the seal specifications for a proper fit. Clean the sealing surfaces thoroughly before installation to avoid contamination. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip or the nitrile material. Verify the seal orientation, as incorrect installation can lead to leaks or premature wear.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 710240 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects, providing confidence in the product's reliability for automotive driveline applications.