FAG SS3378 Wheel Seal - Rear Inner

Reliable Wheel Seal for Driveline and Axles

The FAG SS3378 wheel seal is engineered to provide dependable sealing performance in driveline and axle applications. Designed with a metal spring, auxiliary lip, and inner shell, this seal ensures effective protection against contaminants and fluid leakage.

• Seal Type: Metal with spring, auxiliary lip, and inner shell for enhanced durability
• Sealing Material: Nitrile for resistance to oils and wear
• Bore Diameter: 120.675 mm (4.751 inches)
• Seal Outside Diameter: 120.802 mm (4.756 inches)
• Seal Width: 10.922 mm (3.5 inches)

Technical Details and Construction

The FAG SS3378 wheel seal features a robust construction combining a metal spring and auxiliary lip to maintain consistent sealing pressure and prevent leakage under various operating conditions. The nitrile sealing material offers excellent resistance to automotive fluids, making it suitable for use in a wide range of vehicles. With precise bore and outside diameters, this seal fits securely to maintain axle integrity and driveline performance.

Applications and Problem Solving

This wheel seal is designed for use in driveline and axle assemblies where reliable sealing is critical. It addresses common issues such as:

• Preventing grease and lubricant leakage from wheel hubs
• Protecting bearings and axle components from dirt and moisture ingress
• Reducing wear caused by contamination in axle assemblies
• Maintaining proper lubrication levels for extended component life

Installation Notes and Tips

When installing the FAG SS3378 wheel seal, ensure the sealing surface is clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the correct orientation of the auxiliary lip and spring to maintain optimal sealing performance. Proper installation helps prevent premature seal failure and maintains driveline reliability.

Quality Assurance and Warranty

FAG manufactures the SS3378 wheel seal to meet stringent quality standards for automotive sealing systems. The use of nitrile material and metal reinforcement ensures durability and consistent performance. While specific warranty details are not provided, FAG products typically adhere to industry standards for reliability and longevity in driveline applications.