FAG SS3883 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Driveline Systems

The FAG SS3883 differential pinion seal is engineered to provide durable sealing performance in driveline and axle applications. Designed with high-quality Viton sealing material and a metal spring auxiliary lip, this seal ensures effective protection against leaks and contamination.

• Seal Type: Metal with spring and auxiliary lip for enhanced sealing
• Sealing Material: Viton for superior chemical and temperature resistance
• Bore Diameter: 139.7 mm and 5.5 mm for precise fitment
• Seal Outside Diameter: 139.903 mm and 5.508 mm for secure installation
• Seal Width: 14.478 mm and 3.252 mm for optimal sealing depth

Technical Details and Material Specifications

The FAG SS3883 differential pinion seal features a robust metal construction combined with a spring-loaded auxiliary lip to maintain consistent contact with the pinion shaft. The use of Viton as the sealing material offers excellent resistance to heat, oil, and other automotive fluids, making it suitable for demanding driveline environments. The precise bore and outside diameters ensure compatibility with specific axle assemblies, reducing the risk of leaks and premature wear.

Applications and Problem Solving

This differential pinion seal is designed for use in various driveline and axle systems, particularly in vehicles requiring reliable sealing solutions to maintain differential performance. It addresses common issues such as:

• Preventing oil leaks from the differential pinion area
• Protecting internal components from dirt and moisture ingress
• Reducing wear caused by contamination and fluid loss
• Maintaining proper lubrication within the differential assembly
• Extending the service life of driveline components

Installation Notes and Tips

When installing the FAG SS3883 differential pinion seal, ensure the bore and outside diameters match the vehicle’s specifications. Clean the sealing surface thoroughly before installation to avoid damage or leaks. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal width fits the axle housing to maintain proper sealing pressure.

Quality Assurance and Warranty

FAG manufactures the SS3883 differential pinion seal to meet stringent quality standards for automotive driveline components. The use of Viton sealing material and metal spring design reflects a focus on durability and reliability. While specific warranty details are not provided, FAG products typically adhere to industry standards for performance and longevity.