FAG SS3251 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Chevrolet, Ford, Dodge, and More

The FAG SS3251 differential pinion seal is engineered to provide durable sealing performance for a range of heavy-duty vehicles. 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 construction with spring and auxiliary lip for enhanced sealing
• Sealing Material: Durable Viton for resistance to heat and chemicals
• Bore Diameter: 102.489 mm (4.035 inches) for precise fitment
• Seal Outside Diameter: 102.616 mm (4.04 inches) ensuring secure installation
• Seal Width: 10.643 mm (2.5 inches) for optimal sealing surface

Technical Details and Construction

The FAG SS3251 differential pinion seal features a robust metal casing combined with a spring-loaded auxiliary lip that maintains consistent pressure against the pinion shaft. The use of Viton as the sealing material offers superior resistance to high temperatures, oils, and other automotive fluids, making it suitable for demanding driveline applications. With precise bore and outside diameters, this seal fits securely in the differential housing, minimizing the risk of leaks and premature wear.

Compatible Vehicles and Applications

This differential pinion seal is compatible with various models from Chevrolet, Dodge, Ford, GMC, and Jeep, including Chevrolet C35, C1500, C3500, Ford F-350 and F-350 Super Duty, Dodge Ram 2500 and 3500, GMC Sierra 3500, Jeep Liberty, and others. The part number SS3251 ensures correct fitment for these specific heavy-duty trucks and SUVs, providing reliable sealing for the driveline and axle assemblies.

• Prevents oil leaks in differential pinion shafts
• Protects against dirt and debris contamination
• Maintains driveline lubrication integrity
• Reduces risk of differential damage due to seal failure
• Supports consistent vehicle performance under heavy load

Installation Notes and Tips

When installing the FAG SS3251 differential pinion seal, ensure the differential housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Regular inspection of the seal during maintenance intervals can help detect early signs of wear or leakage.

Quality Assurance and Warranty

FAG manufactures the SS3251 differential pinion seal to meet stringent quality standards for automotive sealing components. The use of Viton 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 in driveline applications.