FAG SS3664 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Chevrolet Bel Air

The FAG SS3664 differential pinion seal is engineered to provide a durable and precise sealing solution for Chevrolet Bel Air driveline systems. Designed with high-quality nitrile sealing material and a metal spring construction, this seal ensures effective protection against leaks and contamination.

• Seal Type: Metal with spring for consistent tension
• Sealing Material: Durable nitrile for resistance to oil and wear
• Bore Diameter: 1.686 inches (42.824 mm) for accurate fitment
• Seal Outside Diameter: 1.69 inches (42.926 mm) ensuring proper housing engagement
• Seal Width: 1.063 inches (6.35 mm) for optimal sealing surface

Technical Details and Construction

The FAG SS3664 differential pinion seal features a metal case reinforced with a spring to maintain constant pressure on the sealing lip, preventing oil leaks in the differential assembly. The nitrile sealing material offers excellent resistance to automotive fluids and temperature variations, making it suitable for the demanding environment of the Chevrolet Bel Air's driveline. Precise bore and outside diameters ensure a secure fit, minimizing the risk of seal failure due to improper installation or wear.

Compatible Applications and Problem Solving

This differential pinion seal is specifically compatible with Chevrolet Bel Air models, providing a direct replacement for worn or damaged seals. It addresses common driveline issues such as:

• Preventing differential oil leaks that can lead to lubrication loss
• Reducing contamination ingress that can cause premature wear
• Maintaining proper differential function by preserving seal integrity
• Minimizing drivetrain noise caused by fluid leakage

Installation Notes and Tips

When installing the FAG SS3664 differential pinion seal, ensure the sealing surface and bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip or metal case. Verify the seal orientation matches the original part to maintain proper sealing performance. Avoid using excessive force during installation to prevent deformation.

Quality Assurance and Warranty

FAG manufactures the SS3664 differential pinion seal to meet stringent quality standards, ensuring reliable performance in Chevrolet Bel Air driveline systems. The use of nitrile sealing material and metal spring construction reflects FAG's commitment to durability and precision. Warranty coverage details should be confirmed with the product documentation or supplier.