FAG SS3147 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Chevrolet and GMC Vehicles

The FAG SS3147 differential pinion seal is engineered to provide durable sealing performance for a range of Chevrolet and GMC trucks and vans. Designed with precision, this seal helps maintain optimal driveline function by preventing leaks and contamination.

• Seal Type: Metal construction with spring and auxiliary lip for enhanced sealing
• Sealing Material: Durable nitrile compound for resistance to oil and wear
• Bore Diameter: 3.519 inches and 89.383 mm for precise fitment
• Seal Outside Diameter: 3.523 inches and 89.484 mm ensuring secure installation
• Seal Width: 15.011 mm and 2.201 inches for proper sealing depth

Technical Details and Specifications

The FAG SS3147 differential pinion seal features a metal body combined with a spring and auxiliary lip design, which enhances its ability to maintain a tight seal under varying operating conditions. The nitrile sealing material offers excellent resistance to oils and other automotive fluids, ensuring long-lasting performance. With bore diameters of 3.519 inches and 89.383 mm, and outside diameters of 3.523 inches and 89.484 mm, this seal is manufactured to exact tolerances for a secure fit. The seal width of 15.011 mm (2.201 inches) provides the necessary sealing surface to prevent leaks in the differential pinion area.

Compatible Chevrolet and GMC Models

This differential pinion seal is compatible with a wide range of Chevrolet and GMC trucks and vans, including but not limited to C20, C20 Suburban, C30, C35, C2500, C2500 Suburban, C3500, Express 2500, Express 3500, G20, G30, K20, K20 Suburban, K30, K1500, K2500, K2500 Suburban, K3500, P20, P30, P2500, P3500, R30, R1500 Suburban, R2500, R2500 Suburban, R3500, Savana 2500, Savana 3500, V10 Suburban, V20, V20 Suburban, V30, V1500 Suburban, V2500, V2500 Suburban, and V3500 models. The precise fitment ensures reliable sealing performance across these applications.

Common Applications and Problem Resolution

• Prevents differential oil leaks that can lead to driveline damage
• Reduces contamination ingress to protect internal differential components
• Maintains proper lubrication by sealing the pinion area effectively
• Addresses wear-related seal failures in older or high-mileage vehicles
• Helps avoid costly repairs caused by differential fluid loss

Installation Notes and Tips

When installing the FAG SS3147 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 casing. Verify the seal orientation matches the original part to maintain proper sealing function. It is recommended to inspect the pinion shaft and surrounding components for wear or damage before installation.

Quality Assurance and Warranty

FAG manufactures the SS3147 differential pinion seal to meet stringent quality standards, ensuring reliable performance in demanding automotive environments. The use of high-grade nitrile material and robust metal construction contributes to the seal's durability. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to support their intended use in Chevrolet and GMC driveline systems.