FAG SS2987 Differential Pinion Seal - Rear

Overview of FAG Differential Pinion Seal SS2987

The FAG SS2987 differential pinion seal is engineered to provide reliable sealing performance for driveline systems. Designed with durable nitrile sealing material and a metal spring auxiliary lip, this seal ensures effective protection against leaks in various GM vehicles including Chevrolet, GMC, and Cadillac models.

• Seal Type: Metal construction with spring and auxiliary lip for enhanced sealing
• Sealing Material: High-quality nitrile for resistance to oil and wear
• Bore Diameter: Approximately 2.909 inches (73.889 mm)
• Seal Outside Diameter: Approximately 2.914 inches (74.016 mm)
• Seal Width: 1.94 inches (13.106 mm)

Technical Details and Specifications

The FAG SS2987 differential pinion seal features a robust metal design combined with a spring and auxiliary lip to maintain consistent pressure against the pinion shaft, preventing fluid leakage. The nitrile sealing material offers excellent resistance to automotive fluids and temperature variations, making it suitable for heavy-duty applications. With precise bore and outside diameters, this seal fits securely within the differential housing to maintain driveline integrity.

Compatible Vehicles and Applications

This differential pinion seal is compatible with a wide range of General Motors vehicles, including Chevrolet Blazer, C10, C1500, Silverado, Suburban, Tahoe, and GMC Sierra, Yukon, Savana, and more. It is designed for use in models such as the Chevrolet K5 Blazer, C2500 Suburban, and GMC R2500 Suburban, ensuring proper fitment and reliable sealing performance in these driveline systems.

Common Issues Addressed by FAG SS2987

• Prevents differential fluid leaks that can cause driveline damage
• Reduces contamination ingress into the differential assembly
• Maintains proper lubrication by sealing the pinion shaft
• Minimizes wear on differential components due to fluid loss
• Helps avoid costly repairs related to seal failure in GM trucks and SUVs

Installation Notes and Tips

When installing the FAG SS2987 differential pinion seal, ensure the differential housing and pinion shaft are 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. It is recommended to inspect related components such as bearings and gears during installation for optimal driveline performance.

Quality Assurance and Warranty

FAG manufactures the SS2987 differential pinion seal to meet stringent quality standards for durability and performance. The use of nitrile sealing material and metal spring design ensures long service life under typical operating conditions. While specific warranty details are not provided, FAG products are generally backed by manufacturer quality controls to support reliable automotive repairs.