FAG SS4977 Wheel Seal - Rear Inner

Overview of FAG SS4977 Wheel Seal for Nissan and Toyota

The FAG SS4977 wheel seal is engineered for reliable sealing performance in Nissan D21, Pickup, and Van models, as well as compatible Toyota vehicles. Designed with durable nitrile sealing material and a rubber spring auxiliary lip, this wheel seal ensures effective protection against contaminants and fluid leaks.

• Seal Type: Rubber with spring and auxiliary lip for enhanced sealing
• Sealing Material: High-quality nitrile for resistance to oils and wear
• Bore Diameter: Approximately 1.732 inches (43.993 mm)
• Seal Outside Diameter: Approximately 1.741 inches (44.221 mm)
• Seal Width: 1.339 inches (8.001 mm)

Technical Details and Specifications

The FAG SS4977 wheel seal features a precise bore diameter of 1.732 inches (43.993 mm) and an outside diameter of 1.741 inches (44.221 mm), providing a tight fit for the wheel hub assembly. The seal width of 1.339 inches (8.001 mm) ensures adequate coverage to prevent leakage. Constructed from nitrile, the sealing material offers excellent resistance to heat, oil, and abrasion, while the rubber spring and auxiliary lip design maintain consistent pressure against the shaft for optimal sealing performance.

Compatible Vehicles and Applications

This wheel seal is compatible with specific Nissan and Toyota models, including Nissan D21, Pickup, and Van. It is designed to replace worn or damaged seals in the driveline and axle assemblies, helping maintain proper lubrication and preventing dirt and moisture ingress.

• Prevents oil and grease leaks in wheel hubs
• Protects driveline components from dirt and debris
• Reduces risk of premature bearing failure
• Maintains proper lubrication within axle assemblies
• Helps avoid costly driveline repairs

Installation Notes and Tips

When installing the FAG SS4977 wheel 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. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with compatible grease before installation to reduce initial wear.

Quality Assurance and Warranty

FAG manufactures the SS4977 wheel seal to meet strict quality standards for durability and performance. The use of nitrile sealing material and a robust rubber spring design contributes to long service life under normal operating conditions. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to support reliability in automotive driveline applications.