FAG SS2678 Drive Axle Shaft Seal - Front, Front Left or Front Right

Overview of FAG Drive Axle Shaft Seal SS2678

The FAG Drive Axle Shaft Seal SS2678 is engineered to provide reliable sealing performance for select Chevrolet, GMC, and Hummer vehicles. Designed with durable nitrile sealing material and a metal spring auxiliary lip, this seal ensures effective protection against contaminants and fluid leaks in driveline applications.

• Seal Type: Metal with spring and auxiliary lip for enhanced sealing
• Sealing Material: High-quality nitrile for resistance to wear and fluids
• Bore Diameter: Approximately 2.402 inches (61.011 mm)
• Seal Outside Diameter: Approximately 2.407 inches (61.138 mm)
• Seal Width: Approximately 1.614 inches (16.002 mm)

Technical Details and Specifications

The SS2678 drive axle shaft seal features a robust construction combining a metal case with a spring-loaded auxiliary lip, which maintains consistent contact with the axle shaft to prevent leakage. The nitrile sealing material offers excellent resistance to oil, grease, and other automotive fluids, making it suitable for heavy-duty use. Precise dimensions, including a bore diameter near 2.4 inches and a seal width of about 1.6 inches, ensure a proper fit and reliable sealing performance in compatible driveline assemblies.

Compatible Vehicles and Applications

This drive axle shaft seal is compatible with a range of Chevrolet, GMC, and Hummer models, including:

• Chevrolet Avalanche 2500, Silverado 1500, 2500, 3500, and Suburban 2500
• GMC Sierra 1500, 2500, 3500, and Yukon XL 2500
• Hummer H2
• Heavy-duty trucks such as K2500, K3500, and Sierra 2500 HD Classic

It is designed specifically for driveline and axle sealing systems, ensuring proper fitment and function in these vehicles.

Common Issues Addressed by the SS2678 Seal

• Prevents axle shaft oil leaks that can lead to driveline damage
• Protects against dirt and debris intrusion into axle assemblies
• Reduces wear on axle components by maintaining proper lubrication
• Helps maintain vehicle driveline efficiency and performance
• Minimizes risk of seal failure under heavy-duty operating conditions

Installation Notes and Tips

When installing the FAG SS2678 drive axle shaft seal, ensure the sealing surface and bore are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation matches the original part, with the auxiliary lip facing the lubricant side. Proper installation will help maintain the integrity of the seal and prevent premature failure.

Quality Assurance and Warranty

FAG manufactures the SS2678 seal to meet stringent quality standards for driveline components. The use of nitrile sealing material and metal spring design contributes to durability and consistent performance. While specific warranty details are not provided, FAG products typically adhere to industry standards for reliability and fitment in OEM applications.