FAG SS3123 Transfer Case Output Shaft Seal - Rear

Reliable Transfer Case Output Shaft Seal for Vehicle Maintenance

The FAG SS3123 transfer case output shaft seal is engineered to provide durable sealing performance for various vehicle makes and models. Designed with precision, this seal helps maintain the integrity of your transfer case by preventing fluid leaks and contamination.

• Seal Type: Metal construction with spring, auxiliary lip, and inner shell for enhanced sealing
• Sealing Material: High-quality nitrile for resistance to oil and wear
• Bore Diameter: 3.371 inches (85.623 mm) ensuring a precise fit
• Seal Outside Diameter: 3.376 inches (85.75 mm) for secure installation
• Seal Width: 2.125 inches (9.525 mm) providing optimal coverage

Technical Details and Construction

The SS3123 transfer case output shaft seal from FAG features a metal outer shell combined with a spring-loaded auxiliary lip, which enhances the seal’s ability to maintain contact with the shaft under varying operating conditions. The nitrile sealing material offers excellent resistance to automotive fluids, including gear oil, ensuring long-lasting performance. With exact bore and outside diameters, this seal fits securely to prevent leaks and protect the transfer case components from dirt and moisture.

Applications and Common Issues Addressed

• Prevents transfer case fluid leaks that can lead to low lubrication and component damage
• Protects against contamination from dirt and water entering the transfer case
• Reduces wear on the output shaft by maintaining proper sealing pressure
• Helps maintain transfer case efficiency and prolongs drivetrain life

Installation Notes and Tips

When installing the FAG SS3123 transfer case output shaft seal, ensure the shaft 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 shell. Verify the seal orientation matches the original part to maintain proper sealing function. It is recommended to inspect the output shaft for wear or damage before installation to ensure optimal performance.

Quality Assurance and Warranty

FAG manufactures the SS3123 seal to meet strict quality standards, ensuring reliable performance in demanding automotive environments. The use of nitrile sealing material and robust metal construction supports durability and resistance to common transfer case conditions. While specific warranty details are not provided, FAG products are generally backed by manufacturer quality guarantees consistent with industry standards.