FAG SS3780 Transfer Case Input Shaft Seal

Overview of FAG Transfer Case Input Shaft Seal SS3780

The FAG Transfer Case Input Shaft Seal SS3780 is engineered for reliable sealing performance in transfer cases of select Nissan and Infiniti vehicles. Designed with durable Viton sealing material and a rubber spring auxiliary lip, this seal helps maintain optimal transfer case function by preventing fluid leaks.

• Seal Type: Rubber with spring and auxiliary lip for enhanced sealing
• Sealing Material: High-quality Viton for chemical and temperature resistance
• Bore Diameter: Approximately 2.362 inches (59.995 mm)
• Seal Outside Diameter: Approximately 2.367 inches (60.122 mm)
• Seal Width: 1.89 inches (7.01 mm)

Technical Details and Specifications

The SS3780 transfer case input shaft seal features a robust design with a rubber seal type incorporating a spring and auxiliary lip to ensure a tight fit and effective sealing under various operating conditions. The use of Viton as the sealing material provides excellent resistance to heat, oil, and other automotive fluids, making it suitable for demanding transfer case environments. The precise bore and outside diameters ensure compatibility with transfer cases in Nissan and Infiniti models, including the 350Z, 370Z, Altima, FX35, FX37, FX45, G35, G37, GT-R, Maxima, Murano, Pathfinder, Q50, Q60, and Xterra among others.

Compatible Vehicles and Applications

This transfer case input shaft seal is compatible with a wide range of Nissan and Infiniti vehicles, specifically designed to fit models such as the Nissan Frontier, NV1500, NV2500, NV3500, Quest, and various Infiniti models including EX35, EX37, JX35, M35, M37, Q40, Q70, Q70L, and QX series. The part number SS3780 ensures precise fitment for these vehicles, supporting proper transfer case operation and fluid retention.

Common Issues Addressed by the SS3780 Seal

• Prevents transfer case fluid leaks that can lead to component damage
• Reduces contamination ingress into the transfer case
• Maintains proper lubrication of the input shaft
• Helps avoid transfer case overheating due to fluid loss
• Minimizes wear on transfer case components by ensuring a secure seal

Installation Notes and Tips

• Ensure the transfer case input shaft and bore are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the original part for correct sealing performance
• Check for any signs of wear or damage on the shaft that could affect seal longevity
• Follow vehicle manufacturer torque specifications when reassembling components

Quality Assurance and Warranty

FAG manufactures the SS3780 transfer case input shaft seal to meet stringent automotive standards, utilizing high-grade Viton material and precision engineering. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to ensure durability and performance in demanding automotive applications.