National 710847 Differential Pinion Seal - Rear Outer

Overview of National 710847 Differential Pinion Seal

The National 710847 differential pinion seal is engineered to provide reliable sealing performance for driveline components. Designed with precision to fit various Nissan, Infiniti, and Suzuki models, this oil seal helps maintain optimal differential function by preventing fluid leaks.

• Inside diameter: 1.772 inches (45.000 mm)
• Outside diameter: 2.957 inches (75.100 mm)
• Thickness: 0.532 inches (13.500 mm)
• Flanged outside diameter: 3.189 inches (81.000 mm)
• Material: Polyacrylate for enhanced durability
• Helix type: Clockwise-spiral lip design for effective sealing
• Overall width with side lip: 0.748 inches (19.000 mm)

Technical Description and Specifications

The National 710847 differential pinion seal features a polyacrylate construction that offers resistance to heat and wear, suitable for demanding automotive environments. Its clockwise-spiral lip design ensures a tight seal around the pinion shaft, which measures 1.772 inches (45.000 mm) in diameter. The housing bore diameter is 2.953 inches (75.000 mm), matching the seal’s outside diameter closely to provide a secure fit. The flanged outside diameter of 3.189 inches (81.000 mm) aids in proper installation and retention within the differential housing. With an overall width of 0.748 inches (19.000 mm) including the side lip, this seal maintains a compact profile while delivering effective sealing performance.

Compatible Vehicles and Applications

This differential pinion seal is compatible with a range of Nissan, Infiniti, and Suzuki vehicles, including but not limited to:

• Nissan 350Z, 370Z, Frontier, Pathfinder, Xterra
• Infiniti EX35, EX37, FX35, FX37, FX45, FX50, G25, G35, G37, M35, M37, M45, M56, Q40, Q45, Q60, Q70, Q70L, QX50, QX70
• Suzuki Equator

Part number 710847 is designed specifically for these models to ensure proper fit and function within the differential assembly.

Common Issues Addressed by the National 710847 Seal

• Prevents differential oil leaks that can lead to lubrication failure
• Reduces contamination ingress into the differential housing
• Maintains proper oil pressure within the driveline system
• Minimizes wear on the pinion shaft and bearings
• Helps avoid costly differential repairs due to seal failure

Installation Notes and Tips

When installing the National 710847 differential pinion seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing. It is recommended to inspect the pinion shaft for wear or damage before installation to ensure a proper seal.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in driveline sealing systems, the 710847 differential pinion seal is produced to meet industry standards for durability and performance. The polyacrylate material and precision design contribute to long service life under normal operating conditions. Warranty details should be confirmed with the product supplier or manufacturer.