SKF 18831 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Nissan Vehicles

The SKF 18831 differential pinion seal is engineered to provide durable sealing performance for Nissan Armada, Frontier, Pathfinder, TITAN, and Xterra models. Designed with precision dimensions and a longlife sealing surface, this seal helps maintain drivetrain integrity under demanding conditions.

Key Features of SKF 18831 Differential Pinion Seal

• Outside diameter: 3.167 inches for precise fitment
• Shaft diameter: 1.889 inches ensuring compatibility with Nissan driveline components
• Width: 0.519 inches for optimal sealing depth
• Longlife sealing surface type designed to resist wear and extend service intervals
• Compatible with Nissan Armada, Frontier, Pathfinder, TITAN, and Xterra models

Detailed Product Description

The SKF 18831 differential pinion seal is manufactured to meet OEM specifications, providing a reliable barrier against lubricant leaks and contamination in the differential assembly. Its 3.167-inch outside diameter and 1.889-inch shaft diameter ensure a secure fit on Nissan driveline components. The 0.519-inch width offers sufficient sealing surface engagement, while the longlife sealing surface type enhances durability by reducing friction and wear. This seal is designed specifically for Nissan models including the Armada, Frontier, Pathfinder, TITAN, and Xterra, making it a precise replacement part for maintaining drivetrain performance.

Common Applications and Issues Addressed

• Prevents differential oil leaks that can lead to drivetrain damage
• Protects against dirt and debris entering the differential housing
• Reduces wear on pinion shaft bearings by maintaining proper lubrication
• Helps maintain consistent differential performance and vehicle handling
• Addresses seal degradation caused by heat and mechanical stress

Installation Notes and Tips

• Ensure the differential housing and pinion shaft 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 to maintain proper sealing function
• Check for any signs of wear or damage on mating surfaces before fitting the new seal
• Follow vehicle manufacturer torque specifications when reassembling components

Quality Assurance and Warranty

SKF manufactures the 18831 differential pinion seal to strict quality standards, ensuring consistent performance and durability. While specific warranty terms may vary, SKF products typically come with a limited warranty against manufacturing defects. Using this seal helps maintain the integrity of Nissan Armada, Frontier, Pathfinder, TITAN, and Xterra driveline systems by providing reliable sealing and protection.