NTN NS100552 Differential Pinion Shaft Seal

The NTN NS100552 is a premium differential pinion shaft seal designed to provide reliable leak protection and extended service life in demanding drivetrain applications. This multi-purpose seal features a spring-loaded, multi-lip design that ensures consistent sealing pressure across a wide range of operating conditions.

Key Features:

• Spring-loaded multi-lip design for superior sealing performance
• Fluoro-elastomer construction for excellent chemical resistance
• Wide temperature range: -40°F to 400°F (-40°C to 204°C)
• Bi-directional helix lip design prevents fluid leakage in both directions
• Compatible with a wide range of differential fluids
• OE-style replacement quality meeting OEM standards

Specifications:

• Shaft diameter: 1.844 inches (46.84mm)
• Outside diameter: 2.872 inches (72.95mm)
• Flanged outside diameter: 3.228 inches (82.0mm)
• Thickness: 0.425 inches (10.8mm)
• Housing bore: 2.865 inches (72.77mm)

Cross-reference part numbers include: 100552, 18442, 3L84-4N299AA, 3L8Z-4N046AA, 8G13-4N299-A, 8G1Z-4N046-A, NA01-27-165, YL84-4N299AA, YL8Z-4N046AA, ZZCA-27-165. NTN (National Seals) has been providing premium sealing solutions for over 75 years, delivering quality and reliable performance for professional and DIY repairs.