Precision Parts 710507 Rear Inner Differential Pinion Seal

The Precision Parts 710507 is a rear inner differential pinion seal designed as a direct OE replacement to restore a leak-free seal between the differential pinion shaft and housing. Engineered from high-quality nitrile rubber, this seal delivers reliable performance across a wide temperature range and resists swelling in hydrocarbon-based fluids such as gear oil.

Key Features:

• Spring-loaded, multi-lip design for consistent sealing pressure and superior leak prevention
• Nitrile construction with excellent low-temperature capability and low swell in hydrocarbon fluids
• Temperature range: -40°F to 225°F (-40°C to 107°C)
• Inside diameter: 2.088 in (53.04 mm)
• Outside diameter: 2.915 in (74.04 mm)
• Flanged outside diameter: 3.309 in (84.05 mm)
• Thickness / width: 0.500 in (12.70 mm)
• Housing bore: 2.911 in (73.94 mm)
• Type 74 seal, 710500 Series

This pinion seal meets or exceeds OEM standards and is a direct cross-reference for National Seals 710507, ACDelco 710507, and Timken 710507. It is the ideal replacement part for restoring drivetrain integrity and preventing differential fluid loss.