Autopart International 1776-321722 Rear Differential Pinion Seal

The Autopart International 1776-321722 is a rear outer differential pinion seal designed to prevent gear oil leakage from the differential housing where the pinion shaft exits. This seal is constructed with durable Viton material, which offers superior heat resistance and chemical compatibility compared to standard rubber seals, making it ideal for demanding drivetrain applications.

Key Features:

• Viton construction for enhanced durability and heat resistance
• Rear outer differential pinion seal application
• Direct replacement for OEM specifications
• Designed to prevent gear oil leaks and contamination
• Cross-references with multiple OEM part numbers including 5015618AB and E7UZ4676A

This differential pinion seal is engineered to meet or exceed original equipment standards, ensuring a proper seal between the pinion shaft and differential housing. The Viton material provides excellent resistance to high temperatures and petroleum-based lubricants, extending seal life in harsh operating conditions. Cross-references to TIMKEN 719316.