Autopart International 1776-520346 Differential Pinion Seal

The Autopart International 1776-520346 is a differential pinion seal designed to prevent fluid leaks from the pinion shaft housing in rear-wheel drive and four-wheel drive vehicles. This seal creates a critical barrier between the rotating pinion shaft and the differential housing, ensuring proper gear oil retention and protecting internal components from contamination.

Key Features:

• Manufactured to meet or exceed OEM specifications for reliable performance
• Constructed with application-specific elastomer material for optimal sealing properties
• Precision-molded design ensures proper fit and dimensional accuracy
• Durable construction resists heat, pressure, and automotive fluids
• Direct replacement for original equipment seal

Pinion seals are essential maintenance components that should be replaced whenever differential service is performed or when leaks are detected. Proper installation with the correct seal driver tool is recommended to prevent damage and ensure leak-free operation.