NTN NS5778V Differential Pinion Seal

The NTN NS5778V is a premium differential pinion seal engineered to prevent lubricant leakage from the differential housing where the pinion shaft exits. This precision-manufactured seal creates a reliable barrier between the rotating pinion shaft and the stationary differential housing, ensuring proper lubrication retention and protecting internal components from contamination.

Key Features:

• Precision-molded elastomer construction for superior sealing performance
• Metal case provides structural rigidity and precise fit in the differential housing
• Garter spring maintains consistent lip pressure against the pinion shaft throughout the seal's service life
• Designed to withstand high shaft speeds and temperature extremes common in differential applications
• Direct replacement for worn or leaking factory seals

NTN seals are manufactured to OEM specifications using high-quality materials that resist oil degradation, heat, and wear. Proper installation of this seal is critical for maintaining differential fluid levels and preventing costly damage to ring and pinion gears. This seal is designed for professional installation and requires proper tools for correct seating depth.