USA Standard Gear 72399 Manual Transmission Input Shaft Retainer - NV4500

The USA Standard Gear 72399 is a replacement input shaft retainer designed specifically for NV4500 manual transmissions. This precision-engineered component serves as the front bearing retainer housing that supports and secures the input shaft bearing assembly.

Key Features:

• Direct replacement for NV4500 5-speed manual transmission applications
• Manufactured to OEM specifications for proper fit and function
• Durable construction ensures reliable performance and long service life
• Critical component for maintaining proper input shaft alignment and support

The input retainer is an essential part of the NV4500 transmission rebuild process, housing the front bearing and providing structural support for the input shaft. This component is commonly replaced during transmission overhauls or when addressing bearing wear issues.