1990-2007 Duramax/ Cummins NV4500 Mainshaft Synchronized Reverse Gear (ZMNV17309)

Fits

For those who like to do it themselves, once you get into building or re-building, you'll find that often there are small pieces that always seem to be inherently hard to find anywhere. USA Standard Gear produces top-quality transfer case small parts for repair and maintenance, including full top-to-bottom overhauls and rebuilds.

Part Number: ZMNV17309

• NV4500 Manual Transmission
• Synchronized Reverse Gear Mainshaft
  
• 39-Tooth
• Compatible with 2 3/4" Wide Reverse Idler