1990-2007 Duramax/ Cummins NV4500 4th Gear Countershaft 5.61 Ratio (ZMNV17272)

A gear counter is responsible for smooth shifting and efficient power transfer, effectively managing the transfer of torque and rotational speed. Like many other components within the transmission, if you smell burning, hear grinding, or experience delayed or difficulty shifting, these are telltale signs of a failing countershaft.

Part Number: ZMNV17272

• NV4500 Manual Transmission
• 4th Countershaft Gear
  
• 5.61 Ratio
• 38-Tooth
  

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