- New Replacement Main Shaft
- 100mm OD
- 45mm ID
- 18mm Thick
- For 4WD Only. -Will not fit 2WD ZF6 Transmissions.
Fits: 2001-2006 Chevy & GMC 2500 & 3500 applications with the 6.6l LB7/LLY/LBZ Duramax or 8.1L with the ZF6 Manual Transmission
Replaces ZF#: 6013DDU-45MM