18-2180 - Drive Shaft, 45-42634
18-2180 DRIVE SHAFT Replaces: Mercruiser 45-42634
For all MR/ALPHA Units & older units which have been retro-fitted with MR/ALPHA lower units.
Sierra Marine Drive Shaft is equivalent to parts:
- 45 42634 Mercury Marine
- 9-72460 Mallory Marine
Additional information about this part can be found on page(s) 723 of the Sierra Marine catalog.