MerCruiser 45-816919 45-816472 Driveshaft Alpha One Gen II Lower Unit 1991-1997 Flywheel Commonly found with the older

Commonly found with the older single & double solenoid Rectangular aluminum & plastic reservoir Prestolite pumps which were also found on some early trim systems found on Mercury Outboards

Chevy GM 4

overall good condition

This was removed from a Mercruiser Hurth 630V Transmission Inboard

MerCruiser 45-816919 45-816472 Driveshaft Alpha One Gen II Lower Unit 1991-1997 Flywheel Commonly found with the olderItem Details MerCruiser Lower Unit Drive Shaft 45 816919 used in all MerCruiser Gen II Sterndrive gearcases 1991 1997 (Outdrive Serial Numbers OD469859 OK999999) Basically the difference with the 1998 & up stuff was the bearing used on the shaft as all of the aftermarket driveshafts replace 45 816919 45 816472 45 853648 45 853647 Replaces Equivalent: 45 816919, Sierra 18 2261 45 816919 was the "heavy duty" version of 45 816472 for the 1. 62 & 1. 47