MerCruiser 45-816919 45-816472 Driveshaft Alpha One Gen II Lower Unit 1991-1997 Flywheel These are used on Alpha

These are used on Alpha One

This was removed from a Mercruiser Hurth 630V Transmission Inboard

pretty much used on both single and double solenoid trim pumps

383315 / 0383315 /  48-82764 / Michigan Wheel PJ-011S

MerCruiser 45-816919 45-816472 Driveshaft Alpha One Gen II Lower Unit 1991-1997 Flywheel These are used on AlphaItem 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