MerCruiser 45-853647 Alpha One Driveshaft Gen II Lower Gearcase 3.0L 4.3L 1998Up Mercruiser Propeller UNPAINTED (RAW) MACHINED ALUMINUM

UNPAINTED (RAW) MACHINED ALUMINUM

325 GM 427 V-8 1969-1972 2278747 THRU 3780449

I'm sure there is a replacement in the included kit if you want to replace this

please don't hesitate to contact me

500 50hp 650 65hp 800 80hp 850 85hp 4cyl 6cyl

MerCruiser 45-853647 Alpha One Driveshaft Gen II Lower Gearcase 3.0L 4.3L 1998Up Mercruiser Propeller UNPAINTED (RAW) MACHINED ALUMINUMItem Details MerCruiser Lower Unit Drive Shaft 45 853647 used in all MerCruiser Gen II Sterndrive gearcases 1998 & UP (1. 81: 1 1. 94: 1 2. 00: 1 2. 40: 1) Ratio (which is 3. 0L & 4. 3L) Basically the difference between 45 853648 & 45 853647 is that the 45 853648 was the "heavy duty" version of 45 853648. Dimensionally they were the same otherwise, and the 1998 & up gearcases used a different bearing & retainer on the shaft. This will also replace 45