MerCruiser 818290A6 Gen II Lower Unit Gearcase Bearing Carrier Counter Rotation Oil Senders Pumps and Remote Filters 17437 60658 850399 18-3583 Alpha

17437 60658 850399 18-3583 Alpha one

Spark Plug holes appear to have heli-coils in them but fully functional

1989 1990 1991 1992 1993 1994 1995

Lower Cover: 53041

This is a propeller shaft for a counter-rotation sterndrive

MerCruiser 818290A6 Gen II Lower Unit Gearcase Bearing Carrier Counter Rotation Oil Senders Pumps and Remote Filters 17437 60658 850399 18-3583 AlphaItem Details MerCruiser Sterndrive Lower Unit Bearing Carrier 818290 C1 818290A6 for Alpha One Gen II lower units (S N 0F680000 & Up) Which is 1996 & Up Also Found On Mercury & Mariner 2. 5L & 3. 0L Outboards or Various (110hp, 115hp, 150hp, 175hp, 200hp, 225hp, 250hp, 300hp) Models 1994 Present As 818290A1 818290A4 818290A6 818290A8 Please Check a parts diagram or ask me to ensure compatibility. Used in MerCruiser Alpha One Sterndrive Gen II 1996 &