Replaces: 73020A14, 818763A10 For: #1R/MR/Alpha I For: Housings with casting #73020C
Replaces: 45-41939A1, 45-41939F1 For all #1 units S/N 2791957 & above except MR/ALPHA Units or units which have been retro-litted with MR/ALPHA lower units. Also for 165 (6 cyl.) S/N 2763442 & above.
Replaces: 45-42634 For all MR/ALPHA Units & older units which have been retro-fitted whith MR/ALPHA lower units.
Replaces: 45-816472, 45-816919 All Alpha I Generation II Drives (with new style 18-3056 Impeller) Serial #D494569 & above.
Replaces: 31-35990A1 Roller Bearing (1.62, 1.81, 1.94, 2.00, 2.40 Ratio)
Replaces: Mercruiser: 30895T, 31-30895, 31-30895T; Honda: 91057-ZW1-003 Engines: BT90AT BF75AT
Prop shaft. Replaces: Mercruiser: 26-14077, 26-76868; OMC/Johnson/Evinrude: 320862; Honda: 91252-ZW1-003 Engines: BF90AT BF75AT