Bearing

Replaces: 31-92366A1

Replaces: 73020A14, 818763A10

For: #1R/MR/Alpha I

For: Housings with casting #73020C

Replaces: 30-88957T

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: 45-55796

Replaces: 25-31534, 25-896524

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:

Mercruiser: 30-30956, 30-30956T, 31-30956T, 31-42647A1; OMC/Johnson/Evinrude: 387247; Honda: 91053-ZW1-003

Engines: BF90AT

BF75AT

Replaces: 28-30281

Replaes: 681001

For: MR/ ALPHA

Replaces:

12-835467-1, 12-835467Q01, 13171, 835467Q01

Replaces: 10-30206

Replaces: 865503T

Replaces: 17-828356

Replaces: 13-42351-1, 13-423511, 423511

Replaces: 31-92366A1

Replaces: 73020A14, 818763A10

For: #1R/MR/Alpha I

For: Housings with casting #73020C

Replaces: 30-88957T

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: 45-55796