Gearcase Components Diagrams

Alpha I - Generation 2

Replaces:

Mercruiser: 27-43033-1, 27-430331, 43033, 430331; Bombardier: 0509257; Honda: 19234-ZW1-003

OEM: 27-43033-1

Engines: 30HP +, BF90A

BF75A

Replaces:  817275A1

(genuine)

Replaces: 32768

Replaces: 26-821309

Replaces: 85083

Replaces: 53-880719

Replaces:

Mercruiser: 8037511; Tohatsu: 3B2-65011-0

Engines:

M6 / M8 / M9.8B

MFS8 / 9.8A - A2 -A3

Replaces: 

Mercruiser: 16159; Tohatsu: 369-65025-0

Engines:

MFS4A2-B-C

MFS5A2-B-C

MFSA2-B-C

Drive shaft.

Replaces:

Mercruiser: 26-43036; Honda: 91254-ZW1-003

Engines: BF90AT

BF75AT

Replaces: 19202001, 27-19202, 27-19202001

Replaces: 25-30271

Replaces: 46-70941A1

(used with Impeller NSP18623)