Drive System

Replaces: 45518A2, 45518A3

Replaces: 1547-861063A8

For: Gen II (1991 & UP) for gear ratios 1.81:1, 1.84:1. (17/19)

Engine: 4.3L/4.3LX

Replaces: Mercruiser: 816597, 816597A1

Engines: 200 HP (DFI), 200 HP (EFI), 200 HP (Carb), 200 HP (Seapro), 225 HP (DFI), 225 HP (EFI), 225 HP (Carb), 225 HP (Seapro), (3.0L)

Model / OEM: 816597A1

Replaces: Mercruiser: 53-815949, 815949

Replaces: Mercruiser: 807166A1

Replaces: 55989Q9, 55989A9

Quantity: 1

Port

Replaces: Mercruiser: 815935A3, 815935A7, 8M0108277, 8M0118958

ALPHA ONE GEN II

Replaces: 91-61067A3, 91-61067A04

Holds pinion nut when removing pinion gear and drive shaft on MC-I, R-MR, and Alpha One drive units.

Comes with one NSP823 drive shaft adaptor (Replaces: 91-56775T )

Replaces: 45-816472, 45-816919 

All Alpha I Generation II Drives (with new style 18-3056 Impeller) Serial #D494569 & above.

Replaces: 14-79447

Replaces: 43-828073A1

For: Alpha I/Gen II lower S/N D469859 & UP

Port

Replaces: 934241

For: MR Alpha