Drive System

Replaces: 1623-815822A53

For: Ratios 1.47, 1.62, 1.81 & 1.94

Fits: Gen II (1998 & up) 0L 100040 & up

Serial number: OD469859 and up.

Replaces: 10-97934A1

For: R/MR/Alpha I/ Gen II/ Bravo

Replaces:Mercruiser: 30605, 32435, 324351, 32435B, 8M0204677

For #1 Units thru S/N D494568

Replaces: 98230A1 (Mercruiser)

Replaces: 25-87400A2

Alpha One/ Gene II/ Bravo

Replaces: 806193A20

Aligns engine and drive unit during installation.

Replaces: 91-57797A3, 91-805475A1

For use with all #1 units

Replaces: 14505A2

Used when replacing V6 or V8 2 piece rear main seal with 3-1/2" crankshaft bolt pattern to a newer 1 piece rear main seal engine with 3" bolt pattern

Replaces: 43436

For: #1R, MR, Alpha, Alpha I, Gen II & Bravo

Replaces: 35915

Replaces: 53114A1

Exhaust Tube

Replaces: 816685

For: Alpha Gen II (1991-98)

MC-MR1-ALPHA ONE ALPHA ONE GEN II