Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser Outdrive Shim Kit Application Guide

Shimming Application Chart Part Number and Serial Number

Model
Year
Serial number
For gear
bearing
shim kit
Rev gear shim kit
Driven
gear
shim kit
Drive
gear
shim kit
Upper
cover
shim kit
Driven
gear
spacer
I

1963

1534570-1536617
   
N.L.A.
N.L.A.
23261
N / A
I

1963

1536618-1684187

   
N.L.A.
N.L.A.
23261
N / A
IA/IB/IC
& EZ SHIFT

1964-1966

1684188-2065186

23220
 
23270
23280
23261
N / A
120/140

1967

2062141-2187468

23220
 
23270
23280
23270
28380
120/140

1967-1969

2187469-2791956

23220
 
23270
23280
23261
28380
120/140

1970-1971

2791957-3134193

23220
 
23270
23280
N/A
28380
120/140

1971-1977

3213658-4893634

23220

23290

23270
23280
23260
28380
120/140

1978-1982

4893635-6225576

23220
 
23270
23280
23260
28380
470

1976-1977

4208730-4893934

23220

23290

23270
23280
23260
28380
470/485

1978-1982

4893935-6225575

23220
 
23270
23280
23260
28380
160

1967

2065190-2182197

23220
 
23270
23280
23270
28380
160

1967-1969

2182198-2763441

23220
 
23270
23280
23261
28380
165

1970-1971

2182198-2763441

23220
 
23270
23280
N/A
28380
165

1971-1977

3213658-4890459

23220

23290

23270
23280
23260
28380
165

1978-1981

4890460 and Up

23220
 
23270
23280
23260
28380
888

1971-1972

3106717-3472477

23220
 
23270
23280
N/A
28380
888

1973-1977

3472478 and Up

23220
 
23270
23280
23260
28380
225-S

1974

3856268-4200499

23220
 
23270
23280
23260
28380
233

1975-1977

4200500 and Up

23220
 
23270
23280
23260
28380
898/228

1977

4782330-4898729

23220
 
23270
23280
23260
28380
898/228

1978-1982

4898730-6225576

23220

23290

23270
23280
23260
28380
250

1977

4791300-4898729

23220
 
23270
23280
23260
28380
260

1978-1982

4898730-6225576

23220

23290

23270
23280
23260
28380
R

1983-1984

6225577 and Up

23220

23290

23270
23280
23260
28380
MR/Alpha One
Gearcase

1984-1990

6225577 and Up

23220

N/A

23270
23280
23260
28380
MR/Alpha One
Gearcase (CR)

1983-1990

6225577 and Up

-

23220

23270
23280
23260
28380
Alpha One
SS

1986-1989

0A545004 and Up

23220

N/A

N/A
23280
23260
28380
Alpha One
Gen II

1991-1995

0D469859-0F679999
23220

N/A

23270
23280
23260
28380
Alpha One
Gen II

1996 and Newer

0F680000 and Up

23221

N/A

23270
23280
23261
28380
Alpha One
Gen II (CR)

1991-1995

0D469859-0F679999

 

23220

23270
23280
23260
28380
Alpha One
Gen II (CR)
1996 and Newer

0F680000 and Up

-

23221

23270
23280
23261
28380
215E/H

1970-1972

2782203-2915034

 

N/A

N.L.A.
N.L.A.
N/A