Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser Gear Set Lower Unit Application Chart

Gear Application Chart for Outdrives / Cross Reference Table

  • Sterndrive gear sets for upper and lower unit gearcases
  • Application chart for all Mercruiser and Alpha 1 gears
  • Year, engine and ratio compatibility

Model
Gear ratio
Year
Serial #
Pinion forward gear
Rev.
Gear
Gear set
120 / 140
1.98

1967-1972

2062141-3443920
-
-
-
120 / 140
1.98

1972-1982

3469428-6225576
11100
11020
11300
470 / 485
1.84

1976-1982

4208730-6225575
11100
11020
11300
160
1.68

1967-1972

2065190-3443920
 -
-
-
165
1.65

1972-1981

3469428 and up
11100
11020
11300
888
1.50

1971-1977

3106717 and up
11100
11020
11300
225/233
1.50/1.32

1974-1977

3856268 and up
11100
11020
11300
898/228
1.65/1.50

1977-1982

4782330-6225576
11100
11020
11300
250/260
1.50/1.32

1977-1982

4791300-6225576
11100
11020
11300
R
ALL

1983

6225577 and up
11100
11020
11300
MR/Alpha One
ALL

1984-1990

6225577 and up
11091
11013
11312
MR/Alpha One CR
ALL

1984-1990

6225577 and up
-
-
-
Alpha One SS
ALL

1986-1989

0A545004 and up
11091
11013
11312
Alpha One Gen II
1.98/1.84
1.65/1.50

1991-1995

0D469859-0F679999
11091
11013
11312
Alpha One Gen II
2.40

1991-1995

0D469859-0F679999
-
-
-
Alpha One Gen II CR
ALL

1991-1995

0D469859-0F679999
-
-
-
Alpha One Gen II
1.94/1.81
1.62/1.47

1996-1997

0F680000-0K999999
11091
11013
11313
Alpha One Gen II
2.40

1996-1997

0F680000-0K999999
-
-
-
Alpha One Gen II CR
ALL

1996 and Newer

0F680000 and up
-
-
-
Alpha One Gen II
2.00/1.94
1.81/1.62
1.47

1998 and Newer

0L00040 and up
11091
11013
11313
Alpha One Gen II
2.40

1998 and Newer

0L00040 and up
-
-
-
Bravo I
ALL

1988-1995

0B664190 and up
-
-
-

Customers also purchased:

12120 Impeller kit 1984-1990

12120 Impeller kit 1984-1990

P/N 12120 Water pump kit - years 1984 - 1990 Serial numbers 6854393 - OD469858 $35.95

Includes:
P/N 89840 / 47-89984T4 Impeller
P/N 12410 / 46-96148T1 Housing
P/N 12820 / 23-29804T Guide tube
P/N 12510 / 32435 Wear plate
P/N 12322 / 46-44292A3 Pump base
P/N 11070 / 28-56654 Key
P/N 12810 / 48752 Cup
P/N 31010 / 27-85608-1 Gasket

21950 Bellows kit 30-803097T1

21950 Bellows kit 30-803097T1

P/N 21950 Transom bellows kit (1973-1990), serial numbers 3469428 - 0D469800. 30-803097T1 $145.95

Includes:
P/N 21906 Gimbal bearing
P/N 39622 bell housing gasket
P/N 47110/47120 water hoses
P/N 89050 drive shaft bellow
P/N 89080 shift cable bellow
P/N 89100 exhaust bellow
P/N 85910 oil seal

88010

88010

P/N 88010 Outdrive service kit for MC-1/R 1970 - 1983 $99.95
 
Parts included:
P/N 87510 Lower unit seal kit
P/N 87500 Upper housing seal kit
P/N 12110 Water pump impeller kit

39622

39622

P/N 39622 Bell housing gasket set (1983 and up, s/n 6225577 - up). For R / MR / Alpha 1 and Gen 2. $9.95

P/N 39590 Bell housing gasket set (1967-1982, s/n 2062141-6225576). For MC-1 and R. $9.95