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Mercruiser bearing application chart *Upper gearcase

Bearing application chart 1972 to 1982 Upper gearcase outdrives

Model
Gear Ratio
Years
Serial Numbers
Seal Kit (upper)
Drive Gear Bearing
Driven Gear Bearing
Cover top bearing
120-140
1.98
1967
2062141-2187468
87500
21520
21540
21540
120-140
1.98
1967-71
2187469-3134193
87500
21520
21540
21511
120-140
1.98
1971-82
3213658-6225576
87500
21520
21540
21510
470-485
1.84
1976-82
4208730-6225575
87500
21520
21540
21540
160
1.68
1967
2065190-2182197
87500
21520
21540
21511
160
1.68
1967-71
2182198-3134193
87500
21520
21540
21510
165
1.65
1971-81
3213658 thru
87500
21520
21540
21510
888
1.50
1974 thru
3784375 thru
87500
21520
21540
21510
225-S
1.50
1974
3856268-4200499
87500
21520
21540
21510
233
1.32
1975-77
4200500 thru
87500
-
21550
21510
898-228
1.65
1977-82
4782330-6225576
87500
21520
21540
21510
250
1.32
1977
4791300-4898729
87500
-
21550
21510
260
1.50
1978-82
4898730-6225576
87500
21520
21540
21510
lll
ALL
1968-1972
2373127-3002613
87500
-
-
N/A
215H
ALL
1970
2782203-2909034
87500
-
N.L.A.
N/A