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Bearing Tapered Roller Upper Unit for Mercruiser OMC Outdrive 31-35990A1

  • Part #: GLM21540

$39.95

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Tapered Roller Bearing that is used on the driven gear in the Upper unit of many Mercruiser stern drive models(1/R/MC/Alpha one/ and Alpha One Gen11.).

It is Used with all ratios except 1.50, 1.47 and 1.32.

This bearing is also used on the Upper Gearcase driven gear on OMC Cobras from 1986 thru 1993 and Johnson Evinrude.

Replaces O.E.M. # s Merc. 31-35990A1, OMC 983891.


SIE18-1161
Brand Model Year HP Serial # Notes
OMC Stern Drive 232AMFTC 1987
OMC Stern Drive 232AMRGDE 1988
OMC Stern Drive 232AMRGDP 1988
OMC Stern Drive 232APFTC 1987
OMC Stern Drive 232APRGDE 1988
OMC Stern Drive 232APRGDP 1988
OMC Stern Drive 232APSRC 1987
OMC Stern Drive 232BMRMED 1989
OMC Stern Drive 232BMRMEF 1989
OMC Stern Drive 232BMRPWS 1990
OMC Stern Drive 232BPRMED 1989
OMC Stern Drive 232BPRMEF 1989
OMC Stern Drive 232BPRPWS 1990
OMC Stern Drive 460AMLMED 1989
OMC Stern Drive 460APRMED 1989
OMC Stern Drive 502AMLMED 1989
OMC Stern Drive 502AMLPWS 1990
OMC Stern Drive 502APRMED 1989
OMC Stern Drive 502APRPWS 1990
OMC Stern Drive 502BPRMED 1989
OMC Stern Drive 502BPRPWS 1990
OMC Stern Drive 50FAPLJVB 1993
OMC Stern Drive 50FAPLJVN 1993
OMC Stern Drive 50FAPRJVB 1993
OMC Stern Drive 50FAPRJVN 1993
OMC Stern Drive 584AMLMED 1989
OMC Stern Drive 584AMLPWS 1990
OMC Stern Drive 584APRMED 1989
OMC Stern Drive 584APRPWS 1990
OMC Stern Drive 58FAPLJVB 1993
OMC Stern Drive 58FAPLJVN 1993
OMC Stern Drive 58FAPRJVB 1993
OMC Stern Drive 58FAPRJVN 1993
OMC Stern Drive 754BMLGDP 1988
OMC Stern Drive 754BPRGDP 1988
OMC Stern Drive 302BMRAMH 1992
OMC Stern Drive 302BMRAMK 1992
OMC Stern Drive 302BMRJVB 1993
OMC Stern Drive 302BMRRGD 1991
OMC Stern Drive 302CMRAMH 1992
OMC Stern Drive 302CMRAMK 1992
OMC Stern Drive 302CMRJVB 1993
OMC Stern Drive 302CMRRGD 1991
OMC Stern Drive 302CPRAMH 1992
OMC Stern Drive 302CPRAMK 1992
OMC Stern Drive 302CPRJVB 1993
OMC Stern Drive 302CPRRGD 1991
OMC Stern Drive 432APLAMH 1992
OMC Stern Drive 432APLJVB 1993
OMC Stern Drive 432APLJVN 1993
OMC Stern Drive 432APLRGD 1991
OMC Stern Drive 432APRAMH 1992
OMC Stern Drive 432APRJVB 1993
OMC Stern Drive 432APRJVN 1993
OMC Stern Drive 432APRRGD 1991
OMC Stern Drive 434APLAMH 1992
OMC Stern Drive 434APLJVB 1993
OMC Stern Drive 434APLJVN 1993
OMC Stern Drive 434APLRGD 1991
OMC Stern Drive 434APRAMH 1992
OMC Stern Drive 434APRJVB 1993
OMC Stern Drive 434APRJVN 1993
OMC Stern Drive 434APRRGD 1991
OMC Stern Drive 502APLAMH 1992
OMC Stern Drive 502APLAMK 1992
OMC Stern Drive 502APLJVB 1993
OMC Stern Drive 502APLRGD 1991
OMC Stern Drive 502APRAMH 1992
OMC Stern Drive 502APRAMK 1992
OMC Stern Drive 502APRJVB 1993
OMC Stern Drive 502APRRGD 1991
OMC Stern Drive 502BPRAMH 1992
OMC Stern Drive 502BPRAMK 1992
OMC Stern Drive 502BPRJVB 1993
OMC Stern Drive 502BPRRGD 1991
OMC Stern Drive 574AMLPWS 1990
OMC Stern Drive 574APLAMH 1992
OMC Stern Drive 574APRAMH 1992
OMC Stern Drive 574APRRGD 1991
OMC Stern Drive 584APLAMH 1992
OMC Stern Drive 584APLAMK 1992
OMC Stern Drive 584APLJVB 1993
OMC Stern Drive 584APLRGD 1991
OMC Stern Drive 584APRAMH 1992
OMC Stern Drive 584APRAMK 1992
OMC Stern Drive 584APRJVB 1993
OMC Stern Drive 584APRRGD 1991
OMC Stern Drive 574APLRGD 1991
OMC Stern Drive 574APRPWS 1990
OMC Stern Drive 432AMLPWS 1990
OMC Stern Drive 432APRPWS 1990
OMC Stern Drive 434AMLPWS 1990
OMC Stern Drive 434APRPWS 1990
OMC Stern Drive 252AMKWB 1986
OMC Stern Drive 252APKWB 1986
OMC Stern Drive 302AMARJ 1987
OMC Stern Drive 302AMARY 1987
OMC Stern Drive 302AMFTC 1987
OMC Stern Drive 302AMKWB 1986
OMC Stern Drive 302AMRGDP 1988
OMC Stern Drive 302APARY 1987
OMC Stern Drive 302APFTC 1987
OMC Stern Drive 302APKWB 1986
OMC Stern Drive 302APRGDP 1988
OMC Stern Drive 302APSRC 1987
OMC Stern Drive 302ARSRY 1987
OMC Stern Drive 302BMRPWR 1990-1900
OMC Stern Drive 302BMRPWS 1990
OMC Stern Drive 302BPRPWR 1990
OMC Stern Drive 302BPRPWS 1990
OMC Stern Drive 302CMLPWR 1990
OMC Stern Drive 302CMLPWS 1990
OMC Stern Drive 302CMRPWR 1990
OMC Stern Drive 302CMRPWS 1990
OMC Stern Drive 302CPRPWR 1990
OMC Stern Drive 302CPRPWS 1990
OMC Stern Drive 754APFTC 1987
OMC Stern Drive 754APSRC 1987
OMC Stern Drive 754BPFTC 1987
OMC Stern Drive 754BPSRC 1987
OMC Stern Drive 262AMLMED 1989
OMC Stern Drive 262APRMED 1989
OMC Stern Drive 350AMLMED 1989 350
OMC Stern Drive 350APRMED 1989 350
OMC Stern Drive 432AMLMED 1989
OMC Stern Drive 432APRMED 1989
OMC Stern Drive 502AMLGDP 1988
OMC Stern Drive 502APRGDP 1988
OMC Stern Drive 504AMARY 1987
OMC Stern Drive 504AMFTC 1987
OMC Stern Drive 504AMKWB 1986
OMC Stern Drive 504AMLGDP 1988
OMC Stern Drive 504AMWXS 1986
OMC Stern Drive 504APARY 1987
OMC Stern Drive 504APFTC 1987
OMC Stern Drive 504APKWB 1986
OMC Stern Drive 504APRGDP 1988
OMC Stern Drive 504APWXS 1986
OMC Stern Drive 574AMFTC 1987
OMC Stern Drive 574AMKWB 1986
OMC Stern Drive 574AMLGDP 1988
OMC Stern Drive 574AMLMED 1989
OMC Stern Drive 574AMWXS 1986
OMC Stern Drive 574APARY 1987
OMC Stern Drive 574APFTC 1987
OMC Stern Drive 574APKWB 1986
OMC Stern Drive 574APRGDP 1988
OMC Stern Drive 574APRMED 1989
OMC Stern Drive 574APSRC 1987
OMC Stern Drive 574APWXS 1986
OMC Stern Drive 574BMLGDP 1988
OMC Stern Drive 574BPRGDP 1988
OMC Stern Drive 744AMRGDP 1988
OMC Stern Drive 744APRGDP 1988
OMC Stern Drive 432AMARY 1987
OMC Stern Drive 432AMFTC 1987
OMC Stern Drive 432AMKWB 1986
OMC Stern Drive 432AMLGDP 1988
OMC Stern Drive 432AMWXS 1986
OMC Stern Drive 432APARY 1987
OMC Stern Drive 432APFTC 1987
OMC Stern Drive 432APKWB 1986
OMC Stern Drive 432APRGDE 1988
OMC Stern Drive 432APRGDP 1988
OMC Stern Drive 432APSRC 1987
OMC Stern Drive 432APSRY 1987
OMC Stern Drive 432APWXS 1986
OMC Stern Drive 434AMARY 1987
OMC Stern Drive 434AMFTC 1987
OMC Stern Drive 434AMKWB 1986
OMC Stern Drive 434AMLGDP 1988
OMC Stern Drive 434AMWXS 1986
OMC Stern Drive 434APARY 1987
OMC Stern Drive 434APFTC 1987
OMC Stern Drive 434APKWB 1986
OMC Stern Drive 434APRGDP 1988
OMC Stern Drive 434APSRC 1987
OMC Stern Drive 434APSRY 1987
OMC Stern Drive 434APWXS 1986
OMC Stern Drive 302AMRMED 1989
OMC Stern Drive 302AMRPWC 1990
OMC Stern Drive 302APRMED 1989
OMC Stern Drive 302APRPWC 1990
Brand Model Year HP Serial # Notes
Mercruiser Stern Drive ALPHA ONE GEN.II 1990
Mercruiser Stern Drive ALPHA ONE GEN.II 1991
Mercruiser Stern Drive ALPHA ONE GEN.II 1992
Mercruiser Stern Drive ALPHA ONE GEN.II 1993
Mercruiser Stern Drive ALPHA ONE GEN.II 1994
Mercruiser Stern Drive ALPHA ONE GEN.II 1995
Mercruiser Stern Drive ALPHA ONE GEN.II 1996
Mercruiser Stern Drive ALPHA ONE GEN.II 1997
Mercruiser Stern Drive ALPHA ONE GEN.II 1998-UP
Mercruiser Stern Drive VAZER TRANSOM 1998
Mercruiser Stern Drive VAZER DRIVE 1998
Mercruiser Stern Drive 898/228 1977
Mercruiser Stern Drive 250 1977
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1980
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1982
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1983
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1984
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1985
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1986
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1987
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1988
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1989
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1990
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1993
Mercruiser Stern Drive TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE 1994
Mercruiser Stern Drive 165 1978
Mercruiser Stern Drive 165 1979
Mercruiser Stern Drive 165 1980
Mercruiser Stern Drive 165 1981
Mercruiser Stern Drive 165 1982
Mercruiser Stern Drive 120/140 1978
Mercruiser Stern Drive 120/140 1979
Mercruiser Stern Drive 120/140 1980
Mercruiser Stern Drive 120/140 1981
Mercruiser Stern Drive 120/140 1982
Mercruiser Stern Drive 485 1978
Mercruiser Stern Drive 485 1979
Mercruiser Stern Drive 485 1980
Mercruiser Stern Drive 485 1981
Mercruiser Stern Drive 485 1982
Mercruiser Stern Drive 470 1978
Mercruiser Stern Drive 470 1979
Mercruiser Stern Drive 470 1980
Mercruiser Stern Drive 470 1981
Mercruiser Stern Drive 470 1982
Mercruiser Stern Drive 228 1978
Mercruiser Stern Drive 260 1978
Mercruiser Stern Drive 898 1978
Mercruiser Stern Drive 228 1979
Mercruiser Stern Drive 260 1979
Mercruiser Stern Drive 898 1979
Mercruiser Stern Drive 228 1980
Mercruiser Stern Drive 260 1980
Mercruiser Stern Drive 898 1980
Mercruiser Stern Drive 228 1981
Mercruiser Stern Drive 260 1981
Mercruiser Stern Drive 898 1981
Mercruiser Stern Drive 228 1982
Mercruiser Stern Drive 260 1982
Mercruiser Stern Drive 898 1982
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1983
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1984
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1985
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1986
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1987
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1988
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1989
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1990
Mercruiser Stern Drive R/MR/ALPHA ONE (TRANSOM ASSEMBLY) 1991
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1983
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1984
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1985
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1986
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1987
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1988
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1989
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1990
Mercruiser Stern Drive R/MR/ALPHA ONE (STERNDRIVE) 1991
Mercruiser Stern Drive 225-S 1974
Mercruiser Stern Drive 233 1975
Mercruiser Stern Drive 233 1976
Mercruiser Stern Drive 233 1977
Mercruiser Stern Drive 470 1976
Mercruiser Stern Drive 470 1977
Mercruiser Stern Drive 888 1971
Mercruiser Stern Drive 888 1972
Mercruiser Stern Drive 888 1973
Mercruiser Stern Drive 888 1974
Mercruiser Stern Drive 888 1975
Mercruiser Stern Drive 888 1976
Mercruiser Stern Drive 888 1977
Mercruiser Stern Drive 120/140 1967
Mercruiser Stern Drive 120/140 1968
Mercruiser Stern Drive 120/140 1969
Mercruiser Stern Drive 160 1967
Mercruiser Stern Drive 160 1968
Mercruiser Stern Drive 160 1969
Mercruiser Stern Drive IA/IB/IC 1964
Mercruiser Stern Drive IA/IB/IC EZ-SHIFT 1965
Mercruiser Stern Drive IA/IB/IC EZ-SHIFT 1966
Mercruiser Stern Drive 120/140 1970
Mercruiser Stern Drive 120/140 1971
Mercruiser Stern Drive 120/140 1972
Mercruiser Stern Drive 120/140 1973
Mercruiser Stern Drive 120/140 1974
Mercruiser Stern Drive 120/140 1975
Mercruiser Stern Drive 120/140 1976
Mercruiser Stern Drive 120/140 1977
Mercruiser Stern Drive 165 1970
Mercruiser Stern Drive 165 1971
Mercruiser Stern Drive 165 1972
Mercruiser Stern Drive 165 1973
Mercruiser Stern Drive 165 1974
Mercruiser Stern Drive 165 1975
Mercruiser Stern Drive 165 1976
Mercruiser Stern Drive 165 1977
Mercruiser Stern Drive 255-TRS 1973
Mercruiser Stern Drive 255-TRS 1974
Mercruiser Stern Drive 280-TRS 1975
Mercruiser Stern Drive 280-TRS 1976
Mercruiser Stern Drive II-TR 1973
Mercruiser Stern Drive II-TR 1974
Mercruiser Stern Drive II-TR 1975
Mercruiser Stern Drive II-TR 1976
Brand Model Year HP Serial # Notes
Johnson/Evinrude Outboard 115JEEOB 1995 115
Johnson/Evinrude Outboard 115JEERA 1994 115
Johnson/Evinrude Outboard 115TJEDB 1996 115
Johnson/Evinrude Outboard 115TJEOA 1995 115
Johnson/Evinrude Outboard 115TJEUC 1997 115
Johnson/Evinrude Outboard 90JEEOB 1995 90
Johnson/Evinrude Outboard 90JEERA 1994 90


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