Engine Coupler for Mercruiser GM 1985 and Earlier 2 Piece Seal 76850A2

  • Part #: SIE18-2171

$231.95


This Coupling fits all GM engines with a two piece rear main seal. All GM V8 engines 1985 and earlier are 2 piece seal engines. This also fits inline GM enignes 1984 and earlier that did not use the triangular coupling. Bolts to the same bolts that hold the flywheel on the crankshaft.


SIE18-2171
Brand Model Year HP Serial # Notes
Mercruiser Stern Drive 185 2 BBL. GM 1985
Mercruiser Stern Drive 205 4 BBL. GM 1985
Mercruiser Stern Drive 185 2 BBL. GM 1986
Mercruiser Stern Drive 205 4 BBL. GM 1986
Mercruiser Stern Drive 3.0L GM 1983 140
Mercruiser Stern Drive 3.0L GM 1984 140
Mercruiser Stern Drive 3.0L GM 1985 140
Mercruiser Stern Drive 3.0L GM 1986 140
Mercruiser Stern Drive 3.0L GM 1987 140
Mercruiser Stern Drive 3.0L GM 1988 140
Mercruiser Stern Drive 3.0L GM 1989 140
Mercruiser Stern Drive 2.5L GM 1983 120
Mercruiser Stern Drive 2.5L GM 1984 120
Mercruiser Stern Drive 2.5L GM 1985 120
Mercruiser Stern Drive 2.5L GM 1986 120
Mercruiser Stern Drive 2.5L GM 1987 120
Mercruiser Stern Drive 2.5L GM 1988 120
Mercruiser Stern Drive 2.5L GM 1989 120
Mercruiser Stern Drive 165 GM 250 I/L6 1975
Mercruiser Stern Drive 165 GM 250 I/L6 1976
Mercruiser Stern Drive 165 GM 250 I/L6 1977
Mercruiser Stern Drive 165 GM 250 I/L6 1978
Mercruiser Stern Drive 198 MIE 2 BBL. GM 305 V-8 1977 1977
Mercruiser Stern Drive 228 MIE 4 BBL. GM 1979
Mercruiser Stern Drive 228 MIE 4 BBL. GM 1980
Mercruiser Stern Drive 228 4 BBL. GM 1983 228
Mercruiser Stern Drive 200 2 BBL. GM 1982 200
Mercruiser Stern Drive 228 4 BBL. GM 1982
Mercruiser Stern Drive 230 4 BBL. GM 1982
Mercruiser Stern Drive 260 GM 1982
Mercruiser Stern Drive 260 4 BBL. GM 1982
Mercruiser Stern Drive 898 2 BBL. GM 1982
Mercruiser Stern Drive 200 2 BBL. GM 1983 200
Mercruiser Stern Drive 228 4 BBL. GM 1983
Mercruiser Stern Drive 230 4 BBL. GM 1983
Mercruiser Stern Drive 260 GM 1983
Mercruiser Stern Drive 260 4 BBL. GM 1983
Mercruiser Stern Drive 898 2 BBL. GM 1983
Mercruiser Stern Drive 200 2 BBL. GM 1984 200
Mercruiser Stern Drive 228 4 BBL. GM 1984
Mercruiser Stern Drive 230 4 BBL. GM 1984
Mercruiser Stern Drive 260 GM 1984
Mercruiser Stern Drive 260 4 BBL. GM 1984
Mercruiser Stern Drive 898 2 BBL. GM 1984
Mercruiser Stern Drive 200 2 BBL. GM 1985 200
Mercruiser Stern Drive 228 4 BBL. GM 1985
Mercruiser Stern Drive 230 4 BBL. GM 1985
Mercruiser Stern Drive 260 GM 1985
Mercruiser Stern Drive 260 4 BBL. GM 1985
Mercruiser Stern Drive 898 2 BBL. GM 1985
Mercruiser Stern Drive 200 2 BBL. GM 1986 200
Mercruiser Stern Drive 228 4 BBL. GM 1986
Mercruiser Stern Drive 230 4 BBL. GM 1986
Mercruiser Stern Drive 260 GM 1986
Mercruiser Stern Drive 260 4 BBL. GM 1986
Mercruiser Stern Drive 898 2 BBL. GM 1986
Mercruiser Stern Drive 200 2 BBL. GM 1987 200
Mercruiser Stern Drive 228 4 BBL. GM 1987
Mercruiser Stern Drive 230 4 BBL. GM 1987
Mercruiser Stern Drive 260 GM 1987
Mercruiser Stern Drive 260 4 BBL. GM 1987
Mercruiser Stern Drive 898 2 BBL. GM 1987
Mercruiser Stern Drive 120 GM 1983 120
Mercruiser Stern Drive 120 GM 1984 120
Mercruiser Stern Drive 120 GM 1985 120
Mercruiser Stern Drive 120 GM 1986 120
Mercruiser Stern Drive 185 4 BBL. GM 1983
Mercruiser Stern Drive 185 4 BBL. GM 1984
Mercruiser Stern Drive 300 TEMPEST GM 1985
Mercruiser Stern Drive 300 TEMPEST GM 1986
Mercruiser Stern Drive 190 GM 1963
Mercruiser Stern Drive 190 GM 1964
Mercruiser Stern Drive 225 2 BBL GM 1963
Mercruiser Stern Drive 225 2 BBL GM 1964
Mercruiser Stern Drive 225 2 BBL GM 1965
Mercruiser Stern Drive 225 2 BBL GM 1966
Mercruiser Stern Drive 225 2 BBL GM 1967
Mercruiser Stern Drive 225 2 BBL GM 1968
Mercruiser Stern Drive 225 2 BBL GM 1969
Mercruiser Stern Drive 120 GM 153 I/L4 1979
Mercruiser Stern Drive 120 GM 153 I/L4 1980
Mercruiser Stern Drive 120 GM 153 I/L4 1981
Mercruiser Stern Drive 120 GM 153 I/L4 1982
Mercruiser Stern Drive 140 GM 181 I/L4 1979
Mercruiser Stern Drive 140 GM 181 I/L4 1980
Mercruiser Stern Drive 140 GM 181 I/L4 1981
Mercruiser Stern Drive 140 GM 181 I/L4 1982
Mercruiser Stern Drive 165 GM 250 I/L6 1979
Mercruiser Stern Drive 165 GM 250 I/L6 1980
Mercruiser Stern Drive 165 GM 250 I/L6 1981
Mercruiser Stern Drive 140 GM 181 I/L4 1982
Mercruiser Stern Drive 140 GM 181 I/L4 1983
Mercruiser Stern Drive 140 GM 181 I/L4 1984
Mercruiser Stern Drive 140 GM 181 I/L4 1985
Mercruiser Stern Drive 140 GM 181 I/L4 1986
Mercruiser Stern Drive 228 4 BBL GM 305 1977
Mercruiser Stern Drive 228 4 BBL GM 305 1978
Mercruiser Stern Drive 228 4 BBL GM 305 1979
Mercruiser Stern Drive 228 4 BBL GM 305 1980
Mercruiser Stern Drive 228 4 BBL GM 305 1981
Mercruiser Stern Drive 228 4 BBL GM 305 1982
Mercruiser Stern Drive 228 MIE 4 BBL GM 305 1977
Mercruiser Stern Drive 228 MIE 4 BBL GM 305 1978
Mercruiser Stern Drive 250 2 BBL GM 350 1977
Mercruiser Stern Drive 260 4 BBL GM 350 1978
Mercruiser Stern Drive 260 4 BBL GM 350 1979
Mercruiser Stern Drive 260 4 BBL GM 350 1980
Mercruiser Stern Drive 260 4 BBL GM 350 1981
Mercruiser Stern Drive 260 4 BBL GM 350 1982
Mercruiser Stern Drive 898 2 BBL GM 305 1977
Mercruiser Stern Drive 898 2 BBL GM 305 1978
Mercruiser Stern Drive 898 2 BBL GM 305 1979
Mercruiser Stern Drive 898 2 BBL GM 305 1980
Mercruiser Stern Drive 898 2 BBL GM 305 1981
Mercruiser Stern Drive 898 2 BBL GM 305 1982
Mercruiser Stern Drive 120 GM 153 I/L4 1964
Mercruiser Stern Drive 120 GM 153 I/L4 1965
Mercruiser Stern Drive 120 GM 153 I/L4 1966
Mercruiser Stern Drive 120 GM 153 I/L4 1967
Mercruiser Stern Drive 120 GM 153 I/L4 1968
Mercruiser Stern Drive 120 GM 153 I/L4 1969
Mercruiser Stern Drive 120 GM 153 I/L4 1970
Mercruiser Stern Drive 120 GM 153 I/L4 1971
Mercruiser Stern Drive 120 GM 153 I/L4 1972
Mercruiser Stern Drive 140 GM 194 I/L6 1963
Mercruiser Stern Drive 150 GM 230 I/L6 1964
Mercruiser Stern Drive 150 GM 230 I/L6 1965
Mercruiser Stern Drive 150 GM 230 I/L6 1966
Mercruiser Stern Drive 160 GM 250 I/L6 1967
Mercruiser Stern Drive 160 GM 250 I/L6 1968
Mercruiser Stern Drive 160 GM 250 I/L6 1969
Mercruiser Stern Drive 225 MIE GM 327 1968
Mercruiser Stern Drive 120 GM 153 I/L4 1972
Mercruiser Stern Drive 120 GM 153 I/L4 1973
Mercruiser Stern Drive 120 GM 153 I/L4 1974
Mercruiser Stern Drive 120 GM 153 I/L4 1975
Mercruiser Stern Drive 120 GM 153 I/L4 1976
Mercruiser Stern Drive 120 GM 153 I/L4 1977
Mercruiser Stern Drive 120 GM 153 I/L4 1978
Mercruiser Stern Drive 140 GM 181 I/L4 1968
Mercruiser Stern Drive 140 GM 181 I/L4 1969
Mercruiser Stern Drive 140 GM 181 I/L4 1970
Mercruiser Stern Drive 140 GM 181 I/L4 1971
Mercruiser Stern Drive 140 GM 181 I/L4 1972
Mercruiser Stern Drive 140 GM 181 I/L4 1972
Mercruiser Stern Drive 140 GM 181 I/L4 1973
Mercruiser Stern Drive 140 GM 181 I/L4 1974
Mercruiser Stern Drive 140 GM 181 I/L4 1975
Mercruiser Stern Drive 140 GM 181 I/L4 1976
Mercruiser Stern Drive 140 GM 181 I/L4 1977
Mercruiser Stern Drive 140 GM 181 I/L4 1978
Mercruiser Stern Drive 165 GM 250 I/L6 1970
Mercruiser Stern Drive 165 GM 250 I/L6 1971
Mercruiser Stern Drive 165 GM 250 I/L6 1972
Mercruiser Stern Drive 165 GM 250 I/L6 1973
Mercruiser Stern Drive 165 GM 250 I/L6 1974
Mercruiser Stern Drive 110 GM 153 I/L4 1963
Mercruiser Stern Drive 110 GM 153 I/L4 1964
Mercruiser Stern Drive 110 GM 153 I/L4 1965
Mercruiser Stern Drive 110 GM 153 I/L4 1966


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