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Gasket Head for GM 454 7.4L Gen. 4 Big Block V8 27-8M0049045

  • Part #: SIE18-3877

$58.95

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Head Gasket for GM 7.4L 454 cid Gen. 4 Big Block V8.

A Generation 4 engine was produced up until about 1991. If you engine has a mechanical fuel pump mounted to the block itself, then it is a Generation 4 engine.
Replaces: Chris-Craft # 16.50-00259; Crusader # 30266; GLM # 36110; Mallory # 9-63701;
Mercruiser Quicksilver #s: 27-8M0049045, 27-13687, 27-13218, 27-19315, 27-49104, 27-61224, 27-97529: OMC # 914849


SIE18-3877
Brand Model Year HP Serial # Notes
Mercruiser Stern Drive 420 GM 1987
Mercruiser Stern Drive 420 GM 1988
Mercruiser Stern Drive 420 GM 1989
Mercruiser Stern Drive 425 GM 1990
Mercruiser Stern Drive 425 GM 1991
Mercruiser Stern Drive 425 GM 1992
Mercruiser Stern Drive 425 GEN. V GM 1992
Mercruiser Stern Drive 425 GEN. V GM 1993
Mercruiser Stern Drive 454 MAG. ALPHA GM 1986
Mercruiser Stern Drive 454 MAG. ALPHA GM 1987
Mercruiser Stern Drive 454 MAG. ALPHA GM 1988
Mercruiser Stern Drive 454 MAG. BRAVO GM 1988
Mercruiser Stern Drive 454 MAG. BRAVO GM 1989
Mercruiser Stern Drive 454 MAG. BRAVO GM 1990
Mercruiser Stern Drive 454 MAG. BRAVO GM 1991
Mercruiser Stern Drive 454 MAG. BRAVO GM 1992
Mercruiser Stern Drive 7.4L BRAVO GM 454 1988
Mercruiser Stern Drive 7.4L BRAVO GM 454 1989
Mercruiser Stern Drive 7.4L BRAVO GM 454 1990
Mercruiser Stern Drive 7.4L BRAVO GM 454 1991
Mercruiser Stern Drive 7.4L MIE W/HURTH GM 1988
Mercruiser Stern Drive 7.4L MIE W/HURTH GM 1989
Mercruiser Stern Drive 7.4L MIE W/HURTH GM 1990
Mercruiser Stern Drive 7.4L MIE W/HURTH GM 1991
Mercruiser Stern Drive 7.4L MIE W/HURTH GM 1992
Mercruiser Stern Drive 525 SC GM 454 1991
Mercruiser Stern Drive 525 SC - GEN. V GM 1991
Mercruiser Stern Drive 525 SC GM 454 1992
Mercruiser Stern Drive 525 SC - GEN. V GM 1992
Mercruiser Stern Drive 525 SC GM 1993
Mercruiser Stern Drive 525 SC - GEN. V GM 1993
Mercruiser Stern Drive 525 SC GM 1994
Mercruiser Stern Drive 525 SC - GEN. V GM 1994
Mercruiser Stern Drive 525 SC GM 1995
Mercruiser Stern Drive 525 SC - GEN. V GM 1995
Mercruiser Stern Drive 460 TRS GM 1984
Mercruiser Stern Drive 340 MIE GM 1981 340
Mercruiser Stern Drive 340 MIE GM 1982 340
Mercruiser Stern Drive 340 MIE GM 1983 340
Mercruiser Stern Drive 340 MIE GM 1984 340
Mercruiser Stern Drive 340 MIE GM 1985 340
Mercruiser Stern Drive 340 MIE GM 1986 340
Mercruiser Stern Drive 340 MIE GM 1987 340
Mercruiser Stern Drive 370 TRS GM 454 1986
Mercruiser Stern Drive 370 TRS GM 454 1987
Mercruiser Stern Drive 330 GM 454 1977
Mercruiser Stern Drive 330 GM 454 1978
Mercruiser Stern Drive 330 GM 454 1979
Mercruiser Stern Drive 330 GM 454 1980
Mercruiser Stern Drive 330 GM 454 1981
Mercruiser Stern Drive 460 TRS GM 1983
Mercruiser Stern Drive 460 TRS GM 1985
Mercruiser Stern Drive 460 TRS GM 1986
Mercruiser Stern Drive 325 GM 427 1969
Mercruiser Stern Drive 325 GM 427 1970
Mercruiser Stern Drive 325 GM 427 1971
Mercruiser Stern Drive 325 GM 427 1972
Mercruiser Stern Drive 325 MIE GM 427 1968
Mercruiser Stern Drive 325 MIE GM 427 1969
Mercruiser Stern Drive 325 MIE GM 427 1970
Mercruiser Stern Drive 325 MIE GM 427 1971
Mercruiser Stern Drive 325 MIE GM 427 1972
Mercruiser Stern Drive 325 MIE GM 427 1973
Mercruiser Stern Drive 325 MIE GM 427 1974
Mercruiser Stern Drive 330 GM 454 1982
Mercruiser Stern Drive 330 GM 454 1983
Mercruiser Stern Drive 330 GM 454 1984
Mercruiser Stern Drive 330 GM 454 1985
Mercruiser Stern Drive 330 GM 454 1986
Mercruiser Stern Drive 330 GM 454 1987
Mercruiser Stern Drive 330 MIE GM 454 1977
Mercruiser Stern Drive 330 MIE GM 454 1978
Mercruiser Stern Drive 330 MIE GM 454 1979
Mercruiser Stern Drive 330 MIE GM 454 1980
Mercruiser Stern Drive 370 TRS GM 454 1978
Mercruiser Stern Drive 370 TRS GM 454 1979
Mercruiser Stern Drive 370 TRS GM 454 1980
Mercruiser Stern Drive 370 TRS GM 454 1981
Mercruiser Stern Drive 370 TRS GM 454 1982
Mercruiser Stern Drive 370 TRS GM 454 1983
Mercruiser Stern Drive 370 TRS GM 454 1984
Mercruiser Stern Drive 370 TRS GM 454 1985
Mercruiser Stern Drive 370 TRS GM 454 1985
Mercruiser Stern Drive 400 TRS GM 454 1980
Mercruiser Stern Drive 400 TRS GM 454 1981
Mercruiser Stern Drive 400 TRS GM 454 1982
Mercruiser Stern Drive 400 TRS GM 454 1983
Mercruiser Stern Drive 400 TRS GM 454 1984
Mercruiser Stern Drive 400 TRS GM 454 1985
Mercruiser Stern Drive 400 TRS GM 454 1986
Mercruiser Stern Drive 440 TRS GM 454 1983
Mercruiser Stern Drive 440 TRS GM 454 1984
Mercruiser Stern Drive 440 TRS GM 454 1985
Mercruiser Stern Drive 440 TRS GM 454 1986
Mercruiser Stern Drive 390 GM 482 1969
Mercruiser Stern Drive 390 GM 482 1970
Mercruiser Stern Drive 390 MIE GM 482 1969
Mercruiser Stern Drive 390 MIE GM 482 1970
Mercruiser Stern Drive 7.4L MIE W/B/W 1988
Mercruiser Stern Drive 7.4L MIE W/B/W 1989
Mercruiser Stern Drive 7.4L MIE W/B/W 1990
Mercruiser Stern Drive 7.4L MIE W/B/W 1991
Mercruiser Stern Drive 7.4L MIE W/B/W 1992
Brand Model Year HP Serial # Notes
OMC Stern Drive 744APEPWS 1990
OMC Stern Drive 744APERGD 1991
OMC Stern Drive 744APERGF 1991
OMC Stern Drive 744BPERGD 1991


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