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INTERNAL ENGINE



              Model              CID/ # Cyl  Year Range    Serial # Range    Crankshaft  Crankshaft  Crankshaft  Crankshaft  Crankshaft  Crankshaft
                                                             Bearings - Std.  Bearings - .001 Bearings - .001 Bearings - .002 Bearings - .010 Bearings - .020
                                                                      (.025 mm) O/S  (.025 mm) U/S  (.05 mm) U/S  (.25 mm) U/S  (.5 mm) U/S
              377 Scorpion MCM   377/ V-8  1999 - 2005  0L416146 - 0M907201  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              377 Scorpion Ski   377/ V-8  1997 - 1998  0K000656 - 0L600314  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              6.2L MPI (Mercury)  377/ V-8  2015 - 2019    2A456613 and up    23-8M0095916(3) N/A  N/A  N/A  N/A  N/A
              MX 6.2L MPI        377/ V-8  2000 - 2007  0L680003 - 1A299999  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              MX 6.2L MPI Horizon  377/ V-8  2002 - 2007  0M300000 - 1A299999  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              MX 6.2L MPI Horizon MIE  377/ V-8  2002 - 2019    0M300000 and up    31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              MX 6.2L MPI MIE    377/ V-8  1999 - 2019    0L670000 and up    31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              MX 6.2L MPI Ski    377/ V-8  2002 - 2007  0M317000 - 0W398432  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              MX 6.2L Blk Scorpion Ski  377/ V-8  2002 - 2007  0M317000 - 0W698432  31-849396  N.L.A.  31-849394  N/A  N/A  N/A
              Scorpion 377       377/ V-8  2008 - 2019    0W698433 and up    31-849396  N.L.A.  31-849394  N/A  N/A  N/A

              325                454/ V-8  1969 - 1972  2278747 - 3780449  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              330                454/ V-8  1977 - 1987  4623115 - 0B816540  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              330 MIE            454/ V-8  1977 - 1980  4623115 - 5889913  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              340 MIE w/B-W      454/ V-8  1981 - 1987  5889914 - 0B788365  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              350 MIE            454/ V-8  1974 - 1976  3780450 - 4623109  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              370 TRS            454/ V-8  1978 - 1985  4179554 - 6721527  -  -  -     N.L.A.   -       23-818477
              370 TRS            454/ V-8  1985 - 1987  6721528 - 0B714586  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              400 TRS            454/ V-8  1980 - 1986  4179554 - 0B457644  -  -  -    N.L.A.   -       23-818477     MERCURY® MERCRUISER®
              420                454/ V-8  1987 - 1989  0A398941 - 0B622418  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              425                454/ V-8  1990 - 1992  0B622419 - 0D725499  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              425 (Gen V)        454/ V-8  1992 - 1993  0D725500 - 0D937011  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              440 TRS            454/ V-8  1983 - 1986  4179554 - 0B485220  -  -  -    N/A      -       23-818477
              450 (Gen V)        454/ V-8  1995 - 1996  0F347100 - 0F347277  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag Alpha      454/ V-8  1986 - 1988  0A631894 - 0B785148  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag Bravo      454/ V-8  1988 - 1992  0B721206 - 0D805068  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag Bravo (Gen V)  454/ V-8  1992 - 1996  0D805069 - 0F801699  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag Bravo (Gen VI)  454/ V-8  1996 - 1997  0F801700 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 EFI (Gen V)    454/ V-8  1994 - 1996  0F115700 - 0F802349  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 EFI Ski (Gen V)  454/ V-8  1995 - 1996  0F215800 - 0F820099  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag MPI (Gen VI)  454/ V-8  1996 - 2001  0F802350 - 0M024999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag MPI Horizon MIE  454/ V-8  1998 - 2001  0L002200 - 0L674000  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              454 Mag MPI Ski (Gen VI)  454/ V-8  1996 - 1997  0F820100 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              525 SC             454/ V-8  1991 - 1992  0D456000 - 0D725808  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              525 SC (Gen V)     454/ V-8  1992 - 1996  0D763746 - 0F745215  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              525 SC (Gen VI)    454/ V-8  1996 - 1999  0F745260 - 0L415623  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L Bravo         454/ V-8  1988 - 1991  0B771113 - 0D603117  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L Bravo (Gen V)  454/ V-8  1992 - 1996  0D603118 - 0F800699  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L Bravo (Gen VI)  454/ V-8  1996 - 1997  0F800700 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L EFI MIE (Gen VI)  454/ V-8  1996 - 1997  0F874815 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MIE           454/ V-8  1988 - 1992  0B788366 - 0D715493  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MIE (Gen V)   454/ V-8  1992 - 1996  0D715494 - OF820141  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MIE LH (Gen VI)  454/ V-8  1996 - 1997  0F820142 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MPI (Gen VI)  454/ V-8  1998 - 2001  0L010003 - 0M024330  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MPI MIE (Gen V)  454/ V-8  1995 - 1996  0F563052 - 0F820103  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MPI MIE LH (Gen VI)  454/ V-8  1996 - 1997  0F820104 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4L MPI MIE (L29-Gen VI)  454/ V-8  1998 - 2001  0L002006 - 0M025999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4LX Bravo TBI (Gen VI)  454/ V-8  1996 - 1997  0F802000 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4LX Bravo MPI (Gen V)  454/ V-8  1996  0F602010 - 0F801999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477
              7.4LX Bravo MPI (Gen VI)  454/ V-8  1996 - 1997  0F802000 - 0K999999  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477

              390                482/ V-8  1969 - 1970  2781129 - 2825059  23-818473001  N/A  23-818474  N.L.A.  23-818476001  23-818477




             Quicksilver Product Guide                                                                      895
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