Sierra Marine Parts Catalog

787 Liter Model Note CID #Cyl. Stroke Year Range Serial # Range Exh. Manifold Port Exh. Manifold Starboard Exh. Elbow End Cap Front End Cap Rear Manifold Gasket Exh. Elbow Gasket 5.7L 5.7L GEN + 350 8 4 1998-2002 L010037 - M599999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 5.7L 5.7L GEN + 350 8 4 2002-2004 M600000 - W309999 18-2949 5.7L 5.7L GEN + 350 8 4 2004-2010 W310000 & UP 18-2949 5.7L 5.7L EFI 350 8 4 1995-1997 F225560 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7L EFI GEN + 350 8 4 1998-2001 L010035 - M299999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 5.7L 5.7L EFI / 5.7L MIE 350 8 4 1997 K040300 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7L MIE 350 8 4 1988-1997 B788152 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7L MIE GEN + 350 8 4 1998-2002 L002003 - M316999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 5.7L 5.7L MIE GEN + 350 8 4 2002-2010 M317000 & UP 18-2949 5.7L 5.7L MPI / 5.7L MIE 350 8 4 2008-2010 A090000 & UP 18-2949 5.7L 5.7L MPI / 5.7L SKI 350 8 4 2008-2010 A090000 & UP ❿ 18-2949 5.7L 5.7L MPI / 5.7L SKI 350 8 4 2008-2010 A090000 & UP ➀ 18-2949 5.7L 5.7L SKI 350 8 4 1985-1995 A338553 - F775199 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.7L 5.7L SKI 350 8 4 1985-1995 A338553 - F775199 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.7L 5.7L SKI 350 8 4 1996-1997 F775200 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7L SKI 350 8 4 1998-2002 L002005 - M316999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 5.7L 5.7L SKI 350 8 4 2002-2010 M317000 & UP 18-2949 5.7L 5.7LX 350 8 4 1996-1997 F601000 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7LX BRAVO EFI 350 8 4 1996-1997 F800300 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L 5.7LX EFI 350 8 4 1996-1997 F752400 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L BLACK SCORPION SKI 350 8 4 1996-1997 F800000 - K999999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.7L BLACK SCORPION SKI 350 8 4 2003-2007 M391600 - W698432 ❿ 18-2949 5.7L BLACK SCORPION SKI 350 8 4 2003-2007 M391600 - W698432 ➀ 18-2949 5.7L SCORPION 350 350 8 4 2008-2010 W698433 & UP ❿ 18-2949 5.7L SCORPION 350 350 8 4 2008-2010 W698433 & UP ➀ 18-2949 6.2L 233 351 8 4 1975-1977 4173000 - 4902304 18-1958-1 18-1962-1 18-1971 18-4009 18-4009 18-0183-1 18-2833 6.2L 233 MIE 351 8 4 1975-1977 4173000 - 4902304 18-1958-1 18-1962-1 N.L.A. 18-4009 18-4009 18-0183-1 18-2833 6.2L 233 MIE 351 8 4 1975-1977 4173000 - 4902304 18-1958-1 18-1962-1 N.L.A. 18-1990 ➀ 18-4009 18-0183-1 18-2833 6.2L 255 FORD 351 8 4 1973-1974 3258728 - 4175499 18-1958-1 18-1962-1 18-1971 18-4009 18-4009 18-0183-1 18-2833 6.2L 255 MIE FORD 351 8 4 1973-1974 3258728 - 4175499 18-1958-1 18-1962-1 18-4009 18-4009 18-0183-1 18-2833 6.2L 225 MIE FORD 351 8 4 1973-1974 3258728 - 4175499 18-1958-1 18-1962-1 18-1990 ➀ 18-4009 18-0183-1 18-2833 6.2L 377 MAG 377 8 4 2008-2010 A300000 & UP 18-2949 6.2L 377 SCORPION MCM 377 8 4 1999-2005 L416146 - M907201 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 6.2L 377 SCORPION SKI 377 8 4 1997-1998 K000656 - L600314 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 6.2L MX 6.2L MPI 377 8 4 2000-2001 L680003 -M299999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 6.2L MX 6.2L MPI 377 8 4 2002 M300000 - M599999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 6.2L MX 6.2L MPI 377 8 4 2002-2004 M600000 - W309999 18-2949 6.2L MX 6.2L MPI 377 8 4 2004-2007 W310000 - A299999 18-2949 6.2L MX 6.2L MPI / MX 6.2L HORIZON 377 8 4 2002 M300000 - M599999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 6.2L MX 6.2L MPI / MX 6.2L HORIZON 377 8 4 2002-2004 M600000 - W309999 18-2949 6.2L MX 6.2L MPI / MX 6.2L HORIZON 377 8 4 2004-2007 W310000 - A299999 18-2949 6.2L MX 6.2L MPI / MX 6.2L HORI- ZON / MX 6.2L MIE 377 8 4 2002 M300000 - M316999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 6.2L MX 6.2L MPI / MX 6.2L HORI- ZON / MX 6.2L MIE 377 8 4 2002-2007 M317000 - A089999 18-2949 6.2L MX 6.2L MPI / MX 6.2L MIE 377 8 4 1999-2001 L670000 - M299999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 6.2L MX 6.2L MPI / MX 6.2L MIE 377 8 4 2002 M300000 - M316999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 6.2L MX 6.2L MPI / MX 6.2L MIE 377 8 4 2002-2010 M317000 & UP 18-2949 6.2L MX 6.2L MPI / MX 6.2L SKI 377 8 4 2002-2007 M317000 - A089999 18-2949 6.2L MX 6.2L MPI / MX 6.2L SKI 377 8 4 2002-2007 M317000 - A089999 18-2949 6.2L MX 6.2L BLACK SCORPION SKI 377 8 4 2001-2003 L670015 - M391599 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.) ❶ For engines with aluminum exhaust manifolds ❷ For engines with cast iron exhaust manifolds ❸ 3” (76mm) O.D. & 0 degree down angle ❹ 3” (76mm) O.D. & 15 degree down angle ❺ 4” (102mm) O.D. ❻ 2 piece exhaust manifold ❼ 1 piece exhaust manifold ❽ Has a rectangular elbow mounting bolt pattern ❾ Has a square elbow mounting bolt pattern ❿ In-line applications ➀ V-drive applications ➁ Standard rise ➂ 2” (51mm) rise ➃ 3” (76mm) rise ➄ 6” (152mm) rise ➅ Port ➆ Starboard ➇ Engines with risers or closed cooling may require a different gasket than listed ➈ Exhaust manifold with external water rail ➉ Exhaust manifold w/o external water rail ☛ 1 piece exhaust manifold is nla. Rngine must be converted to the 2 piece exhaust system ♠ Engines with easy drain system ♣ Engines with multi-point drain system ♥ Intermediate collector housing I/O — MERCRUISER - Cooling System