Page 823 - 2021 Sierra Catalog

I/O — MERCRUISER - Cooling System
Liter Model Note CID
# Cyl. Stroke
8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4
8 4
8 4
8 4
8 4
8 4 8 4 8 4 8 4 8 4
Year Range
1998-2002 2002-2004 2004-2010 1995-1997 1998-2001 1997 1988-1997 1998-2002 2002-2010 2008-2010 2008-2010 2008-2010 1985-1995 1985-1995 1996-1997 1998-2002 2002-2010 1996-1997 1996-1997 1996-1997 1996-1997 2003-2007 2003-2007 2008-2010 2008-2010 1975-1977 1975-1977 1975-1977 1973-1974 1973-1974 1973-1974 2008-2010 1999-2005 1997-1998 2000-2001 2002 2002-2004 2004-2007 2002
2002-2004
2004-2007
2002
2002-2007
1999-2001 2002 2002-2010 2002-2007 2002-2007 2001-2003
Serial # Range
L010037 - M599999 M600000 - W309999 W310000 & UP F225560 - K999999 L010035 - M299999 K040300 - K999999 B788152 - K999999 L002003 - M316999 M317000 & UP A090000 & UP A090000 & UP A090000 & UP A338553 - F775199 A338553 - F775199 F775200 - K999999 L002005 - M316999 M317000 & UP F601000 - K999999 F800300 - K999999 F752400 - K999999 F800000 - K999999 M391600 - W698432 M391600 - W698432 W698433 & UP W698433 & UP 4173000 - 4902304 4173000 - 4902304 4173000 - 4902304 3258728 - 4175499 3258728 - 4175499 3258728 - 4175499 A300000 & UP L416146 - M907201 K000656 - L600314 L680003 -M299999 M300000 - M599999 M600000 - W309999 W310000 - A299999 M300000 - M599999
M600000 - W309999
W310000 - A299999
M300000 - M316999
M317000 - A089999
L670000 - M299999 M300000 - M316999 M317000 & UP M317000 - A089999 M317000 - A089999 L670015 - M391599
Exh. Manifold Port
18-1953-2
18-1953-2 18-1953-2 18-1953-2 18-1953-2 18-1953-2
18-1953-2 18-1953-2 18-1953-2 18-1953-2
18-1953-2 18-1953-2 18-1953-2 18-1953-2
18-1958-1 18-1958-1 18-1958-1 18-1958-1 18-1958-1 18-1958-1
18-1953-2 18-1953-2 18-1953-2 18-1953-2
18-1953-2
18-1953-2
18-1953-2 18-1953-2
18-1953-2
Exh. Exh. Elbow Manifold
Starboard
18-1953-2 18-1976-2
18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2
❿
➀ 18-1953-2 18-1970-2 ❹
18-1953-2 18-1976-2 ❺ 18-1953-2 18-1976-2 18-1953-2 18-1976-2
18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2
❿ ➀ ❿ ➀
18-1962-1 18-1971 18-1962-1 N.L.A. 18-1962-1 N.L.A. 18-1962-1 18-1971 18-1962-1
18-1962-1
18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2 18-1953-2 18-1976-2
18-1953-2 18-1976-2
18-1953-2 18-1976-2
18-1953-2 18-1976-2 18-1953-2 18-1976-2
18-1953-2 18-1976-2
End Cap Front
End Cap Rear
Manifold Exh. Elbow Gasket Gasket
18-2949 18-2849-1 18-2949
18-2949
18-2949 18-0897 18-2949 18-2849-1 18-2949 18-0897 18-2949 18-0897 18-2949 18-2849-1 18-2949
18-2949
18-2949
18-2949
18-2949 18-0897 18-2949 18-0897 18-2949 18-0897 18-2949 18-2849-1 18-2949
18-2949 18-0897 18-2949 18-0897 18-2949 18-0897 18-2949 18-0897 18-2949
18-2949
18-2949
18-2949
18-0183-1 18-2833 18-0183-1 18-2833 18-0183-1 18-2833 18-0183-1 18-2833 18-0183-1 18-2833 18-0183-1 18-2833 18-2949
18-2949 18-2849-1 18-2949 18-0897 18-2949 18-2849-1 18-2949 18-0897 18-2949
18-2949
18-2949 18-2849-1
18-2949
18-2949
18-2949 18-2849-1
18-2949
18-2949 18-2849-1 18-2949 18-0897 18-2949
18-2949
18-2949
18-2949 18-2849-1
5.7L 5.7L GEN + 350
5.7L 5.7L GEN + 350
5.7L 5.7L GEN + 350
5.7L 5.7L EFI 350
5.7L 5.7L EFI GEN + 350
5.7L 5.7L EFI / 5.7L MIE 350
5.7L 5.7L MIE 350
5.7L 5.7L MIE GEN + 350
5.7L 5.7L MIE GEN + 350
5.7L 5.7L MPI / 5.7L MIE 350
5.7L 5.7L MPI / 5.7L SKI 350
5.7L 5.7L MPI / 5.7L SKI 350
5.7L 5.7L SKI 350
5.7L 5.7L SKI 350
5.7L 5.7L SKI 350
5.7L 5.7L SKI 350
5.7L 5.7L SKI 350
5.7L 5.7LX 350
5.7L 5.7LX BRAVO EFI 350
5.7L 5.7LX EFI 350
5.7L BLACK SCORPION SKI 350
5.7L BLACK SCORPION SKI 350
5.7L BLACK SCORPION SKI 350
5.7L SCORPION 350 350
5.7L SCORPION 350 350
6.2L 233 351
6.2L 233 MIE 351
6.2L 233 MIE 351
6.2L 255 FORD 351
6.2L 255 MIE FORD 351
6.2L 225 MIE FORD 351
6.2L 377 MAG 377
6.2L 377 SCORPION MCM 377
6.2L 377 SCORPION SKI 377
6.2L MX 6.2L MPI 377
6.2L MX 6.2L MPI 377
6.2L MX 6.2L MPI 377
6.2L MX 6.2L MPI 377
6.2L MX 6.2L MPI / MX 6.2L 377 HORIZON
6.2L MX 6.2L MPI / MX 6.2L 377 HORIZON
6.2L MX 6.2L MPI / MX 6.2L 377 HORIZON
6.2L MX 6.2L MPI / MX 6.2L HORI- 377 ZON / MX 6.2L MIE
6.2L MX 6.2L MPI / MX 6.2L HORI- 377 ZON / MX 6.2L MIE
6.2L MX 6.2L MPI / MX 6.2L MIE 377 6.2L MX 6.2L MPI / MX 6.2L MIE 377 6.2L MX 6.2L MPI / MX 6.2L MIE 377 6.2L MX 6.2L MPI / MX 6.2L SKI 377 6.2L MX 6.2L MPI / MX 6.2L SKI 377
18-4009 18-4009 18-1990 18-4009 18-4009 18-1990
➀
➀
18-4009 18-4009 18-4009 18-4009 18-4009 18-4009
6.2L MX 6.2L
BLACK SCORPION SKI
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
377 8 4
MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.)
❿ In-line applications ➀ V-drive applications ➁ Standard rise
➂ 2” (51mm) rise
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
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
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