Page 822 - 2021 Sierra Catalog
P. 822
Liter Model
# Cyl.
350 8 350 8 350 8 350 8 350 8 350 8 350 8 350 8
350 8
350 8
350 8
350 8
350 8 350 8 350 8 350 8 350 8
350 8 350 8 350 8
350 8
350 8
350 8
350 8
350 8
350 8
350 8
350 8
350 8
350 8
350 8 350 8
Stroke Year Range
4 1969-1972 4 1969-1972 4 1975-1976 4 1975-1976 4 1985-1986 4 1987-1989 4 1986-1997 4 1996-1997
4 1995
4 1996-1997
4 1994-1996
4 1996-1997
4 1998-2001 4 2002
4 2002-2004 4 2004-2010 4 2002
4 2002-2004 4 2004-2007 4 1999-2001
4 2002
4 2002-2007
4 1998-2001 4 2002
4 2002-2007 4 1995-1996 4 1998-2001 4 2002
4 2002-2007 4 2002-2007
4 1991-1997 4 1988-1997
Serial # Range
2851074 - 3385720 2851074 - 3077735 4176250 - 4770199 4176250 - 4770199 6668677 - B4300367 A543604 - C622418 A635178 - K999999 F800300 - K999999
F415189 - F601999
F602000 - K999999
F215561 - F820706
F820707 - K999999
L010019 - M299999 M300000 - M599999 M600000 - W309999 W310000 & UP M300000 - M599999
M600000 - W309999 W310000 - A299999 L304700 - M299999
M300000 - M316999
M317000 - A089999
L002008 - M299999
M300000 - M316999
M317000 - A089999
F350583 - F799999
L002600 - M299999
M300000 - M316999
M317000 - A089999
M317000 - A089999
D505450 - K999999 B773305 - K999999
Exh. Manifold Port
❽
18-1950-1 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 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
5.7L 270 5.7L 270 5.7L 280 5.7L 280 5.7L 300 5.7L 320 5.7L 350 5.7L 350
MIE TRS TRS
EFI
MAG ALPHA MAG ALPHA /
❾
350 MAG EFI
5.7L 350
350 MAG MPI
MAG BRAVO /
5.7L 350
350 MAG MPI GEN +
Note CID
Exh. Manifold Starboard
❽ 18-1951-1 ❾ 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 18-1953-2
18-1953-2 18-1953-2 18-1953-2
18-1953-2 18-1953-2
Exh. Elbow
❽ ❾
18-1976-2 18-1976-2 18-1976-2
18-1976-2
18-1976-2
18-1976-2
18-1976-2
18-1976-2 18-1976-2
18-1976-2
18-1976-2
18-1976-2
18-1976-2 18-1976-2
18-1976-2 18-1976-2 18-1976-2 ❿
➀
18-1976-2 18-1976-2
End Cap Front
18-4009 18-4009 18-4009 18-4009
End Cap Rear
18-1990 18-1990 18-1990 18-4009
Manifold Exh. Elbow Gasket Gasket
18-2949 18-0885-1 18-2949 18-0885-1 18-2949 18-0885-1 18-2949 18-2833 18-2949 18-2849-1 18-2949 18-0897 18-2949 18-0897 18-2949 18-0897
18-2949 18-0897 18-2949 18-0897 18-2949 18-0897 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 18-2849-1
18-2949
18-2949 18-2849-1 18-2949 18-0897 18-2949
18-2949
18-2949 18-2849-1 18-2949 18-0897 18-2949 18-0897 18-2949
18-2949 18-0897 18-2949 18-0897
MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.)
I/O — MERCRUISER - Cooling System
804
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
5.7L 350
350 MAG SKI
5.7L 350 MAG MPI 5.7L 350 MAG MPI 5.7L 350 MAG MPI 5.7L 350 MAG MPI 5.7L 350 MAG MPI /
350 MAG 5.7L 350 MAG 350 MAG 5.7L 350 MAG 350 MAG 5.7L 350 MAG 350 MAG
MAG MIE 5.7L 350 MAG 350 MAG
MAG MIE 5.7L 350 MAG 350 MAG
MAG MIE 5.7L 350 MAG 350 MAG 5.7L 350 MAG
HORIZON MPI / HORIZON MPI / HORIZON MPI / HORIZON
MPI / HORIZON
MPI / HORIZON
MPI / MIE MPI
/
/
/
350
350
350
/ 350 MAG MIE 5.7L 350 MAG MPI
/ 350 MAG MIE 5.7L 350 MAG MPI
MAG BRAVO GEN + /
MAG EFI /
5.7L 350
350 MAG SKI GEN +
MAG EFI GEN + /
/ 350 MAG SKI
5.7L 350 MAG MPI GEN +
/ 350 MAG SKI GEN + 5.7L 350 MAG MPI GEN +
/ 350 MAG SKI GEN + 5.7L 350 MAG MPI GEN +
/ 350 MAG SKI GEN + 5.7L 350 MAG MPI GEN +
/ 350 MAG SKI GEN + 5.7L 350 MAG SKI
5.7L 5.7L
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
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
