Page 820 - 2021 Sierra Catalog

802
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
Liter Model
Note CID # Cyl.
224 4 224 4 224 4 224 4 224 4 224 4 224 4 224 4 224 4 224 4 224 4 224 4 194 6 230 6 250 6 250 6 292 6
4bbl 229 6 262 6 2bbl 262 6 2bbl 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 262 6 4 bbl 262 6 2bbl 262 6 2bbl 262 6 262 6 262 6 302 8 302 8 302 8 302 8 FORD 302 8 FORD 302 8 302 8
Stroke Year Range
4 1987
4 1985-1986 4 1985-1986 4 1988-1989 4 1988-1989 4 1988-1989 4 1988-1989 4 1976-1977 4 1977-1982 4 1983-1984 4 1980-1982 4 1983-1984 4 1963
4 1964-1966 4 1967-1969 4 1970-1981 4 1969
4 1983-1984 4 1987
4 1985-1986 4 1985-1986 4 1985-1986 4 1985-1986 4 1987
4 1996-1997 4 1996-1997 4 1988-1996 4 1998-2002 4 1998-2002 4 2002-2004 4 2004-2010 4 1998-2002 4 1998-2002 4 2002
4 2002
4 2002-2004 4 2004-2010 4 2010-2011 4 2010-2011 4 1998-2002 4 1998-2002 4 1988-1996 4 1996-1997 4 1996-1997 4 1996-1997 4 1996-1997 4 1970
4 1971-1972 4 1970
4 1971-1972 4 1973-1974 4 1973-1974 4 1971-1977
Serial # Range
B436391 - B775248 6916779 - B436390 6916779 - B436390 B774252 & UP B774252 & UP B775249 & UP B775249 & UP 4208730 - 4625579 4625580 - 6218036 6218037 - 6916778 5685394 - 6218036 6170297 - 6916778 1538930 - 1725960 1666495 - 2048046 2048022 - 2770031 2770032 - 5813433 2453769 - 2712072 6330183 - 6919655 B527955 - B773242 A331455 - B527954 A331455 - B527954 A331455 - B527954 A331455 - B527954 B527955 - B775129 F803800 - K999999 F803800 - K999999 B773243 - F802999 L010044 - M614999 L010044 - M614999 M615000 - W309999 W310000 & UP L012009 - M322780 L01009 - M322780 M300000 - M614999 M300000 - M614999 M615000 - W309999 W310000 & UP A637496 & UP A637496 & UP L010044 - M614999 L010044 - M614999 B775130 - F802999 F803800 - K999999 F803800 - K999999 F803814 - K999999 F803814 - K999999 2781153 - 3040410 3040411 - 3385720 2781153 - 3040410 3040411 - 3563181 3385721 - 4166999 3385721 - 4176999 3108723 - 4867829
Exh. Manifold Port
❷ ❶ ❷ ❶ ❷ ❶ ❷
18-1960-1 18-1960-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 ☛ 18-1952-1 18-1952-1 ☛
18-1952-1
☛
18-1952-1 18-1952-1
18-1952-1
☛
18-1952-1 18-1952-1 ☛ 18-1952-1 ☛ 18-1958-1 18-1958-1 18-1958-1 18-1958-1 18-1958-1 18-1958-1 18-1958-1
Exh. Manifold Starboard
Exh. Elbow
18-1937 18-1937 18-1937
End Cap Front
End Cap Rear
Manifold Gasket
18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-0956-1 18-2830-1 18-2830-1 18-2830-1 18-2830-1 18-2830-1 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-2909 18-0183-1 18-0183-1 18-0183-1 18-0183-1 18-0183-1 18-0183-1 18-0183-1
Exh. Elbow Gasket
18-0113-1 18-0881-1 18-0113-1 18-0881-1
18-0881-1 18-0113-1 18-2833 18-2833 18-0113-1
18-0113-1
18-2833 18-2833 18-0897 18-0897 18-0897 18-0897 18-0897 18-0897 18-0897 18-0897
18-0897 18-2849-1
18-2849-1 18-0897 ♠
18-2849-1♣
18-2849-1
18-0897 18-0897
18-0897
18-2833 18-2833 18-2833 18-2833 18-2833 18-2833 18-2833
3.7L 180 3.7L 190 3.7L 190 3.7L 3.7L 3.7L 3.7L 3.7L 3.7LX 3.7L 3.7LX
470
470 MCM / 470 MIE 470
485
488
140
150
160
165
200
185
175
185
185
205
205
205
18-1971 18-1971 18-1970-2 18-1976-2 18-1970-2 ❹ 18-1976-2 ❺ 18-1970-2 ❹ 18-1976-2 ❺ 18-1976-2 18-1976-2 ❻ ❼ 18-1976-2 18-1976-2 ❻ ❼
18-1976-2 ❻ ❼ 18-1976-2 18-1976-2
➅
➆ 18-1976-2 ❻ ❼ 18-1976-2 18-1976-2 ❻ ❼ 18-1976-2 ❻ ❼
18-1971 18-1971
18-1971 18-1971
18-4009
18-1990 18-1990
4.3L 262
4.3L 262
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3L
4.3L 4.3LH GEN + 4.3L 4.3LH GEN + 4.3L 4.3LH
4.3L 4.3LX GEN + 4.3L 4.3LX GEN + 4.3L 4.3LXH GEN + 4.3L 4.3LXH GEN + 5.0L 215
5.0L 215 5.0L 215 5.0L 215 5.0L 225 5.0L 225 5.0L 888
18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 18-1952-1 ❻ ☛ 18-1952-1 18-1952-1 ❻ ☛
18-1952-1 ❻ ☛ 18-1952-1 18-1952-1
18-1952-1 ❻ ☛ 18-1952-1 18-1952-1 ❻ ☛ 18-1952-1❻ ☛ 18-1962-1 18-1962-1 18-1962-1 18-1962-1 18-1962-1 18-1962-1 18-1962-1
MAG EFI GEN + MAG EFI GEN +
❻
❻
❻
❻
❻
❻
GEN + GEN + GEN + GEN + EFI GEN + EFI GEN + MPI
MPI
MPI
MPI
MPI / 4.3L EC MPI / 4.3L EC
MIE MIE
MIE
18-4009 18-4009 18-4009 18-4009 18-4009 18-4009 18-4009
18-1990 18-4009 18-1990 18-4009 18-4009 18-4009 18-4009
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
MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.)
I/O — MERCRUISER - Cooling System