Page 829 - 2021 Sierra Catalog

Liter Model
Note CID
# Cyl
0.02 0.03 Qty. Eng.
- -
- -
- -
- - 8 - -
18-3939 18-3938 8 18-3939 18-3938 8 18-3939 18-3938 8 - - 8 18-3939 18-3938 8 18-3939 18-3938 8 18-3939 18-3938 8 18-3939 19-3938 8 - - 8 18-3939 18-3938 8 18-3939 18-3938 8 18-3939 18-3938 8 - - 8 - - 8 - - 8 18-3939 18-3938 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8
- - 8
- - 8 - - 8 18-3939 18-3938 8 - - 8 18-3939 18-3938 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8 - - 8
(11) .010 (25mm)Oversize
N.L.A. No longer available from O.E. source
5.0L 5.0L MIE 5.0L 5.0L MPI 5.0L 5.0LX
305 305 305
GM 305 GM 327 GM 327 GM 350 GM 350 GM 350 GM 350 GM 350 GM 350
350 350 350 350
GM GM GM
350 350 350 350 350 350 350 350 350
350
350 350 350
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
8 8 8 8 8 8 8 8 8
8
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
- -
- -
- -
- -
- -
- -
18-4188 18-4164 18-4188 18-4164 - - 18-4188 18-4164 18-4188 18-4164 18-4188 18-4164
- -
- -
- -
- -
- -
- -
18-4189 - 18-4189 - 18-4188 18-4164
- -
- 18-4164
- -
- 18-4164
- -
- -
- -
- -
- -
-
-
- 18-3944 - 18-3937 18-3937 18-3937 - 18-3937 18-3937 18-3937 18-3937 - 18-3937 18-3937 18-3937 -
-
- 18-3937 -
-
-
-
-
-
-
-
-
-
- 18-3937 - 18-3937
5.0L 898 5.4L 225 5.4L 250 5.7L 250 5.7L 255 5.7L 255 5.7L 260 5.7L 260 5.7L 260 5.7L 270 5.7L 280 5.7L 300 5.7L 320 5.7L 320
325
330
330 W/B.W.
5.7L 350 5.7L 350 5.7L 350 5.7L 350 5.7L 350 5.7L 350 5.7L 350 5.7L 350 5.7L 350
MAG MAG MAG MAG MAG MAG MAG MAG MAG
ALPHA
ALPHA EFI GEN +
BRAVO MPI
BRAVO MPI GEN +
SKI
EFI SKI GEN +
MPI GEN +
MPI / 350 MAG HORIZON
MPI / 350 MAG HORIZON / MIE
/ 350 MAG MIE / 350 MAG +
/ 198
MCM / 225 MIE MCM - 250 MIE
MIE
MIE
/ 5.7L
MCM / 270 MIE
EFI
GM EFI BRAVO
350 MAG
5.7L 350
MPI GEN
MAG
5.7L 350
5.7L 350
5.7L 350
5.7L 350
5.7L 350
5.7L 5.7L
5.7L 5.7L
5.7L 5.7L
5.7L 5.7L
5.7L 5.7L
5.7L 5.7l EFI MIE GEN + 5.7L 5.7L MIE
5.7L 5.7L MIE GEN +
5.7L 5.7L MPI / 5.7L HORIZON / 5.7L MIE 5.7L 5.7L MPI / 5.7L MIE
5.7L 5.7L MPI / 5.7L SKI
5.7L 5.7L SKI
5.7L 5.7L SKI GEN +
5.7L 5.7LX
5.7L 5.7LX BRAVO EFI GEN +
5.7L 5.7LX EFI
5.7L BLACK SCORPION SKI GEN +
5.7L SCORPION 350
5.8L 233
18-4173
-
18-4173
-
18-4173
18-4173 - 18-4173 - - - 18-4173 - - - - - 18-4173 - - - - - - - - - 18-4173 - - - 18-4173 - - - 18-4173 - - - - - - -
MAG MAG MAG
MPI SKI
MPI SKI GEN + SKI
- 18-4164
- -
18-4188 18-4164 - - 18-4188 18-4164
MAG
GM 350 GM 350 350 2bbl 350 350 350 350 350 350 350 350 350 350 350 350 350 350 350 350 350 FORD 351
GEN + EFI
EFI GEN +
18-4164 - 18-4164 - - - 18-4164 -
- -
- -
18-4164 -
- -
- -
- -
- -
18-4164 - - - 18-4164 - - - 18-4164 -
- -
- -
- -
(1) Cast Aluminum (Use with GM Engine Code 1XW)
(2) Cast aluminum (Use with GM Engine Code 4XW)
(3) Forged Aluminum (Use with GM Engine Code 3UB)
(4) Cast Aluminum (Use with GM Engine Code 4XX)
Cast Aluminum (Use with GM Engine Code 2XY)
(9)
(10) Port
PISTON/RING APPLICATION
I/O — MERCRUISER - Internal Engine System
Stroke
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
4
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
(5)
(6) Cast Aluminum (Use with GM Engine Code 4XY) (7) Flat Head
(8) Forged Aluminum, Recessed Head
Year
1988 2002-2010 1988-1995 1977-1984 1963-1969 1968-1969 1977 1975-1976 1975-1980 1978-1987 1981-1987
1969-1972 1975-1976 1985-1988 1987-1989
1986-1997 1996-1997 1995 1996-1997 1994-1996 1996-1997 1998-2010 2002-2007 1998-2007
1998-2007
1995-1996 1998-2007 1991-1997
1988-1995 1996-1997 1998-2010 1995-1997 1998-2001 1997 1988-1997 1998-2010 2008-2010 2008-2010 2008-2010 1985-1997 1998-2010 1996-1997 1996-1997 1996-1997 1998-2007 2008-2010 1975-1977
Serial #
B788152 - C396832 M300000 & UP B773740 - F600999 4762210 - 6899057 1539620 - 2694014 2314301 - 2639854 4768000 - 4908849 4175500 - 4767999 4175500 - 5907057 4908850 - B773304 5907058 - B788151 B525982 - & Up 2851074 - 3077735 4176250 - 4770199 6668677 - B430367 A543604 - C622418 B157603 - & Up 2278747 - & Up 4623115 - & Up 6083145 - & Up A635178 - K999999 F800300 - K999999 F415189 - F601999 F602000 - K999999 F215561 - F820706 F820707 - K999999 L010019 & UP M300000 - A299999 L304700 - A89999
L002008 - A089999
F350583 - F799999 L002600 - A089999 D505450 - K999999 3780450 - & Up B525982 - & Up B773305 - F600999 F601000 - K999999 L010037 & UP F225560 - K999999 L010035 - M299999 K040300 - K999999 B788152 - K999999 L002003 & UP A090000 & UP A090000 & UP A090000 & UP A338553 - K999999 L002005 & UP F601000 - K999999 F800300 - K999999 F752400 - K999999 F800000 - W6988432 W698432 & UP 4173000 - 4902304
Pistons Std.
-
-
-
-
-
- 18-4173 18-4173 18-4173 18-4173 18-4173 18-4173 -
-
-
-
-
-
-
- 18-4173 - 18-4173 - 18-4173 -
- - -
-
0.02 0.03 Rings Std.
Starboard
811