Page 937 - 2021 Sierra Catalog
P. 937
Year
1991
1991
1990-91
1982-83,1985-90
1990
1990
1990
1990
1990
1990
1987-90
1989
1989
1988
1988
1988
1982-87
1982-87
1982-86
1984
1978-81 1978-81
1981
1981
1980
1980
1979
1979
1979
1979
1978
1978
1978
1977
1977
1977
1976
1974-76
1976
1976
1974-75
1974-75
1975
1974
1974
1973
1973
1972-73
1972
1972
1972
1971
1965-71
1967-71
1968-70
1967-68
1966-68
1964-66
1964
Horsepower
454/454 HO
7.4L (GM)
8.2L (GM)
3.0 Liter
4.3 Liter
5.0/5.0 HO/5.8 Liter
5.0/5.7L
7.4L (GM)
7.5L (Ford)
454 King Cobra
460 King Cobra
5.0/5.0 HO/5.8 Liter
5.7/350 King Cobra
5.0/5.7/350 King Cobra
5.0/5.7/350 King Cobra
370 King Cobra
5.0/5.7 Liter
5.0/5.7 Liter
2.5 Liter
3.0 Liter
400 Series, 120 HP 400 Series, 140 HP
800 Series, 200,230,260 HP
800 Series, 200,230,260 HP
800 Series, 185-260 HP
800 Series, 185-260 HP
800 Series,185-230 HP
800 Series,185-230 HP
800 Series, 260 HP
800 Series, 260 HP
800 Series, 185-225 HP
800 Series, 185-225 HP
800 Series, 240 HP
120 HP
140 HP
175 THRU 235 HP
120 HP
140 HP
165 HP
175 THRU 235 HP
120 HP
165 HP
175 THRU 235 HP
170 & 190 HP
175 THRU 235 HP
100,120,140 HP
165 HP
225 & 245 HP
100,120 HP
155 HP
165 HP S MODEL, C MODEL
215 & 235 HP
120 HP
155 HP
210 HP
185 HP
200 HP
150 HP
110 HP
MANIFOLD/MANIFOLD GASKET APPLICATION
Exhaust Manifold
—
—
—
18-1901
—
—
18-1986-1
—
—
—
—
—
—
18-1902 #
18-1903 *
—
18-1902 #
18-1903 *
18-1901
18-1901
— —
18-1902 #
18-1903 *
18-1902 #
18-1903 *
18-1902 #
18-1903 *
18-1902 #
18-1903 *
18-1902 #
18-1903 *
—
—
—
—
18-1904
18-1904
18-1904
18-1904
18-1904
18-1904
18-1904
18-1904
18-1904
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Exhaust Elbow
18-1909-1
18-1909-1
18-1909-1
18-1922
18-1909-1
18-1921
18-1909-1
—
—
—
—
18-1921
—
18-1921
18-1921
—
18-1921 ➀
18-1921
18-1922
18-1921
— 18-1922
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
18-1921
—
18-1922
18-1921
—
18-1922
18-1922
—
—
18-1922
—
—
—
—
18-1922
—
—
—
—
—
—
—
—
—
—
—
—
Manifold Mount Kit
—
—
—
—
—
—
18-8502
—
—
—
—
—
—
18-8502
18-8502
—
18-8502
18-8502
—
—
— —
18-8502
18-8502
18-8502
18-8502
18-8502
18-8502
18-8502
18-8502
18-8502
18-8502
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Elbow Mount Kit
18-8507
18-8507
18-8507
—
18-8507
—
18-8507
—
—
—
—
18-8534
—
18-8534
18-8534
—
18-8534
18-8534
—
18-8534
— —
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
18-8534
—
—
18-8534
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Manifold Gasket
—
18-0418
—
—
—
18-0183-1
18-2902-1
18-0418
18-0992
—
—
18-0183-1
18-2902-1
18-2902-1
18-2902-1
—
18-2902-1
18-2902-1
18-2896-1
—
18-2896-1 —
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
18-2902-1
—
18-2896-1
—
18-0183-1
18-0183-1
—
18-2830-1
18-0183-1
18-2896-1
—
18-0183-1
18-0183-1
18-0183-1
18-2896-1
18-2896-1
—
18-2896-1
N/A
—
—
—
N/A
—
—
N/A
N/A
N/A
Elbow Gasket
18-0943-2
18-0943-2
—
18-2875-1
—
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-2875-1
18-2875-1
18-2861-1 18-2875-1
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
18-0943-2
—
18-0943-2
18-2861-1
18-2875-1
18-0943-2
18-2861-1
18-2875-1
18-2875-1
18-2850-1
18-2875-1
18-2875-1
18-2875-1
18-2850-1
18-2861-1
18-2861-1
18-2883
18-2861-1
18-2883
18-2875-1
18-2859
18-2861-1
18-2859
18-2859
18-2859
18-2859
18-2859
18-2859
919
# Starboard * Port ➀ High rise applications only for 1985 ➁ 5.0L only
I/O — OMC STERNDRIVE/COBRA - Cooling System
