Sierra Marine Parts Catalog: OMC Sterndrive Cobra
NUT/SPACER/WASHER/COTTER PIN/PROP NUT KIT APPLICATION
Cotter
Cotter
Prop
Prop
Model
Year
Nut
Spacer
Washer
Pin
Model
Year
Nut
Spacer
Washer
Pin
Nut Kit
Nut Kit
120
1978-81
460
1989-90
140
1978-81
502
1992
1978-80
1987-90
185
2.3
200
1979-81
2.5
1982-86
225
1978
3
1982-89
230
1979
3
1990-92
240
1978
3.8
1981-85
1979-81
1985-92
260
4.3
262
1987-89
5
1982-92
350
1988-91
5.7
1979-92
351
1992
5.8
1989-92
454
1990-92
7.5
1987
-- CONTAINS --
Part #
Desc.
O.E. #
Qty.
O-RING
302540
1
O-RING
908194
1
OIL SEAL
911019
1
CLUTCH HOUSING SEAL KIT
GASKET, COVER
308799
1
GASKET, OIL DRAIN
311598
1
Fits: All models 1977 & below
GASKET, DIPSTICK
315189
1
-- CONTAINS --
Part #
Desc.
O.E. #
Qty.
OIL SEAL
321467
2
O-RING
302540
1
O-RING
202893
2
O-RING
908194
1
GASKET, COVER
308799
1
CLUTCH HOUSING SEAL KIT
GASKET, OIL DRAIN
311598
2
Fits: All models 1978 & above
GASKET, DIPSTICK
315189
1
Clutch
Clutch
Clutch
Clutch
Pack
Pack
Pack
Pack
HP
Year
Seal Kit
HP
Year
Seal Kit
HP
Year
Seal Kit
HP
Year
Seal Kit
230
1980-1981
80
1968-1969
190
1974-1977
140
1980-1981
235
All
90
All
200
1966-1968
3.0L
1982-1985
240
1978
100
1972-1973
200
1979-1980
155
1967-1972
245
1972-1975
120
1965-1978
200
1980-1981
165
1972-1976
250
1979
120
5.0L
1979-1980
1982-1985
3.8L
1981-1983
260
1979-1980
120
1980-1985
210
1968-1970
170
1974
1980-1981
260
2.5L
1982-1985
215
1971
175
1975-1977
5.7L
1982-1985
140
1973-1978
225
All
185
1967-1968
140
230
1979-1980
1979-1980
185
1978
➀ 1980 Models with the "C" suffix
➁ 1980 Models with "K" or "U" suffix
➂ 1980 Models with "C1" suffix
Zinc is for saltwater only applications.
Magnesium is for fresh water only applications.
Aluminum is for brackish water, or if boat is used in both fresh and salt environments.
➄ 18-6020
➄ 18-6024
➄ 18-6019
ANODE
➃ 18-6024A
ANODE
➄ 18-6025
Replaces: 976669
ANODE
Replaces: 982277, 982438
ANODE
Replaces: 393023, 436745
For Stringer Drive models with central
For intermediate housing on
Replaces: 433458, 398331
grounding point on boat hull
Stringer Drive models
(1982-87) For use on gearcases
801
➃ Aluminum
➄ Zinc