OMC STERNDRIVE/COBRA
Drive System
NUT/SPACER/WASHER/COTTER PIN/PROP NUT KIT APPLICATION
Prop
Prop
Cotter
Cotter
Nut Kit
Nut Kit
Model
Year
Nut
Spacer
Washer
Pin
Model
Year
Nut
Spacer
Washer
Pin
120
1978-81
18-3705
18-3742
460
1989-90
18-3741
140
1978-81
18-3705
18-3742
502
1992
18-3741
185
1978-80
18-3741
2.3
1987-90
18-3705
18-3742
200
1979-81
18-3741
2.5
1982-86
18-3705
18-3742
225
1978
18-3741
3
1982-89
18-3705
18-3742
230
1979
18-3741
3
1990-92
18-3741
240
1978
18-3741
3.8
1981-85
18-3741
260
1979-81
18-3741
4.3
1985-92
18-3741
262
1987-89
18-3741
5
1982-92
18-3741
350
1988-91
18-3741
5.7
1979-92
18-3741
351
1992
18-3741
5.8
1989-92
18-3741
454
1990-92
18-3741
7.5
1987
18-3741
-- CONTAINS --
Part #
Desc.
O.E. #
Qty.
18-7114
O-RING
302540
1
18-7400
O-RING
908194
1
18-7952
OILSEAL
911019
1
18-2863
GASKET, COVER
308799
1
CLUTCH HOUSING SEAL KIT
18-4248
GASKET, OIL DRAIN
311598
1
Fits: All models 1977 & below
18-0939
GASKET, DIPSTICK
315189
1
-- CONTAINS --
Part #
Desc.
O.E. #
Qty.
OILSEAL
321467
2
18-7114
O-RING
302540
1
18-7168
O-RING
202893
2
18-7400
O-RING
908194
1
18-2863
GASKET, COVER
308799
1
CLUTCH HOUSING SEAL KIT
18-4248
GASKET, OIL DRAIN
311598
2
Fits: All models 1978 & above
18-0939
GASKET, DIPSTICK
315189
1
Clutch
Clutch
Clutch
Clutch
Pack
Pack
Pack
Pack
HP
Year
Seal Kit
HP
Years
Seal Kit
HP
Years
Seal Kit
HP
Years
Seal Kit
230
1980-1981
80
1968-1969
140
1980-1981
190
1974-1977
235
All
90
All
3.0L
1982-1985
200
1966-1968
240
1978
100
1972-1973
155
1967-1972
200
1979-1980
245
1972-1975
120
1965-1978
165
1972-1976
200
1980-1981
250
1979
120
1979-1980
3.8L
1981-1983
5.0L
1982-1985
260
1979-1980
120
1980-1985
170
1974
210
1968-1970
260
1980-1981
2.5L
1982-1985
175
1975-1977
215
1971
5.7L
1982-1985
140
1973-1978
185
1967-1968
225
All
140
1979-1980
185
1978
230
1979-1980
(1)1980 Models with the "C" suffix
(2)1980 Models with "K" or "U" suffix
(3)1980 Models with "C1" suffix
ANODE
ANODE
Replaces: 976669
ANODE
Replaces: 982277, 982438
ANODE
Replaces: 393023, 436745
For Stringer Drive models with central
For intermediate housing on
Replaces: 433458, 398331
groundingpointonboathull
Stringer Drive models
(1982-87) For use on gearcases
➃ Aluminum
(5) Zinc
780
