OMC STERNDRIVE/COBRA
O-Rings
UPPER GEARCASE (Cobra)
POWER TILT AND TRIM (Cobra)
ENGINE
YEAR
O-RING
DESC.
QTY
ENGINE
YEAR
O-RING
DESC.
QTY
262 - 460
1988-89
18-7403
A,S
1
262 - 460
1988-90
18-7141
OL
12
262 - 460
1988-89
18-7107
GHC
1
262 - 460
1988-90
18-7102
PL
1
262 - 460
1988-89
18-7407
A,L
1
350 - 460
1988
18-7174
VSH
1
262 - 460
1988-90
18-7169
BC
1
350 - 460
1988
18-7168
VS
4
350 - 460
1990
OFP
1
350 - 460
1988
18-7174
VA,L
2
350 - 460
1990
18-7407
BC
1
350 - 460
1988
18-7165
VA,S
2
350 - 460
1990
18-7406
WDP
1
2.3 - 7.5
1986-88
18-7174
VSH
1
370
1988
18-7407
AB
1
2.3 - 7.5
1986-88
18-7168
VS
4
460
1990
18-7407
BC
1
2.3 - 7.5
1986-88
18-7174
VA,L
2
2.3 - 5.8
1990
OFP
1
2.3 - 7.5
1986-88
18-7165
VA,S
2
(1)
2.3 - 7.5
1986-90
18-7107
GHC
1
2.3-7.5
1986-90
18-7102
PL
1
(1)
2.3 - 7.5
1986-90
18-7407
A,L
1
2.3-7.5
1986-90
18-7141
OL
12
2.3 - 7.5
1986-90
18-7169
BC
1
PL
Plug Seal
(1)
2.3 - 7.5
1986-90
18-7403
A,S
1
VS
Valve Seat Assy. Seal
(2)
5.7
1990
18-7406
WDP
1
VA,L Valve Assy., Large Seal
(2)
VA,S Valve Assy., Small Seal
5.7
1990
18-7407
BC
1
VSH Valve Seat Hsg. Seal
(1)
5.7 '90 574 AMPWS, ARPWS
OL
Oil Line Seal
(2)
574 PEPWS
GHC Gear Hsg. Cover Seal
OIL AND COOLING SYSTEM (Cobra)
OFP Oil Fill Plug Seal
BC
Bearing Carrier Seal
A,S
Adaptor, Small Seal
ENGINE
YEAR
O-RING
DESC.
QTY
A,L
Adaptor, Large Seal
262/454
1989-90
AR
1
WDP Water Drain Plug Seal
AB
Anchor Block Seal
262 - 460
1988-90
ODF
1
350/460
1988-90
AR
1
370
1988
18-7162
THERM
1
2.3 - 5.8
1988-90
ODF
1
(1)
4.3
1990
AR
1
LOWER GEARCASE (Cobra)
7.5
1987
AR
1
ENGINE
YEAR
O-RING
DESC.
QTY
(1)
V-4 Only
ODF
Oil Drain Fitting Seal
262/350
1988-89
18-7475
PBHS
4
AR
Adapter Retainer Seal
262/350
1988-89
18-7142
PBH
1
THERM
Thermostat Seal
262 - 460
1988-89
DS B
1
262 - 460
1988-89
18-7475
BSS
1
POWERHEAD (Stringer)
262 - 460
1988-89
18-7138
DS BH
3
262 - 460
1988-89
18-7137
SR
1
350 - 460
1990
18-7145
PL
1
ENGINE
YEAR
O-RING
DESC.
QTY
370
1988
SL
2
80/90
1969-71
18-7108
WP
1
370/460
1988-89
18-7145
D&F S
2
88
1964
18-7133
CCH
3
2.3
1987
18-7145
D&F S
2
88/90
1964-68
CCHS
4
2.3
1990
PBH
1
90
1965-68
18-7133
CCH
4
2.3 - 3.0
1986-89
PBH
1
120/140
1977-80
18-7114
CP
1
2.3/3.0
1988-90
18-7145
D&F S
2
120 - 235
1976
18-7114
CP
1
2.5 - 5.7
1986
18-7145
D&F S
2
(1)
2.3 - 5.8
1986-90
18-7475
PBHS
4
WP
Water Pump Seal
(1)
2.3 - 7.5
1986-90
18-7475
BSS
1
CCH
Crankcase Head Seal
(1)
2.3 - 7.5
1986-90
18-7138
DS BH
3
CCHS
Crankcase Head Screw Seal
(1)
CP
Coupling Seal
2.3 - 7.5
1986-90
18-7137
SR
1
(1)
2.3 - 7.5
1986-90
DS B
1
(1)
3.0 - 5.8
1990
18-7142
PBH
1
4.3 - 5.8
1989-89
18-7142
PBH
1
INTERMEDIATE HOUSING (Stringer)
(2)
5.7
1990
18-7145
PLUG
1
ENGINE
YEAR
O-RING
DESC.
QTY
(1)
5.7 '90 574 AMPWS, ARPWS
(2)
574 PEPWS
80
1968
18-7162
SL
1
BSS
Bearing Setscrew Seal
80 -
90
1964-68
18-7174
WT
1
DS BH
Driveshaft Bearing Hsg. Seal
80 -
210
1964-70
BGR
1
DS B
Driveshaft Bearing Seal
(1)
80 -
245
1964-72
18-7174
PS
1
D&F S
Drain & Fill Screw Seal
80 -
260
1964-81
18-7198
COV
2
PBH
Prop Bearing Hsg. Seal
80 -
260
1964-81
18-7114
WR
1
PBHS
Prop Bearing Hsg. Screw Seal
80 -
260
1969-81
18-7162
SL
1
PL
Plug Seal
88
1964
18-7104
TH
1
SR
Shift Rod Seal
SL
Sleeve Seal
88
1964
18-7174
TC
1
90 -
235
1970-71
18-7158
DS
1
789
