OMC STERNDRIVE/COBRA
O-Rings
O-RINGS
Dimensions (in)
Dimensions (in)
Part #
O.E. #
I.D.
Width
Part #
O.E.#
I.D.
Width
(2)(5)
18-7100
301877
.245
.155
(3)(5)
18-7150
334913
.225
.115
(2)(5)
18-7101
305739
.250
.065
(2)(5)
18-7152
307082
2.625
.135
(2)(5)
18-7102
307450
.430
.065
(1)
18-7153
3852565,
(2)(5)
911851
.0860
.100
18-7103
308624
.920
.100
(2)(5)
(2)(5)
18-7104
308627
2.210
.135
18-7155
305270
1.620
.135
(2)(5)
(2)(5)
18-7105
311338
.750
.065
18-7156
309731
1.185
.100
(2)(5)
(2)(5)
18-7107
313175
4.750
.135
18-7158
310585
.740
.100
(2)(5)
(2)(5)
18-7108
313893
2.550
.100
18-7162
302337
2.025
.135
(2)(5)
(2)(5)
18-7108
338518
2.550
.100
18-7164
302537
1.375
.100
(2)(5)
(2)(5)
18-7109
317178
.214
.048
18-7165
304174
.500
.065
(1)
(2)(5)
301824
.197
.113
18-7167
310414
3.625
.135
(1)
(2)(5)
302493
1.170
.135
18-7168
202893
.370
.065
(2)(5)
(2)(5)
18-7114
302540
1.000
.135
18-7169
911686
3.500
.135
(1)
(1)
302588
1.735
.135
18-7170
307239
1.365
.135
(1)
(2)(5)
303067
.360
.100
18-7172
553126
3.250
.135
(1)
(2)(5)
303360
1.060
.135
18-7173
310327
1.875
.135
(2)(5)
(2)(5)
18-7118
305242
.300
.135
18-7174
910582
.620
.100
(1)
(2)(5)
307853
.215
.065
18-7174
326649
.620
.100
(1)
(2)(5)
332598
.215
.065
18-7178
320140
.920
.135
(1)
(2)(5)
308621
3.100
.135
18-7180
303347
.445
.090
(1)
(2)(5)
308876
2.235
.100
18-7198
308626
1.430
.100
(1)
(2)(5)
313340
1.690
.100
18-7400
908194
4.000
.100
(1)
(2)(5)
313446
3.315
.135
18-7401
908383
2.485
.100
(1)
(2)(5)
313754
1.835
.100
18-7403
909316
1.500
.100
(2)(5)
(2)(5)
18-7129
314491
.970
.065
18-7404
909747
.300
.100
(1)
(2)(5)
314728
2.125
.100
18-7406
911311
0.250
.065
(2)(5)
(2)(5)
18-7133
305123
3.780
.135
18-7407
911700
4.125
.135
(2)(5)
(2)(5)
18-7134
303059
.500
.100
18-7407
3852531
4.125
.135
(1)
(2)(5)
310584
.750
.135
18-7408
911718
1.060
.100
(2)(5)
(2)(5)
18-7137
318372
0.320
.155
18-7409
911871
1.175
.100
(2)(5)
(2)(5)
18-7138
318717
1.500
.210
18-7413
303191
.301
.070
(2)(5)
(2)(5)
18-7139
319085
1.080
.210
18-7416
329380
.612
.103
(2)(5)
(2)(5)
18-7140
320303
2.750
.135
18-7417
329381
.362
.103
(2)(5)
(2)(5)
18-7141
321117
.180
.065
18-7418
326741
4.484
.139
(2)(5)
➃
18-7142
322119
3.940
.135
18-7440-1
301967
.799
.103
(2)(5)
(1)
18-7143
322501, 331188
1.310
.100
319662
1.799
.103
(2)(5)
(1)
18-7144
326849
4.250
.135
308458
1.612
.103
(2)(5)
(2)(5)
18-7145
333572
.250
.100
18-7475
332584
.250
.065
(2)(5)
(2)(5)
18-7146
554545
1.120
.100
18-7477
909048
.480
.100
(3)(5)
(1)
18-7150
303598
.225
.115
305146
.612
.139
(3)(5)
(1)
18-7150
331380
.225
.115
18-7510
321163
2.750
.070
(1) Pkg. of 1
(2) Pkg. of 5
(3) Pkg. of 10
➃ Indicates Quad Rings rather than O-Rings
TRANSOM MOUNT (Cobra)
TRANSOM MOUNT (Cobra) (Cont.)
ENGINE
YEAR
O-RING
DESC.
QTY.
ENGINE
YEAR
O-RING
DESC.
QTY.
(1)
2.3 - 7.5
1986-90
18-7409
SC
1
262 - 460
1988-89
18-7165
SCS
1
262 - 460
1988-89
18-7408
NP
2
2.3 - 7.5
1986-90
18-7143
MB
1
262 - 460
1988-89
18-7409
SC
1
262 - 460
1988-89
18-7406
PL
1
(1)
5.7 '90 574 AMPWS, ARPWS
262 - 460
1988-89
18-7168
BC
1
BC
Bell Crank Seal
262 - 460
1988-90
18-7162
UG
1
MB
Manifold Block Seal
262 - 460
1988-90
18-7143
MB
1
UG
Upper Gimbal Seal
(1)
2.3 - 7.5
1986-90
18-7168
BC
1
SCS
Shift Cable Seal
PL
Plug Seal
2.3 - 7.5
1986-90
18-7162
UG
1
NP
Nipple Seal
