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Sierra Marine Parts Catalog: OMC Sterndrive Cobra

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O-RINGS
Dimensions (in)
Dimensions (in)
O.E. #
I.D.
Width
Part #
O.E. #
I.D.
Width
Part #
18-7100
18-7150
301877
.245
.155
331380
.225
.115
➁ ➄
➂ ➄
18-7101
18-7150
305739
.250
.065
334913
.225
.115
➁ ➄
➂ ➄
18-7102
18-7152
307450
.430
.065
307082
2.625
.135
➁ ➄
➁ ➄
18-7103
18-7153
308624
.920
.100
3852565,
➁ ➄
18-7104
308627
2.210
.135
911851
.0860
.100
➁ ➄
18-7105
18-7155
311338
.750
.065
305270
1.620
.135
➁ ➄
➁ ➄
18-7107
18-7156
313175
4.750
.135
309731
1.185
.100
➁ ➄
➁ ➄
18-7108
18-7158
313893
2.550
.100
310585
.740
.100
➁ ➄
➁ ➄
18-7108
18-7162
338518
2.550
.100
302337
2.025
.135
➁ ➄
➁ ➄
18-7109
18-7164
317178
.214
.048
302537
1.375
.100
➁ ➄
➁ ➄
18-7111
18-7165
301824
.197
.113
304174
.500
.065
➁ ➄
18-7112
18-7167
302493
1.170
.135
310414
3.625
.135
➁ ➄
18-7114
18-7168
302540
1.000
.135
202893
.370
.065
➁ ➄
➁ ➄
18-7115
18-7169
302588
1.735
.135
911686
3.500
.135
➁ ➄
18-7116
18-7170
303067
.360
.100
307239
1.365
.135
18-7117
18-7172
303360
1.060
.135
553126
3.250
.135
➁ ➄
18-7118
18-7173
305242
.300
.135
310327
1.875
.135
➁ ➄
➁ ➄
18-7120
18-7174
307853
.215
.065
326649
.620
.100
➁ ➄
18-7120
18-7178
332598
.215
.065
320140
.920
.135
➁ ➄
18-7121
18-7180
308621
3.100
.135
303347
.445
.090
➁ ➄
18-7123
18-7198
308876
2.235
.100
308626
1.430
.100
➁ ➄
18-7126
18-7400
313340
1.690
.100
908194
4.000
.100
➁ ➄
18-7127
18-7401
313446
3.315
.135
908383
2.485
.100
➁ ➄
18-7128
18-7403
313754
1.835
.100
909316
1.500
.100
➁ ➄
18-7129
18-7404
314491
.970
.065
909747
.300
.100
➁ ➄
➁ ➄
18-7130
18-7406
314728
2.125
.100
911311
0.250
.065
➁ ➄
18-7133
18-7407
305123
3.780
.135
911700
4.125
.135
➁ ➄
➁ ➄
18-7134
18-7407
303059
.500
.100
3852531
4.125
.135
➁➄
➁ ➄
18-7135
18-7408
310584
.750
.135
911718
1.060
.100
➁ ➄
18-7137
18-7409
318372
0.320
.155
911871
1.175
.100
➁➄
➁ ➄
18-7138
18-7413
318717
1.500
.210
303191
.301
.070
➁ ➄
➁ ➄
18-7139
18-7416
319085
1.080
.210
329380
.612
.103
➁ ➄
➁ ➄
18-7140
18-7417
320303
2.750
.135
329381
.362
.103
➁ ➄
➁ ➄
18-7141
18-7418
321117
.180
.065
326741
4.484
.139
➁ ➄
➁ ➄
18-7142
18-7440-1
322119
3.940
.135
301967
.799
.103
➁ ➄
18-7143
18-7457
322501, 331188
1.310
.100
319662
1.799
.103
➁ ➄
18-7144
18-7461
326849
4.250
.135
308458
1.612
.103
➁ ➄
18-7145
18-7475
333572
.250
.100
332584
.250
.065
➁ ➄
➁ ➄
18-7146
18-7477
554545
1.120
.100
909048
.480
.100
➁➄
➁ ➄
18-7150
18-7510
303598
.225
.115
321163
2.750
.070
➂ ➄
Pkg. of 1
Pkg. of 5
Pkg. of 10
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.
262 - 460
1988-89
18-7165
SCS
1
2.3 - 7.5
1986-90
18-7165
SCS
1
262 - 460
1988-89
18-7408
NP
2
2.3 - 7.5
1986-90
18-7409
SC
1
262 - 460
1988-89
18-7409
SC
1
2.3 - 7.5
1986-90
18-7143
MB
1
262 - 460
1988-89
18-7406
PL
1
262 - 460
1988-89
18-7168
BC
1
5.7 '90 574 AMPWS, ARPWS
262 - 460
1988-90
18-7162
UG
1
BC
Bell Crank Seal
MB
Manifold Block Seal
262 - 460
1988-90
18-7143
MB
1
UG
Upper Gimbal Seal
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
SC
Sleeve and Connector Seal
2.3 - 7.5
1986-90
18-7406
PL
1
2.3 - 7.5
1986-90
18-7408
NP
2
808
This product is priced per piece. To order priced per package, please add -9 to the part number.