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Sierra Marine Parts Catalog: OMC Sterndrive Cobra

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ROD BEARINGS
Part #
Size
18-1308
Std.
18-1309
.010
18-1327
Std.
18-1329
Std.
CAM BEARINGS
18-1333
.010
18-1334
Std.
Per
MAIN BEARINGS
Part #
Eng.
18-1337
.010
18-1339
1 ➀
18-1341
.020
Per
Per
Part #
Eng. Size
Part #
Eng. Size
18-1300
18-1316
Std.
.010
Rod bearings sold individually,
1 per rod
18-1311
18-1317
Std.
Std.
Complete engine set
18-1315
Std.
BEARING APPLICATION
ROD BEARING
MAIN BEARING
CAM BEARING
Model
Std.
.010
.020
Std.
.010
.020
OMC
GM
2.5L/153 CID
18-1329
18-1330
-
18-1317
18-1316
-
18-1339
3.0L/181 CID
18-1308
18-1309
18-1341
18-1317
18-1316
-
18-1339
I-6/230 CID
18-1329
18-1330
-
-
-
-
-
I-6/250 CID
18-1308
18-1309
18-1341
-
-
-
-
4.3L/V-6
18-1327
18-1337
-
18-1311
-
-
-
5.0L/305 CID
18-1308
18-1309
18-1341
18-1300
-
-
-
5.7L/350 CID
18-1308
18-1309
18-1341
18-1300
-
-
-
7.4L/454 CID
18-1334
18-1333
18-1332
18-1315
-
-
-
FORD
5.0L/302 CID
--
-
-
-
-
-
-
Timing Cover Seals
One Piece Rear Main Seals
18-1213
18-1230
18-1234
Replaces:
Replaces:
Replaces:
3853341
3853827
3853528
Two Piece Rear Main Seals
912989, 914817
18-1211
18-0519
18-0528
Replaces:
18-1233
Replaces
Replaces:
473424
913745
3852657, 912957
Replaces: 3860095
OMC SEAL APPLICATION
2 Piece Rear Main
Engine Model
Crankshaft Seal Conv. Rotation (LH)
Timing Cover Seal
GM
2.5L/153 CID
18-1211
18-1213
3.0L/181 CID
18-1211
18-1213
I-6/230CID
18-1211
18-1213
I-6/250CID
18-1211
18-1213
4.3L/V-6
18-1211
18-1213
5.0L/305 CID
18-1211
18-1213
5.7L/350 CID
18-1211
18-1213
7.4L/454 CID
18-1233
FORD
5.0L/302 CID
18-0528
5.8L/351 CID
--
18-1230
782
Large Journal Crankshaft GM EnginesFor One Piece Seal (LH) Models Use 18-0519For One Piece Seal (LH) Models Use 18-1234