Sierra Marine Parts Catalog: OMC Sterndrive Cobra
ROD BEARINGS
Part #
Size
Std.
.010
Std.
Std.
CAM BEARINGS
.010
Std.
Per
MAIN BEARINGS
Part #
Eng.
.010
1 ➀
.020
Per
Per
Part #
Eng. Size
Part #
Eng. Size
➀ Std.
➀ .010
Rod bearings sold individually,
1 per rod
➀ Std.
➀ Std.
➀ Complete engine set
➀ Std.
BEARING APPLICATION
ROD BEARING
MAIN BEARING
CAM BEARING
Model
Std.
.010
.020
Std.
.010
.020
OMC
GM
2.5L/153 CID
18-1330
-
-
3.0L/181 CID
-
I-6/230 CID
18-1330
-
-
-
-
-
I-6/250 CID
-
-
-
-
4.3L/V-6
-
-
-
-
5.0L/305 CID
-
-
-
5.7L/350 CID
-
-
-
7.4L/454 CID
-
-
-
FORD
5.0L/302 CID
--
-
-
-
-
-
-
Timing Cover Seals
One Piece Rear Main Seals
Replaces:
Replaces:
Replaces:
3853341
3853827
3853528
Two Piece Rear Main Seals
912989, 914817
Replaces:
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
➁
3.0L/181 CID
➁
I-6/230CID
➁
I-6/250CID
➁
4.3L/V-6
➁
5.0L/305 CID
➀
5.7L/350 CID
➀
7.4L/454 CID
➂
FORD
5.0L/302 CID
5.8L/351 CID
--
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