Sierra Marine Parts Catalog: Bearings, Crankshaft/TimingCover Seals
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Std.
.010
Std.
Std.
.010
Std.
.010
.020
CAM BEARINGS
ROD BEARINGS
➀
Std.
➀
Std.
➀
Std.
1
➀
Part #
Size
MAIN BEARINGS
Rod bearings sold individually,
1 per rod
Per
Part #
Eng.
Per
Part #
Eng.
Size
Per
Part #
Eng.
Size
➀
Complete engine set
➀
.010
➀
Std.
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
—
-
-
-
-
-
-
ROD BEARING
MAIN BEARING
CAM BEARING
Model
Std.
.010
.020
Std.
.010
.020
Replaces:
3853528
Replaces
3852657, 912957
Replaces:
Replaces:
3853341
3853827
912989, 914817
Replaces: 3860095
One Piece Rear Main Seals
Timing Cover Seals
Two Piece Rear Main Seals
Replaces:
473424
Replaces:
913745
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
—
➀
Large Journal Crankshaft GM Engines
➁
For One Piece Seal (LH) Models Use 18-0519
➂
For One Piece Seal (LH) Models Use 18-1234
2 Piece Rear Main
Engine Model
Crankshaft Seal Conv. Rotation (LH)
Timing Cover Seal
OMC SEAL APPLICATION
I/O—OMCSTERNDRIVE/COBRA-InternalEngineSystem
BEARING APPLICATION