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Sierra Marine Parts Catalog: OMC Sterndrive Cobra

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18-1402
18-1400
18-1401
HYDRAULIC LIFTER
HYDRAULIC LIFTER
Replaces: 3854033, 502036
HYDRAULIC LIFTER
GM 2.5L/120
Replaces: 3856127
Replaces: 3853847, 985316
GM 4.3L/V-6 Late/5.0L/5.7L
Ford 5.0L & 5.8L
For: OMC & Volvo 3.0L/181 CID
ALL PISTONS
ARE SUPPLIED COMPLETE WITH PISTON RINGS AND WRIST PIN.
RINGS (Cont.)
REPLACES
STD
OMC / VOLVO
18-3944
370409
.020
18-3939
3854252
18-3939
914556
.030
18-3938
*14089026
18-3938
328516
18-3938
914557
PISTONS
RINGS
18-4161
3853340
REPLACES
914816
STD
OMC / VOLVO
18-4173
*14077948
18-3937
*14089025
18-4173
3911020
18-3937
328506
.020
18-4160
3853477, 915236
18-3937
3853960
.030
18-3937
914555
18-4164
*14077949
18-3937
3853268
3911023
18-3937
985083, 986336
* OMC References GM Number
18-3940
328536
PISTON/RING APPLICATION (Cont.)
PISTON/ RING APPLICATION
PISTONS
RINGS
Qty.
Per
Model
Std.
.020
.030
Std.
.020
.030
Eng.
OMC
GM
2.5L/153 CID
18-4180
18-4183
-
18-3942
-
-
4
3.0L/181 CID
18-4161
18-4160
18-4191
18-3937
18-3939
18-3938
4
I-6/250 CID
-
-
-
18-3942
-
-
6
4.3L/V-6
18-4173
18-4188
18-4164
18-3937
18-3939
18-3938
6
5.0L/305 CID
-
-
18-4178
18-3944
-
-
8
5.7L/350 CID
18-4173
18-4188
18-4164
18-3937
18-3939
18-3938
8
7.4L/454 CID
18-4171
18-4189
18-4172
18-3940
18-3950
18-3941
8
FORD
5.0L/302 CID
-
-
-
18-3937
18-3939
18-3938
8
781