SIERRA Seals & O-rings 18-7168 O-Rings For Mercruiser Alpha Gen II, 2-Pack

Original price was: $6.29.Current price is: $4.53.

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Sierra Marine engine parts are designed to meet or exceed the OEM part they are intended to replace and they are backed by the SeaStar Solutions Two-Year Warranty—one of the best in the business.

We offer a variety of O-rings, oil seals and seal kits for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.

How to find the O-ring you need

Many of the O-rings we offer fit multiple applications. Notice in the list below that in addition to Johnson/Evinrude and OMC applications, there are a variety of other engine applications for the O-rings offered here. O-rings can also be selected by inside diameter and width, which also appear in the table.

The Sierra Engine Parts Selector

If you do not see the O-ring (or other engine part) you need, please visit the Sierra Engine Parts Selector, where you can search by engine make, model, serial number or year of manufacture.

Sierra #	Application	Replaces OEM Part #	I.D.	Width	Qty.	Model
18-7168- 9	GLM	80120	0.370″	0.065″	2	6368104
18-7168- 9	Johnson/Evinrude Outboard	202893	0.370″	0.065″	2	6368104
18-7168- 9	Mallory	9-76550	0.370″	0.065″	2	6368104
18 -7168-9	Mercruiser Stern Drive	25-801334436, 25- 26834	0.370″	0.065″	2	6368104
18-7168-9	Mercury Marine	25-20587, 25-48171	0.370″	0.065″	2	6368104
18- 7168-9	OMC Stern Drive	202893	0.370″	0.065″	2	6368104
18-7168- 9	Volvo Penta	3852033	0.370″	0.065″	2	6368104