18-7168 O-Rings for Mercruiser Alpha Gen II, 2-Pack
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 |
