Sierra Marine 18-3420 Water Pump Base
Sierra 18-3420 Replacement for Mercruiser # 46-44292A3. This gear case has no pre-load pin on drive shaft and has retainer under lower water pump base which holds down tapered roller bearing.
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | 4644292A3 46-44292A3 46-44292Q03 46-44292T1 12320 9-43308
|
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