Sierra Marine 18-9803 Spanner Nut Wrench
Sierra 18-9803 spanner nut wrench replaces Mercruiser 91-17256. This tool is designed to remove and install the upper gearcase drive shaft assembly to service the bearing or seal assemblies. Fits the MC-1, R, MR, Blackhawk, All Bravo's and all Alpha's.
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | 9136235 9117256
|
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