Fill Tube Lower Unit Mercury | Sierra 18-99536
Fill Tube Lower Unit Mercury | Sierra 18-99536
Lower unit adapter tube for Mercruiser Bravo sterndrives and Mercury Verado outboards used with CDI 551-33-1 gearcase filler mkaes filling the gearcase easier.
- Adapter for 551-33-1 gearcase filler
- Perfect for Bravo and Verado lower units
- Replaces CDI Electronics 551-334B
