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Any idea as to where to find the nylon washer (for proper sealing) for the lower unit vent and fill holes prior to tightening the screws?
Can’t find the part number of this washer.
Thanks in advance.
OEM 307552
Sierra Marine 18-2945-9
Consider 307551 Plug with Gasket assy (Sierra 18-4255)
NAPA has them under part number 18-4248.