Sierra 18-7165-9 O-Ring (Priced Per Pkg Of 5)
Sierra replacement O-ring for Mercury, Mercruiser, Chrysler, Johnson/Evinrude, and OMC engines.
I.D.: 0.500" or 12.7mm
Width: 0.065" or 1.7mm
Package of 5
Interchangeable with:
Chrysler/Force/US...
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