The Sierra 18-5817 solenoid is a high-current electrical switch used on applicable Mercury outboard starter circuits and Mercruiser starter and power-trim circuits. It has a stepped mounting plate with a vertical post and angled bracket.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-5817?
Sierra 18-5817 is an aftermarket starter & power trim solenoid for Mercury Outboard & Mercruiser applications.
Which part numbers cross-reference Sierra 18-5817?
This listing cross-references Arco SW058, GLM 72400, Mallory 9-15112 and Mallory 9-15112-10. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-5817 fits my Mercury Outboard & Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
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