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Sierra Part #18-5851
For Mercury Marine engine
Sierra shrouded relay for Mercury Marine engine. Sierra Part #18-5851.
5.7L Black Scorpion (2006-2007)
350 Scorpion (2008- Current)
6.2L Black Scorpion (2006-2007)
Scorpion 377 (2008-Current) Models equipped with starter relay
OEM Part Numbers:
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