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Sierra 18-5913-1, Delco Style GM Starter, Permanent Magnet, Gear Reduction, with Offset Bolt Pattern
Sierra 18-5913-1, Delco Style 12v, Permanent Magnet, Gear Reduction GM Starter with Offset Bolt Pattern. This is a clockwise rotation boat starter with 11 teeth and fits V6 & V8 GM marine engines with two equal length bolts using an offset bolt pattern.