Seller notes

Sierra MP39190 Marine Polyester Ignition Switch Weatherproof Boot Nut 54-1070. Product Description Sierra Marine Weather Proof Boot Nut. Part number MP39190. Features Rotating rubber seal Seals out moisture and dust from lock cylinder Thread Size: 13/16″-16 Fits: All Sierra polyester ignition switches, 1996 & later About Sierra Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standa...

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