Spare Interiors for Cast Iron Watertight 3-Pin Plug & Receptacle

Upgrade your marine electrical connections with these spare interiors for cast iron watertight 3-pin plugs and receptacles. Engineered for reliability in demanding shipboard environments, these internal components ensure a secure and watertight connection, preventing corrosion, shorts, and power loss. Whether you are replacing worn contacts, deteriorated gaskets, or damaged terminal hardware, this spare kit provides all necessary components to restore your plug or receptacle to optimal performance.

Compliant with IMPA 792866 and designed to fit standard cast iron housings, these spare interiors meet the rigorous demands of maritime use. The high-conductivity brass pins and sockets deliver efficient power transfer, while the neoprene gasket maintains an IP56 watertight seal against splash water and dust. Ideal for use on deck, in engine rooms, and at shore power connections, these parts are a cost-effective alternative to complete unit replacement.