Trailer plugs and sockets in 7 pin flat, 7 pin round and 12 pin styles, with metal and plastic options, from West Coast Trailer Parts in Perth. Choose plugs, sockets, mounting brackets and sockets fitted with Anderson plugs for trailers, caravans and camper setups. If your vehicle and trailer use different connectors, our trailer adaptors bridge the gap. Not sure which plug you need? Call (08) 9274 2429.