Molex Connectors (Plug & Receptacle) & Terminals (Pins & Sockets) We buy Connectors and Terminal which are made by Molex, AMP, or other equivalent. Code: "3191-2R, 3191-2P, 3191-3R, 3191-3P,3191-4R and 3191-4P" mean: R = Receptacle, P = Plug. I shall send samples If ok.