1OE Number: The referencing OE number of this trailer wiring cord keeper is SP56 463, which is molded and designed depend on the original data. 2Fitment: The trailer magnetic cable organizer is applicable for Travel Trailers 5th Wheels RV, the strong magnetic application allows for a safe, secure cord storage. 3Easy Attachment: This trailer wiring cord keeper can easily be attached to any RV pin box without the need for installation, making it an excellent choice for travel trailers and 5th wheels. 4Heavy Duty Magnet: Features a heavy duty magnet that securely attaches to the pin box, helps prevent cord damage such as cuts and frays from storing the cord inside the pin box. 5Animal Intrusion Prevention: Designed to store outside the pin box, this discourages animals from building nests, helps prevent wire cuts and fraying and securely keeps the cord off the ground.