What does 381520 do?
Erich Jaeger 381520 is Cap nut - for thread size PG21. In practice this Accessories, Socket, Plug, Seal is selected by connector family, electrical standard, voltage, pole count and the way it is mounted or connected in the vehicle. ISO 12098 - 13P version, ISO 7638-1, ISO 7638-2, ISO 12098 and 24V, 12V should be verified against the vehicle or trailer wiring diagram.

