Car Radio Antenna Adapter ISO To DIN Cable/socket For FM AM Antenna Car Audio On-board Electronics Auto Acessories - AliExpress
Amazon.com: Universal New DIN(f) to ISO(m) Car Radio Stereo Antenna Adapter Aerial Adapter Connector DIN to ISO Plastic Shell Converts (5) : Electronics
VW group quadlock to ISO radio adapter harness, with antenna adapter, hardwire ignition - InCarTec