What is this part called? 1950-79 Beetle 12V Bosch Style Black Signal Horn What does this part do on a VW? This signal horn is based on the original "Bosch" style horn which was a period accessory. It produces a low pitch sound to alert other road users, improving safety during driving, turning, and manoeuvring.  What are the technical details? - For 12V electrical system - Black metal housing - Bosch-style reproduction design - Universal mounting bracket for classic VW applications - Supplied as a single horn unit - Aftermarket replacement component Which VW models will this fit? - Beetle 1950-1979 - Karmann Ghia 1955-1974 - Volkswagen Type 3 1962-1973 - Volkswagen T2 Split Screen 1950-1966 What is the SKU for this part? SKU: 100010136 OE Reference: AC951203 SKU: 100010136