Headlight Cluster Switch/Dimmer 855941531B Quattroholics Sale! from 5900 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. 1980-84 4000, 4000S, 5+5, Coupe GT 1980-83 Original Quattro Audi Part # 855941531B Original Headlight Switch with dash dimmer SKU:855941531B Tweet