This headlight dimmer switch from Standard Motor Products is a reliable replacement part that will ensure smooth operation of your vehicle's lighting system. Designed to meet or exceed OEM specifications, it is compatible with BWD DS122 and has a vintage touch to it. The DS-77 switch is made in the United States and comes with a California Prop 65 warning due to the presence of a chemical known to cause cancer. It is suitable for use in a wide range of car and truck models and belongs to the Switches & Controls, Interior Parts & Accessories, Car & Truck Parts & Accessories categories on eBay Motors. Buy with confidence and enjoy hassle-free installation and performance.