The New Premium Dimmer Switch Standard DS7 is an aftermarket product made in Taiwan. It is a direct replacement for the original dimmer switch in select Chevrolet and GM vehicles. The switch features a good surface finish and is designed to fit seamlessly into the vehicle's electrical lighting and body system. With interchange part numbers such as DS115, HX-4056, UDS419, D803, DS7, DS72, and 3022, this dimmer switch is a reliable and compatible option for controlling the lighting in your vehicle.