This Mazda 6 MK2 DSC off and headlight regulator switch is a genuine replacement part for your vehicle. It is designed to fit perfectly in the centre console of your car and is compatible with the GS8T 66 170B reference OE/OEM number. The switch assembly is made from high-quality materials and features a dustproof design, ensuring that it is durable and long-lasting. The switch is specifically designed to control the headlights of your vehicle and is easy to instal. It is a great replacement part for your car's interior parts and accessories, and is sure to get your vehicle back on the road.