Feature:1. Fitment: This emergency warning switch has been specifically designed for A6 C5 19972004, ensuring a perfect match and compatibility so you don't have to worry about mismatches.2. OE Part Numbers: Replacing manufacturer part numbers for reference are 4B0941509C, 4B0941509D, 4B0941509K, 4B0941509CB98, 4B0941509D5PR, 4B0941509DB98, 4B0941509KB98.3. Reliable Safety: This switch ensures your vehicle's warning system is working at its peak performance, enhancing your safety and others on the road.4. High Strength Material: Manufactured from superior ABS materials, this warning switch offers exceptional durability and stable performance, functioning optimally even after long term use.5. Perfect Replacement: This hazard emergency warning switch can perfectly replace your old or damaged one, keeping your car in optimum condition and ensuring smooth operation.Specification:Item Type: Emergency Warning SwitchMaterial: ABSOE Numbers: 4B0941509C, 4B0941509D, 4B0941509K, 4B0941509CB98, 4B0941509D5PR, 4B0941509DB98, 4B0941509KB98Fitment: Replacement for A6 C5 1997 to 2004.Package List:1 x Emergency Warning SwitchNote:1. Please carefully verify the OEM number and Fitment model before making a purchase.2. It is strongly recommended to have the installation done by a professional mechanic.