①. According to the factory specifications, designed to match the car. ②. Equipped with various test machines to determine precise parameters for products. All items have undergone performance testing. ③. Constructed with material, featuring anti-rust and colorfast properties. ④. Aftermarket product. ⑤. Stable performance and reliability, suitable for replacing a broken unit. Condition: Manufacturer Part Number: 4G0907397Q Other Part Number: 4G0907397Q Interchange Part Number: 4G0907397Q Type: Headlight Ballast Mounting Style: Screw-On Lighting Technology: Xenon Fitment Type: Direct Replacement Fitment: For A3 8V 2012-2016 For A6 C7-4G 2014-2017 For Q3 8U 2014-2018 For TT FV_8S 2014-2018 For 2015- For Rapid 5J 2017- For SuperB 3V 2015- Colour: Silver Material: Metal Package Contents: 1x Headlight Ballast Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.