1、Applicable Model: Headlight washer nozzle is replacement for A4 B5(8D); for A6 4B(C5), please confirm whether your model is applicable before buying. 2、OE Number: The part numbers for reference are 45 0066, 4B0955102, 8D0955101, 8D0955102, please confirm whether it is consistent with the OE you need. 3、Effective Cleaning: The headlight cleaning nozzle is the core component of the vehicle headlight cleaning system, which ensures that the headlight lens is clean. 4、Improved Safety: In the case of bad weather, dust or insect residues, the lighting effect of the headlight may be affected, and washer nozzle can clean the headlight lens in time to improve driving safety. 5、Direct Replace: Perfectly fit with your car, match the original car, meet or exceed OEM standards, installation without change, convenient and quick to save time,