1、OE Number: The referencing OE number of this radiator fan control relay is 1J0919506M, which is molded and designed depend on the original data. 2、Fitment: The radiator cooing fan relay switch is a replacement for A3 S3, replacement for Bora, please check the model of your car before ordering. 3、Function: Controls the engine's cooling fans. When the correct parameters are met, a temperature switch or the computer will activate the relay, which will allow power to the fans. 4、Fine Workmanship: The input voltage is 12V, 4 pin and 6 pin designs, professional manufactured, ensure stable performance and high reliability. 5、Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency.