Hella 8V0907399B 8V0 907 399 B Light Control Unit Module MAX ballast.
8V0907399B Control unit is responsible for LED lights of your car's headlights.
Originally fitted with Full LED headlamps, which means low and high beam are LED lights.
If you are having LED lights malfunctions, such as low or high beam doesn't work you will need to replace LED module.
There is no need to buy brand new headlight unit from dealer.
Information from original sticker: Light-Control-Module-Max made in germany HLR HLR-0W5.
Coding may be required once replaced with new part.
Hella part numbers:
- 202712-21AA - 20271221AA
- 202712-20AH - 20271220AH
Audi part numbers:
- 8V0 907 399 B
- 8V0 907 399B
- VW Arteon 2017, 2018, 2019
- VW Golf MK7 VII 7 2016, 2017, 2018, 2019
- VW Tiguan II AD1 2016, 2017, 2018, 2019
- VW Touran II 5T1 2015, 2016, 2017, 2018, 2019
Please note: this list is not full, module may fit other cars as well.