Xenon Headlight Ballast Led Module Unit Compatible for Seat Leon MK4 IV KL1 KL8 2019-2023 Replaces B128620-B 90166374 5FJ941475

• Reference OE part number: B128620-B, 90166374, 5FJ941475.
• Vehicle fitment: this headlight ballast is compatible for Seat Leon MK4 IV KL1 KL8 2020-2023, compatible for Seat Leon ST Hatchack Estate, compatible for Seat Tarraco KN 2019 - , compatible for Cupra Formentor KM 2021-2023.
• Function: this headlight control unit provides the voltage needed to start the lamp and regulates the electrical current of the light once it is lit. A failed ballast will cause your bulb to burn.
• High performance: this headlight ballast is designed to meet or exceed standards of original factory headlight ballast. Manufactured from quality material, high strength and durability, which has a long service life.
• Easy installation: this headlight ballast is engineered to stringent specifications, it is sure to exact installation and function the same or even better than the original part. Plug-and-play with no need to program or code the car.

Description: Product name: Headlight Ballast Unit Assembly Material: aluminum OE part number: B128620-B, 90166374, 5FJ941475 Placement on vehicle: front, left Light source: Led Fitment: Compatible for Seat Leon MK4 IV KL1 KL8 2020-2023 Compatible for Seat Leon ST Hatchack Estate Compatible for Seat Tarraco KN 2019 - Compatible for Cupra Formentor KM 2021-2023 Package includes: 1 x Headlight Ballast Control Module