Headlight Control Unit FL3Z 13C170 A Replacement for Ford Super Duty 2017 to 2020 Models Features： 1、Fitment: Headlight LED control module is replacement for Ford 2015‑2020, replacement for Ford Super Duty 2017‑2020, replacement for Ford Super Duty 2017‑2020. 2、OE Number: The referencing OE number of the control module are FL3413C170A, FL3Z 13C170 A, FL3Z 13C170 B. Please double check the OE part number of your item before ordering. 3、Function: The main purpose of the headlight LED control unit module is to convert voltage, stabilize current and protect against pulse surges to ensure that the headlight works in a safe environment. 4、Features: Plug and play, no programming or coding of the car, fits left or right side headlights, direct replacement and easy install. 5、Performance: Headlight LED control unit is made of ABS material, which is heat dissipation, vibration resistance, wear resistance, high temperature resistance, oxidation resistance, sturdy and durable. Specification： Item Type: Headlight LED Control Unit Module Material: ABS Installation Type: Direct replacement, plug and play, no coding or programming Installation Position: Left or right headlight Application: The headlight LED control unit module directly replaces your existing parts and is designed to meet or exceed OEM specifications with plug and play replacement without coding or programming Replacement Part Number: FL3413C170A, FL3Z 13C170 A, FL3Z 13C170 B Applicable Models: Replacement for Ford 2015-2020 Replacement for Ford Super Duty 2017-2020 Replacement for Ford Super Duty 2017-2020 Replacement for Ford Expedition 2018-2020 Package List： 1 x Headlight LED Control Unit Module