2023-2025 Genuine Original Factory GMC Sierra Full LED Projector Headlights LHD RHD Daul Bi-LED Headlamp Ballast (LED Light Control Unit / Module / Controller / ECU / Computer / Starter /Sation / Electronic Unit / Steuergerät /Inverter ) , LED Light Lamp Bulb , Front Light Lens Cover Broken , Replacement Sale

Part will fit : Driver side / Passenger side / Left / Light / Front

GMC Sierra : 2-door regular cab (1999–present)
3-door extended cab (1999–2000 1500 and 2500 only)
4-door extended cab (2000–2014)

L3B 2.7L Turbocharged I4
LV3 EcoTec3 4.3L V6 (2019–2021)
L82 EcoTec3 5.3L V8 (2019-2021)
L84 EcoTec3 5.3L V8
L87 EcoTec3 6.2L V8
LM2 Duramax Diesel 3.0L I6
LZ0 Duramax Diesel 3.0L I6

SLE , AT4 , 1500 , 2500 , Denali

If your 2023-2025 GMC Sierra OEM Full Dual LED Projector Headlight low beam or Headlamp high beam have problems, like light failed failure, flicker , dipped beam very dim dimmer, getting dimmer, not working, flickering blinking , goes one and off , keeps going out , flashlight , making noise , not bright enough , not focused , stopped working , turning yellow and the dashboard displayer have warning light , error code , go up and down , moving up and donw , pointing down , distance control defective , malfuncation ,turning pink , not turning off , gone ping , turned purple ,turned pink , not bright enoug h , flashing . warning light ,not working properly , keeps burning out , have any other fault issues, you only need to change or replace related original led parts like: ballast, led bulb, control unit module , reflector , or wire harness cable to repair and fix your led light is ok, no need to cost a lot of money to buy a whole brand new headlight assembly like the car dealer suggest.

Normally speaking, when your headlight have problem, check out the fuse first, if it’s ok, then replace the factory fit LED control unit box ballast is ok, because from our many years experience, when the headlight not work, 90% of the problem is on the ballast.