2021-23  F150 BLIS sensor.  These were removed from new tail lights that I customized.  Please see above part numbers.   These may need to be programmed via FORSCAN or a dealer!  Please do not buy if you are not fully aware of how to make work with your vehicle. 

This is not walmart or autozone, make sure you know what you need and what you're ordering.  Returns are free however refunds will have a 50% deduction on electronic parts, along with shipping fees each way.