This is the same exact part that you would receive if you were to order it directly from your local GM dealership, not a knockoff.
GM Genuine Parts 84108373 Black Trailer Brake Control Switch Assembly
The ACDelco GM Original Equipment Trailer Brake Control signals a trailer??s brake system when the driver presses on the brake pedal and adjusts how much braking power is needed to stop the trailer, and is a GM-recommended replacement for your vehicle’s original components. This trailer brake control has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.Brake Controller Material: ABS plastic.
GM-recommended replacement part for your GM vehicle??s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured with GM Original Equipment specification for fit, form, and function