An ACDelco GM Original Equipment Digital Radio Antenna receives high quality digital radio signals and are a GM recommended replacement for your original digital radio antenna. An ACDelco GM OE Digital Radio Antenna has signal strength, clarity, and signal interference protection. These original equipment digital radio antennas have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. This digital radio antenna will give your vehicle's radio great reception and sound. They are made with durable materials to withstand harsh weather exposure and car washes and sealed to prevent corrosion.