GM Original Equipment™ Rectangle Radio Antenna Base (25841610) by ACDelco®. Get the GM quality you know and trust with ACDelco GM Original Equipment Electronics. Stay with the parts brand your vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Electronics are engineered for virtually every make and model of GM car, light duty truck, and sport utility vehicle. From key fobs, tire pressure sensors and components, antennas and components, amplifiers, and cables, ACDelco has your vehicle’s electronic equipment needs covered.