GM Genuine Parts Radio Antenna Bases are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bases are the foundation of your vehicle's antenna, and are a GM-recommended replacement for your GM vehicle's original component. The radio antenna base performs several functions: provides the antenna cable connection interface, provides the grounding point for the antenna ground plane, and mechanically supports the mast and seal out water from the vehicle interior. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps seal out water from the vehicle
• Provides the antenna system ground
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

Product Specifications