GM Genuine OEM 20850446 Digital Antenna - Radio/Mobile/GPS For General Motors

Need a factory replacement antenna for your GM vehicle?

This is the real deal—a genuine OEM General Motors part, number 20850446.

It's a digital antenna that handles radio, mobile, and GPS signals.

Also crosses to part number 15837587.

It comes brand new in the original packaging, exactly what you'd get from the dealer but without the dealer markup.

If your reception is fuzzy or your GPS is dropping out, this antenna might be the fix.

It's a simple swap.

Keep your GM's infotainment system working like new with this genuine OEM unit.