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This is a factory replacement GPS antenna for General Motors vehicles, sold under the ACDelco GM Original Equipment line (part 22921479). It is a direct-fit OE part, so it matches the connector, mounting and signal behavior of the antenna that came on the car, which is the main reason to choose it over a universal aftermarket puck. It suits owners restoring a factory navigation or OnStar setup after a failure, a collision repair or a used-car purchase with missing hardware. Aftermarket antennas are cheaper and often work, but fit, cable length and connector type vary, and many owners report weaker or intermittent satellite lock with generic units.
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Lowest price we've seen: $71.55 on Nov 10 at Walmart. Tracked across 1 store since Nov 10.
Owners who bought this as a factory replacement generally report it restored navigation and satellite lock with no wiring changes. Complaints center on fitment confusion across GM models and the lack of included instructions.
This is a GPS navigation antenna for General Motors vehicles. It is an electronic antenna for a car's GPS navigation system, sold as a single unit.
It is a GM Genuine Parts component, designed, engineered, and tested to rigorous standards and backed by General Motors. These are true OE parts, either installed during production or validated by GM for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
