Metra 40-HD21 Antenna Adapter

Works with select 2009-up Honda vehicles

for matching vehicles with all car stereos $119+ for matching vehicles with all car stereos $119+
  • Metra 40-HD21 Antenna Adapter


  • Metra 40-HD21 Antenna Adapter


This antenna adapter lets you connect an aftermarket antenna cable to the factory radio in your Honda. The adapter has a male Honda plug on one end and a standard female Motorola jack on the other. Warranty: 60 days.

You'll also need a second Honda adapter if you are connecting an FM modulator to your factory radio.

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Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

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  • Honda vehicle antenna adapter cable (2009-up)

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Compatibility: The Metra AntennaWorks Honda vehicle antenna adapter cable (40-HD21) converts the Honda factory radio antenna plug to a standard motorloa plug for installation of an aftermarket antenna in a 2009-up Honda vehicle.

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