Skip Navigation

Metra 40-HD21 Antenna Adapter

Works with select 2009-up Honda vehicles

Item #: 12040HD21

In Stock

Be the first to write a review | 1 question - 1 answer

Your price: $7.99 Earn up to 8 Rewards points

Add to Cart

+ Add to wishlist + Email me alerts for this product

View all associated offers

Does it fit my car?

Select your car

Find what fits your car

Can't find your exact car?

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.

Metra 40-HD21 Antenna Adapter Reviews


Hands-on research

What's in the box?

Download owner's manual

  • Honda vehicle antenna adapter cable (2009-up)

Product Research

Features

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

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

1 question already asked

If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Krissy  Oct 19, 2015 ]  Staff

Searches related to the Metra 40-HD21 Antenna Adapter Works with select 2009-up Honda vehicles