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  • Front. Metra - Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac - Black.

Metra - Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac - Black

Model:
40-GM21
SKU:
6423596

Customer reviews

Rating 4.6 out of 5 stars with 46 reviews

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Rating by feature

  • Value

    Rating 4.9 out of 5 stars

  • Quality

    Rating 5.0 out of 5 stars

  • Ease of Use

    Rating 5.0 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers enjoy this antenna adapter, citing its compatibility with various GM vehicles and its ease of installation. Positive feedback highlights its ability to improve Bluetooth and satellite radio functionality, while also praising its excellent fit and reasonable price. Many reviewers found it essential for completing audio installations. The adapter receives high marks for its performance and value.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 46 reviews
  • Pros mentioned:
    Compatibility

    Antenna adapter

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great. This adapter is needed when using XM onyx radio in certain GM vehicles

    I would recommend this to a friend
  • Pros mentioned:
    Antenna adapter

    Perfect Fit For Hooking Up Satellite Radio

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Just what you need when hooking up Satellite radio to your GM factory radio using the special Antenna adapter to hook up your Satellite radio

    I would recommend this to a friend
  • Pros mentioned:
    Compatibility

    Worked great

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great to connect at satellite radio through an fm modulator to an old GM radio without inputs.

    I would recommend this to a friend

  • works as intended

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked great for it's intended purpose. An absolute necessity when installing a aftermarket radio.

    I would recommend this to a friend
  • Pros mentioned:
    Antenna adapter

    Metra antenna adapter

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A must have for your aftermarket radio install. Keeps the radio signal strong

    I would recommend this to a friend

  • Worked 100% easy to install

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this adapter for my dad's 20021 Silverado w/ factory radio. This adapter allowed us to install an XM satellite radio in the truck and it worked very well but you need another adapter to make everything work perfectly. Check out this item as well https://www.bestbuy.com/site/metra-gm-factory-antenna-adapter-for-select-1988-2006-gm-vehicles-multi/3848082.p?skuId=3848082

    I would recommend this to a friend
  • Pros mentioned:
    Antenna adapter

    Works Perfect

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I purchased this antenna adapter as part of the install of my iSimple FM Transmitter. I had Geek Squad install the adapter and it works great. No complaints.

    I would recommend this to a friend
  • Pros mentioned:
    Fit

    Fit Perfect

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Used it to install a XM Radio FM hard wire kit in a 2002 Trans AM, Fit perfect and worked well.

    I would recommend this to a friend
  • Pros mentioned:
    Fit

    Perfect Solution

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I needed this to install my bluetooth module into my stock radio. Perfect fit and function.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Top notch product

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Metra products cant be beat! Great value for the price.

    I would recommend this to a friend
  • Pros mentioned:
    Antenna adapter

    great for truck

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    bought this product for the installation of the bluetooth for my 06 silverado. works great

    I would recommend this to a friend
  • Pros mentioned:
    Installation

    great antenna adapter

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Was easy 2 install in my car and thanks to the audio installer for helping me out

    I would recommend this to a friend
  • Pros mentioned:
    Compatibility

    I needed this adapter

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I needed this adapter to get the job done being that I have a GMC

    I would recommend this to a friend

  • Works great!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It does it's purpose. It works great with my new car speaker phone.

    I would recommend this to a friend
  • Pros mentioned:
    Fit

    Works!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Adapter to changes to gm fits great!! Radio is still clear

    I would recommend this to a friend
  • Pros mentioned:
    Installation

    just what my system needed

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    the part was exactly what my sytem needed and easily installed.

    I would recommend this to a friend
  • Pros mentioned:
    Antenna adapter

    Good Mast

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This mast makes the bluetooth option work a lot better

    I would recommend this to a friend
  • Pros mentioned:
    Fit

    Good

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Exact fit. And length. U will need for the new radio.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Works

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does everything it's supposed to do. Fairly priced.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    great

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    worked great!!! great price and good product thanks

    I would recommend this to a friend
Page 1, Showing 1-20 of 46 reviews
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