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Metra – Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac – Black $7.00 Save:$3.00(33%)
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Metra – Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac – Black

in Antennas & Adapters
Sku: 6423596
4.62 (46 Reviews)

$7.00 Save:$3.00(33%)

Available in stock

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Description
  • Compatible with most 1998-2008 GM vehicles
    For use with your existing model.
  • Antenna adapter
    Enables you to connect an aftermarket antenna to a GM factory-installed radio with a mini barbless connector.
  • Copper, polypropylene and steel materials
    Offer a durable design.
  • Copper shielding
    Promotes optimal performance.
Additional information
Compatibility

Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac
Color Category

Black
Product Type

Adapter
Manufacturer's Warranty - Labor

1 year
Product Name

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

Metra
Connector Type (End 1)

Proprietary
Color

Black
Connector Type (End 2)

Proprietary
Manufacturer's Warranty - Parts

1 year
Cable Type

Antenna
Model Number

40-GM21
UPC

086429007073
Reviews (46)
Ratings

4.6

46 Product Ratings
5
36
4
4
3
3
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1
1
1

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Customer Reviews (46)

  1. NickI86 –

    so far so good, havent had any problems with this individual product

  2. dooleydog –

    just another required part needed by the Best Buy Geek Squad tech to install my xm radio

  3. trav –

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

  4. copenhagen –

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

  5. kpcau1 –

    Technician explained how to use and it works just as he explained.

  6. Wader1 –

    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.

  7. dbee –

    Definitely need this to complete an audio install.

  8. Djaeg575 –

    Nice product it fits perfectly and easy to install

  9. Mike –

    Worked exactly as stated and very easy to install. Great product.

  10. xmradiofan –

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

  11. JayM –

    Not a very good connection. Radio stations that played perfect with factory radio now has static. But it’s the only adaptor that’ll fit for my car

  12. tonybonjovi –

    Installed by geek square…works as it should…good service

  13. sensitiveshopper456 –

    The antenna is not working ocrreclty after 3 weeks post installment. I will have to schedule an appointment to take the vehicle in for the problem to be researhced.

  14. Jemmons –

    this wonderful product makes the auxilary cable work very well.

  15. Deathdeelr –

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

  16. MrsZamarripa –

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

  17. Scox –

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

  18. Learner35 –

    The original factory antenna connection literally pulled out of the old radio as I removed it. This part is absolutely necessary as an extension as well as an adapter kit to the new radio installed.

  19. PlaneRoom –

    Tried it, didn’t work. Problem was it doesn’t work for my vehicle but will work gm or chevy vehicles. Unfortunately things like this don’t work for semis.

  20. Raylg –

    Works as it says. Great price for this product……

  21. rocco –

    easy to install on personal vehicle and has great reception.

  22. imgood1970 –

    THIS WAS SOLD TO US AND THE SALES ASSOCIATE NEEDS TO BE MORE KNOWLEDGEABLE. CAUSE IT WAS THE WRONG PART

  23. Tiger –

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

  24. 48Fan4evr –

    Perfect match for my new head unit. Metra always makes great products.

  25. robk81 –

    worked great!!! great price and good product thanks

  26. Jjbb –

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

  27. norm53142 –

    It works for my H3 trnazit blu installation since its made by GM

  28. Julz –

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

  29. bronxboy1947 –

    This mast makes the bluetooth option work a lot better

  30. Donomar –

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

  31. KDJR –

    This is a very nice antenna adapter. Very well made and works perfect.

  32. walcryst –

    i bought this for my car because i like to keep my factory radio. work great!

  33. Copstoy3 –

    I had to purchase this adapter so that the antenna could be hooked up.

  34. Bestbuy4life –

    Works great! Installed this with a Transit Adapter.

  35. Lulu –

    The installer added this antenna for my Sirius Radio

  36. Craftymom –

    Made the install of a Siriusxm receiver easy in my vehicle.

  37. LoveMyRadio –

    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

  38. Mirafone –

    Needed two different adapters to install a Sirius radio in a 1998 Corvette

  39. firebird67ho –

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

  40. DaveH –

    You will need this little component when you have your Sirius radio installed.

  41. Kazman338 –

    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

  42. pmw97ws6 –

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

  43. Otter2010 –

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

  44. Tlaw193 –

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

  45. Timothy –

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

  46. Nate –

    The technician did an excellent job installing this in my car for my XM radio. Thanks

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