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Metra 40-GM31 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1985-2023 vehicles from GMC, Chevrolet, Pontiac

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• Barb-less Antenna Adapter Kit
• select 1985-2023 vehicles from GMC, Chevrolet, Pontiac Vehicles
• For the addition of a CD changer or other external devices with built-in FM modulator

See compatible vehicles Learn more about the met-40gm31
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List price $38.99
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-49%

$19.99

 with warranty
4 payments of $5

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Description


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Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2016 Subaru Impreza is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

Model Number:

40-GM31

Weight:

0.50lbs

Internal SKU:

met-40gm31

Internal Product ID:

12838

Customer Ratings & Reviews


Metra 40-GM31 Antenna Adapter thumbnail image

5 star
50%
4 star
0%
3 star
0%
2 star
50%
1 star
0%



Durability
3
Value
3.5
Features
4
Design
3.5
Usability
4

Customer Reviews

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does its job!

worked just fine, did exactly what it was supposed to do!

By george on July 18, 2011

25 found this helpful


Not well built

When installing, end fell off. After soldering and re-crimping it worked OK.

By Clay on May 9, 2011

20 found this helpful



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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.