Garage
Shop

Customer Ratings & Reviews


Metra 40-GM31 Antenna Adapter thumbnail image
View product page

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

Sort by:

Loading...

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


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1987 Ford Ranger

2003 MINI Cooper

2018 Mazda 6

1994 Ford Bronco

1997 Ford Taurus

1982 Cadillac Eldorado

2014 Audi A6

2018 Mazda CX-3

2019 MINI Cooper

2003 Ford Excursion

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

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.