Main Content
product image

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

Rating 4.6 out of 5 stars with 46 reviews

See price in cart

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

Model: 40-GM21
SKU: 6423596
See price in cart
  • Works like new.
  • May have larger dents or scratches.
  • May be missing parts, accessories, or packaging.
Availability
Fulfillment OptionsPickup selected
This item is not eligible for pickup
Sold by Best Buy

More Buying Options

Open Box

About This Item

This Metra 40-GM21 adapter lets you connect an aftermarket antenna to your compatible 1998-2008 GM vehicle's factory-installed radio. Copper, polypropylene and steel materials and copper shielding provide durability.

About Open Box

This is an Open Box product, which means it's been opened and returned by another customer. Each open box item is unique, and we offer different discounts based on the . To see a product's condition before purchasing, visit us in store.
Big SavingsScore a major deal on a product that's a perfect fit for you and your budget.
Easy ReturnsWe offer the same Returns and Exchange Promise for Open Box products as our new-in-box products.
Sponsored

Reviews

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.

Customer Images

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.

Compare similar products

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
4.6(46)
See details

This Metra 40-GM21 adapter lets you connect an aftermarket antenna to your compatible 1998-2008 GM vehicle's factory-installed radio. Copper, polypropylene and steel materials and copper shielding provide durability.

Metra - Antenna Adapter for Select 1985-2013 Toyota Chevrolet GMC Hyundai Kia Buick Cadillac - Black
$7.49

This adapter allows you to adapt an aftermarket antenna to your OEM radio in select 1988 - 2006 GM vehicles.

Metra - Install Bay 1' Female USB 3.0 Type-A to Male USB 3.0 Type-A Adapter - Black
4.9(7)
$14.99

Ensure USB-enabled devices have a reliable connection with this Install Bay female USB 3.0 Type-A to male USB 3.0 Type-A adapter. The universal design enables a snug fit in multiple mounting options, while the oxygen-free copper conductor allows for maximum signal transfer.

SiriusXM - FM Direct Adapter for Satellite Radios - Black
$18.99

Enjoy virtually static-free sound with this SiriusXM FM direct adapter, which provides a high-performance wired audio connection to your vehicle's radio. You can still listen to your local AM and FM stations when your Satellite Radio is turned off. Compatible with most SiriusXM, XM and Sirius radio models with a PowerConnect Vehicle Kit.

Pros for Metra - Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac - Black
Compatibility, Fit, Installation, Antenna Adapter, PriceInstallation, Compatibility, Reception, Ease of use, FitThere were no pros for this productInstallation, Ease of use, Reception, Sound Quality, Signal Strength
Cons for Metra - Antenna Adapter for Select 1985-2013 Chevrolet GMC Hyundai Kia Buick Cadillac Pontiac - Black
There were no cons for this productStatic, SignalThere were no cons for this productStatic, Compatibility

Specs

No content
Sponsored

Similar products from outside of Best Buy

sponsored