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Metra - Antenna Adapter for Most 1998-2008 GM Vehicles - Black
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.
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What's Included

  • Metra Antenna Adapter for Most 1998-2008 GM Vehicles

Ratings & Reviews

Overall Customer Rating:
94% of customers would recommend this product to a friend (30 out of 32)

Product Features

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.

Overall Customer Rating

4.5 (32 Reviews)

Product Features Mentioned In Customer Reviews


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