Metra Electronics GMOS-04 Interface

$81.21 - $192.89

Mobile Site $81.21 See It
User Ratings
916 Reviews
$95.91 See It
$112.84 See It
Mobile Site $192.89 See It
Mobile Site User Ratings
294 Reviews
$83.64 See It
Mobile Site User Ratings
7013 Reviews
$98.99 See It
Mobile Site User Ratings
16746 Reviews
$99.99 See It
See All Sellers

Product Details


The GMOS-04 interface is designed to allow the user to replace the OEM radio with an aftermarket unit in amplified GM vehicles and retain full functionality of the OnStar system as well as all safety and warning chimes. The GMOS-04 will also retain the retained accessory power convenience features. This interface has the capability of adjusting chime and OnStar volumes as well. In addition to these features, the GMOS-04 now has the required outputs for the installation of a navigation radio.


Product Title: Metra Electronics GMOS-04 Interface

Manufacturer: Metra Electronics

Lowest Price: $81.21 from

See All Product Specs

More Images