Correct mounting nuts used to hold the radio in place on most GM applications. Fits radios that use 7/16"-28 thread x 1/8" thick flat style hex nuts.
2001 GMC Truck Parts - Radio and Stereo Parts
OER Parts offers a wide selection of Radio and Stereo Parts for your 2001 GMC Truck. OER Parts offers 2001 GMC Truck Knobs, 2001 GMC Truck Lenses, 2001 GMC Truck Radio Faceplates.