2003 GMC Sierra 2500 HD: Mobile Phone Antenna

2003 GMC Sierra 2500 HD equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 CNG OHV GM Original Equipment
ROOF MOUNTED
MAST
GPS 1 VEH COMM SYS(UE1)

1 Per Vehicle