×
Contact Us Live Chat or 1-888-737-9766
My Garage
My Account
Cart
Search Bar
Search by Part Number, Part Name, or Vehicle
Track Order Help Center

Communication System "Onstar" fit your 2003 Hummer H2

Currently shopping for
2003 Hummer H2
Change Vehicle
Vehicle Options
8 Cyl 6.0L MFI; 4-Speed Automatic Transmission, HMD, 4L60-E/4L65-E, Heavy Duty
Vehicle Options
8 Cyl 6.0L MFI; 4-Speed Automatic Transmission, HMD, 4L60-E/4L65-E, Heavy Duty
Categories Close X

Currently selected

Body Mounting, Air Conditioning, Audio/Entertainment

Other Categories

Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Engine
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transfer Case
Transmission - Automatic
Categories Close X

Currently selected

Body Mounting, Air Conditioning, Audio/Entertainment

Other Categories

Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Engine
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transfer Case
Transmission - Automatic
Parts Questions
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • CABLE, Radio Antenna
    Hummer 89046949
    89046949
    CABLE, MOBILE TELEPHONE ANTENNA
    $62.10 $34.62
    1
    Add To Cart
  • Hummer 88986326
    88986326
    CABLE, MOBILE TELEPHONE ANTENNA(1420MM LONG)
  • CABLE, Vehicle Navigation/Information
    Hummer 88986327
    88986327
    CABLE, NAVN ANTENNA COAXIAL(1365MM LONG)
    $19.60 $17.08
    1
    Add To Cart
  • 89046950
    CABLE, NAVN ANTENNA COAXIAL
    $19.60 $12.45
    1
    Add To Cart
Standard Parts
  • Hummer 11589012
    Hummer 11589012
    11589012
    BOLT, HEX WASHER HEAD,M4.2X1.41X25, 16.4 THREAD, 12.5 OUTSIDE DIAMETER, GM6010M STEEL, GMW4205(COMN INTERFACE MODULE BRACKET)(9.665)
    • Require Quantity: 02
    • Package Quantity: 10
    $4.14 $2.63
    10
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Hummer H2 parts. Parts like Communication System "Onstar" are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 6.0L. Model Code: H2 HUMMER.