Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2003 GMC C6500 Topkick Parts

What year is your
Free Same Day Shipping

2003 GMC C6500 Topkick

Filter Results
  • Notify When Available

    VIDEO

    Spark Plug Set

    Replaces 2003 GMC C6500 Topkick V8 8.1L 8 Piece Spark Plug Set TRQ SPA02136

    8 reviews
    Brand: TRQ - SPA02136

    • Spark Plug Type: Iridium
    • Quantity: 8 Piece
    • Kit Includes: (8) Spark Plugs
    $54.95
    Save 27%
    List $74.95 Save $20.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 GMC C6500 Topkick V8 8.1L 8 Piece Ignition Coil Set TRQ ICA61498

    38 reviews
    Brand: TRQ - ICA61498

    • Quantity: 8 Piece
    • Kit Includes: (8) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $179.95
    Save 22%
    List $231.95 Save $52.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available

    VIDEO

    Performance Ignition Coil Set

    Replaces 8 Piece Ignition Coil Set TRQ Performance ICA71261

    13 reviews
    Brand: TRQ Performance - ICA71261

    • Ignition Coil Style: Square Style
    • Quantity: 8 Piece
    • Kit Includes: (8) TRQ Performance Ignition Coils
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    $209.95
    Save 27%
    List $285.95 Save $76.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available

    VIDEO

    Mass Air Flow Sensor

    Replaces 2003 GMC C6500 Topkick V8 8.1L Mass Air Flow Sensor TRQ ESA48429

    Brand: TRQ - ESA48429

    $64.95
    Save 27%
    List $88.95 Save $24.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available
    Parking Brake Shoe Set

    Replaces 2003 GMC C6500 Topkick with 9 x 3 inch Driveline Mounted Shoes Rear Parking Brake Shoe Set TRQ BFA17043

    Brand: TRQ - BFA17043
    $44.95
    Save 24%
    List $58.95 Save $14.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available
    Fuel Pump Module Assembly

    Replaces 2003 GMC C6500 Topkick V8 8.1L with 25 or 53 Gallon Tank Fuel Pump Module Assembly TRQ FPA60489

    Brand: TRQ - FPA60489

    $104.95
    Save 22%
    List $134.95 Save $30.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available
    Fuel Injector Set

    Replaces 2003 GMC C6500 Topkick V8 8.1L 8 Piece Fuel Injector Set TRQ FIA60774

    Brand: TRQ - FIA60774

    • Quantity: 8 Piece
    • Kit Includes: (8) Fuel Injectors
    $229.95
    Save 29%
    List $325.95 Save $96.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available
    03-09 Chevy Kodiak, Topkick; 01-02 Express, Savana 1500-3500 Combination Switch

    Replaces 2003 GMC C6500 Topkick with Cruise Control Turn Signal Combination Lever TRQ SWA41812

    2 reviews
    Brand: TRQ - SWA41812

    $54.95
    Save 32%
    List $80.95 Save $26.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available
    Oil Pressure Switch

    Replaces 2003 GMC C6500 Topkick L6 7.8L Oil Pressure Switch TRQ SWA40926

    Brand: TRQ - SWA40926
    $33.95
    Save 29%
    List $47.95 Save $14.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

  • Notify When Available

    VIDEO

    99-07 Buick Cadillac Chevy GMC Hummer Isuzu Ignition Coil (Square Style)

    Replaces 2003 GMC C6500 Topkick V8 8.1L Ignition Coil TRQ ICA61757

    Brand: TRQ - ICA61757

    • Ignition Coil Style: Square Style
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $34.95
    Save 26%
    List $46.95 Save $12.00

    Guaranteed to Fit 2003 GMC C6500 Topkick

    Guaranteed to Fit 2003 GMC C6500 Topkick

1

...

1 2 3 4 5

...

31
Close



GMC is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by GMC or General Motors Company. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.