Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Chevrolet Silverado 2500 HD Fuel & Emissions

What year is your
Free Same Day Shipping

2003 Chevrolet Silverado 2500 HD Fuel & Emissions

Filter Results
  • Notify When Available

    VIDEO

    96-04 GM Car, FS PU & Mid Size SUV; 06-09 Kodiak, Topkick Non Locking Twisting Gas Cap (AC Delco)

    Replaces 2003 Chevrolet Silverado 2500 HD Gas Engine Gas Cap ACDelco GT231

    10 reviews
    Brand: ACDelco
    - GT231

    • Gas Cap Style: Threaded
    • Gas Cap Style: Non-Locking
    $41.95
    Save 28%
    List $57.95 Save $16.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces 2003 Chevrolet Silverado 2500 HD Gas Engine Gas Cap ACDelco GT231

    VIDEO

    96-04 GM Car, FS PU & Mid Size SUV; 06-09 Kodiak, Topkick Non Locking Twisting Gas Cap (AC Delco)
    10 reviews
    Brand: ACDelco - GT231
    • Gas Cap Style: Threaded
    • Gas Cap Style: Non-Locking
    $41.95
    Save 28%
    List $57.95 Save $16.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available

    VIDEO

    97-05 GM Multifit Fuel Tank Sending Unit Lock Ring (AC Delco)

    Replaces 2003 Chevrolet Silverado 2500 HD Fuel Pump Lock Ring ACDelco TR14

    3 reviews
    Brand: ACDelco
    - TR14
    $36.95
    Save 54%
    List $80.95 Save $44.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces 2003 Chevrolet Silverado 2500 HD Fuel Pump Lock Ring ACDelco TR14

    VIDEO

    97-05 GM Multifit Fuel Tank Sending Unit Lock Ring (AC Delco)
    3 reviews
    Brand: ACDelco - TR14
    $36.95
    Save 54%
    List $80.95 Save $44.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available

    VIDEO

    Fuel Pump Module Assembly - Sparta

    Replaces Fuel Pump Module Assembly Sparta PN3031

    Brand: Sparta
    - PN3031

    $102.95
    Save 50%
    List $203.95 Save $101.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces Fuel Pump Module Assembly Sparta PN3031

    VIDEO

    Fuel Pump Module Assembly - Sparta
    Brand: Sparta - PN3031
    $102.95
    Save 50%
    List $203.95 Save $101.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available
    O2 Oxygen Sensor - Delphi

    Replaces O2 Oxygen Sensor Delphi ES20008

    Brand: Delphi
    - ES20008

    $79.95
    Save 45%
    List $145.95 Save $66.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces O2 Oxygen Sensor Delphi ES20008

    O2 Oxygen Sensor - Delphi
    Brand: Delphi - ES20008
    $79.95
    Save 45%
    List $145.95 Save $66.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available
    01-03 Silverado, Sierra 2500HD, 3500 Ext Cab w/6.0L, 8.1L (11 PC) SS Frt Fuel Line Kit w/Filter (DM)

    Replaces Fuel Line Repair Kit Dorman OE Solutions 919-841

    3 reviews
    Brand: Dorman OE Solutions
    - 919-841

    • Material: Stainless Steel
    • Includes: Fuel Return Lines
    • Includes: Mounting Bracket
    • Includes: Evap Lines
    • Includes: Filter
    • Includes: Fuel Feed Lines
    $364.95
    Save 34%
    List $555.95 Save $191.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces Fuel Line Repair Kit Dorman OE Solutions 919-841

    01-03 Silverado, Sierra 2500HD, 3500 Ext Cab w/6.0L, 8.1L (11 PC) SS Frt Fuel Line Kit w/Filter (DM)
    3 reviews
    Brand: Dorman OE Solutions - 919-841
    • Material: Stainless Steel
    • Includes: Fuel Return Lines
    • Includes: Mounting Bracket
    • Includes: Evap Lines
    • Includes: Filter
    • Includes: Fuel Feed Lines
    $364.95
    Save 34%
    List $555.95 Save $191.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available

    VIDEO

    SIERRA PICKUP 99-03 Pump Assembly; ID TCF w/Crimping Tool

    Replaces 2003 Chevrolet Silverado 2500 HD with Harness Code TCF Fuel Pump Module Assembly with Wire Stripper / Crimper TRQ FPA86516

    4 reviews
    Brand: TRQ
    - FPA86516

    • Kit Includes: (1) Wire Stripper / Crimper Tool
    • Kit Includes: (1) Fuel Pump & Sending Unit Module

    Out of Stock

    $ 83.95

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces 2003 Chevrolet Silverado 2500 HD with Harness Code TCF Fuel Pump Module Assembly with Wire Stripper / Crimper TRQ FPA86516

    VIDEO

    SIERRA PICKUP 99-03 Pump Assembly; ID TCF w/Crimping Tool
    4 reviews
    Brand: TRQ - FPA86516
    • Kit Includes: (1) Wire Stripper / Crimper Tool
    • Kit Includes: (1) Fuel Pump & Sending Unit Module

    Out of Stock

    $ 83.95

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available

    VIDEO

    99-04 Chevy Silverado, GMC Sierra Gas Tank Sending Unit (Bolts to Fuel Pump Module)

    Replaces Fuel Level Sensor TRQ FPA79798

    1 reviews
    Brand: TRQ
    - FPA79798

    • Includes: Updated Harness & Connector
    • Includes: Gasket

    Out of Stock

    $ 38.95

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces Fuel Level Sensor TRQ FPA79798

    VIDEO

    99-04 Chevy Silverado, GMC Sierra Gas Tank Sending Unit (Bolts to Fuel Pump Module)
    1 reviews
    Brand: TRQ - FPA79798
    • Includes: Updated Harness & Connector
    • Includes: Gasket

    Out of Stock

    $ 38.95

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available
    Fuel Pump Module Assembly - Sparta

    Replaces Fuel Pump Module Assembly Sparta PN3022

    Brand: Sparta
    - PN3022

    $79.95
    Save 50%
    List $160.95 Save $81.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces Fuel Pump Module Assembly Sparta PN3022

    Fuel Pump Module Assembly - Sparta
    Brand: Sparta - PN3022
    $79.95
    Save 50%
    List $160.95 Save $81.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available
    Fuel Lift Pump - Delphi

    Replaces 2003 Chevrolet Silverado 2500 HD V8 6.6L Auxiliary External Fuel Lift Pump Delphi HFP955

    Brand: Delphi
    - HFP955

    $72.95
    Save 47%
    List $138.95 Save $66.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces 2003 Chevrolet Silverado 2500 HD V8 6.6L Auxiliary External Fuel Lift Pump Delphi HFP955

    Fuel Lift Pump - Delphi
    Brand: Delphi - HFP955
    $72.95
    Save 47%
    List $138.95 Save $66.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

  • Notify When Available

    VIDEO

    Fuel Injector - Delphi

    Replaces Fuel Injector Delphi FJ10062

    1 reviews
    Brand: Delphi
    - FJ10062

    $102.95
    Save 46%
    List $188.95 Save $86.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Replaces Fuel Injector Delphi FJ10062

    VIDEO

    Fuel Injector - Delphi
    1 reviews
    Brand: Delphi - FJ10062
    $102.95
    Save 46%
    List $188.95 Save $86.00

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 2500 HD

1

...

2 3 4 5 6

...

6
Close



Chevrolet is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by Chevrolet 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.