SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Chevrolet Express 2500 Van Engine & Engine Management

What year is your
Free Same Day Shipping

2003 Chevrolet Express 2500 Van Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Engine Knock Sensor - Delphi

    Replaces Engine Knock Sensor Delphi AS10017

    Brand: Delphi
    - AS10017

    $53.95
    Save 51%
    List $110.95 Save $57.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Engine Knock Sensor Delphi AS10017

    VIDEO

    Engine Knock Sensor - Delphi
    Brand: Delphi - AS10017
    $53.95
    Save 51%
    List $110.95 Save $57.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available
    Distributor Rotor - Delphi

    Replaces 2003 Chevrolet Express 2500 Van V6 4.3L Distributor Rotor Delphi DC20008

    1 reviews
    Brand: Delphi
    - DC20008

    $20.95
    Save 49%
    List $40.95 Save $20.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces 2003 Chevrolet Express 2500 Van V6 4.3L Distributor Rotor Delphi DC20008

    Distributor Rotor - Delphi
    1 reviews
    Brand: Delphi - DC20008
    $20.95
    Save 49%
    List $40.95 Save $20.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available

    VIDEO

    Alternator - Tonsa

    Replaces Alternator ACDelco 335-1086

    1 reviews
    Brand: ACDelco
    - 335-1086

    $188.95
    Save 48%
    List $365.95 Save $177.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Alternator ACDelco 335-1086

    VIDEO

    Alternator - Tonsa
    1 reviews
    Brand: ACDelco - 335-1086
    $188.95
    Save 48%
    List $365.95 Save $177.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available

    VIDEO

    Ignition Coil Wire Harness

    Replaces Ignition Coil Wire Harness TRQ ICA76014

    Brand: TRQ
    - ICA76014

    Out of Stock

    $ 19.95

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Ignition Coil Wire Harness TRQ ICA76014

    VIDEO

    Ignition Coil Wire Harness
    Brand: TRQ - ICA76014

    Out of Stock

    $ 19.95

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available
    Kit image

    Replaces 16 Piece Ignition Coil Set TRQ ICA76872

    Brand: TRQ
    - ICA76872

    • Ignition Coil Color: Red
    • Quantity: 16 Piece
    • Kit Includes: (8) Ignition Coils
    • Kit Includes: (8) Ignition Coil Wire Harnesses
    • Ignition Coil Type: Direct Replacement

    Out of Stock

    $ 211.95

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces 16 Piece Ignition Coil Set TRQ ICA76872

    Kit image
    Brand: TRQ - ICA76872
    • Ignition Coil Color: Red
    • Quantity: 16 Piece
    • Kit Includes: (8) Ignition Coils
    • Kit Includes: (8) Ignition Coil Wire Harnesses
    • Ignition Coil Type: Direct Replacement

    Out of Stock

    $ 211.95

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available
    Picture coming soon

    Replaces Engine Oil Pump ACDelco 12710303

    1 reviews
    Brand: ACDelco
    - 12710303
    $128.95
    Save 49%
    List $251.95 Save $123.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Engine Oil Pump ACDelco 12710303

    Picture coming soon
    1 reviews
    Brand: ACDelco - 12710303
    $128.95
    Save 49%
    List $251.95 Save $123.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available
    Picture coming soon

    Replaces 2003 Chevrolet Express 2500 Van CODE 5609,AAAG,AAB6 Serpentine Belt Idler Pulley ACDelco 12669569

    Brand: ACDelco
    - 12669569

    • Pulley Type: Smooth
    $63.95
    Save 51%
    List $130.95 Save $67.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces 2003 Chevrolet Express 2500 Van CODE 5609,AAAG,AAB6 Serpentine Belt Idler Pulley ACDelco 12669569

    Picture coming soon
    Brand: ACDelco - 12669569
    • Pulley Type: Smooth
    $63.95
    Save 51%
    List $130.95 Save $67.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available

    VIDEO

    AC DELCO Knock Sensor 213-3521 Pair

    Replaces 2 Piece Engine Knock Sensor Set ACDelco ACEEK00030

    4 reviews
    Brand: ACDelco
    - ACEEK00030

    • Quantity: 2 Piece
    • Kit Includes: (2) Engine Knock Sensors
    $162.95
    Save 36%
    List $254.95 Save $92.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces 2 Piece Engine Knock Sensor Set ACDelco ACEEK00030

    VIDEO

    AC DELCO Knock Sensor 213-3521 Pair
    4 reviews
    Brand: ACDelco - ACEEK00030
    • Quantity: 2 Piece
    • Kit Includes: (2) Engine Knock Sensors
    $162.95
    Save 36%
    List $254.95 Save $92.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available

    VIDEO

    99-07 Buick Cadillac Chvy GMC Hummer Isuzu w/4.8L, 5.3L, 6.0L Ignition Coil (w/ID 19005218) (Delphi)

    Replaces Ignition Coil Delphi GN10119

    Brand: Delphi
    - GN10119

    $58.95
    Save 42%
    List $100.95 Save $42.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Ignition Coil Delphi GN10119

    VIDEO

    99-07 Buick Cadillac Chvy GMC Hummer Isuzu w/4.8L, 5.3L, 6.0L Ignition Coil (w/ID 19005218) (Delphi)
    Brand: Delphi - GN10119
    $58.95
    Save 42%
    List $100.95 Save $42.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

  • Notify When Available

    VIDEO

    AC DELCO Spark Plug Wire Heat Shield 8006

    Replaces Spark Plug Wire Heat Shield ACDelco 8006

    Brand: ACDelco
    - 8006
    $26.95
    Save 29%
    List $37.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Replaces Spark Plug Wire Heat Shield ACDelco 8006

    VIDEO

    AC DELCO Spark Plug Wire Heat Shield 8006
    Brand: ACDelco - 8006
    $26.95
    Save 29%
    List $37.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

    Guaranteed to Fit 2003 Chevrolet Express 2500 Van

1

...

11 12 13 14 15

...

17
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.