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 Silverado 1500 Engine & Engine Management

What year is your
Free Same Day Shipping

2003 Chevrolet Silverado 1500 Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Drive Belt Component Kit

    Replaces Serpentine Drive Belt Component Kit TRQ BPA04374

    2 reviews
    Brand: TRQ
    - BPA04374

    • Kit Includes: (1) Idler Pulley
    • Kit Includes: (1) Belt Tensioner
    • Kit Includes: (1) Belt
    $84.95
    Save 34%
    List $128.95 Save $44.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces Serpentine Drive Belt Component Kit TRQ BPA04374

    VIDEO

    Drive Belt Component Kit
    2 reviews
    Brand: TRQ - BPA04374
    • Kit Includes: (1) Idler Pulley
    • Kit Includes: (1) Belt Tensioner
    • Kit Includes: (1) Belt
    $84.95
    Save 34%
    List $128.95 Save $44.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Kit image

    Replaces 9 Piece Ignition Kit TRQ ICA65503

    12 reviews
    Brand: TRQ
    - ICA65503

    • Ignition Coil Style: Square Style
    • Kit Includes: (1) Spark Plug Wire Set
    • Quantity: 9 Piece
    • Kit Includes: (1) Ignition Coil Set
    $224.95
    Save 25%
    List $300.95 Save $76.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces 9 Piece Ignition Kit TRQ ICA65503

    VIDEO

    Kit image
    12 reviews
    Brand: TRQ - ICA65503
    • Ignition Coil Style: Square Style
    • Kit Includes: (1) Spark Plug Wire Set
    • Quantity: 9 Piece
    • Kit Includes: (1) Ignition Coil Set
    $224.95
    Save 25%
    List $300.95 Save $76.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Spark Plug Wire Set

    Replaces Spark Plug Wire Set TRQ IWA69028

    2 reviews
    Brand: TRQ
    - IWA69028

    $54.95
    Save 24%
    List $71.95 Save $17.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces Spark Plug Wire Set TRQ IWA69028

    VIDEO

    Spark Plug Wire Set
    2 reviews
    Brand: TRQ - IWA69028
    $54.95
    Save 24%
    List $71.95 Save $17.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Kit image

    Replaces 9 Piece Ignition Kit TRQ Performance ICA30510

    2 reviews
    Brand: TRQ Performance
    - ICA30510

    • Quantity: 9 Piece
    • Ignition Coil Color: Red
    • Ignition Coil Type: Performance
    • Kit Includes: (1) Performance Spark Plug Wire Set
    • Kit Includes: (8) Performance Ignition Coils
    $219.95
    Save 30%
    List $315.95 Save $96.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces 9 Piece Ignition Kit TRQ Performance ICA30510

    VIDEO

    Kit image
    2 reviews
    Brand: TRQ Performance - ICA30510
    • Quantity: 9 Piece
    • Ignition Coil Color: Red
    • Ignition Coil Type: Performance
    • Kit Includes: (1) Performance Spark Plug Wire Set
    • Kit Includes: (8) Performance Ignition Coils
    $219.95
    Save 30%
    List $315.95 Save $96.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Oil Pressure Switch

    Replaces 2003 Chevrolet Silverado 1500 V6 4.3L Oil Pressure Switch TRQ SWA40938

    3 reviews
    Brand: TRQ
    - SWA40938
    $39.95
    Save 26%
    List $53.95 Save $14.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces 2003 Chevrolet Silverado 1500 V6 4.3L Oil Pressure Switch TRQ SWA40938

    VIDEO

    Oil Pressure Switch
    3 reviews
    Brand: TRQ - SWA40938
    $39.95
    Save 26%
    List $53.95 Save $14.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Engine Knock Sensor

    Replaces Engine Knock Sensor TRQ ESA53623

    5 reviews
    Brand: TRQ
    - ESA53623

    $26.95
    Save 25%
    List $35.95 Save $9.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces Engine Knock Sensor TRQ ESA53623

    VIDEO

    Engine Knock Sensor
    5 reviews
    Brand: TRQ - ESA53623
    $26.95
    Save 25%
    List $35.95 Save $9.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    99-03 Cadillac Chevy GMC Hummer Isuzu 5.3L 6.0L Intake Manifold Gasket Set

    Replaces Intake Manifold Gasket Set TRQ SGA11381

    1 reviews
    Brand: TRQ
    - SGA11381

    $54.95
    Save 30%
    List $77.95 Save $23.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces Intake Manifold Gasket Set TRQ SGA11381

    VIDEO

    99-03 Cadillac Chevy GMC Hummer Isuzu 5.3L 6.0L Intake Manifold Gasket Set
    1 reviews
    Brand: TRQ - SGA11381
    $54.95
    Save 30%
    List $77.95 Save $23.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Engine Mount

    Replaces Engine Mount TRQ MTA70548

    Brand: TRQ
    - MTA70548
    $54.95
    Save 23%
    List $70.95 Save $16.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces Engine Mount TRQ MTA70548

    VIDEO

    Engine Mount
    Brand: TRQ - MTA70548
    $54.95
    Save 23%
    List $70.95 Save $16.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Pulley

    Replaces 2003 Chevrolet Silverado 1500 V6 4.3L Engine VIN X Idler Pulley TRQ BPA03864

    Brand: TRQ
    - BPA03864

    • Material: Plastic
    • Pulley Type: Grooved
    $25.95
    Save 30%
    List $36.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces 2003 Chevrolet Silverado 1500 V6 4.3L Engine VIN X Idler Pulley TRQ BPA03864

    VIDEO

    Pulley
    Brand: TRQ - BPA03864
    • Material: Plastic
    • Pulley Type: Grooved
    $25.95
    Save 30%
    List $36.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

  • Notify When Available

    VIDEO

    Air Intake Hose Adapter

    Replaces 2003 Chevrolet Silverado 1500 Air Intake Hose Adapter TRQ AIA93017

    Brand: TRQ
    - AIA93017
    $29.95
    Save 27%
    List $40.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Replaces 2003 Chevrolet Silverado 1500 Air Intake Hose Adapter TRQ AIA93017

    VIDEO

    Air Intake Hose Adapter
    Brand: TRQ - AIA93017
    $29.95
    Save 27%
    List $40.95 Save $11.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

    Guaranteed to Fit 2003 Chevrolet Silverado 1500

1

...

4 5 6 7 8

...

16
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
Select Your Vehicle

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

Year
Make
Model
Options
Drivetrain

This part does not fit a

.
Show parts that fit