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 GMC Sierra 1500 Fuel & Emissions

What year is your
Free Same Day Shipping

2003 GMC Sierra 1500 Fuel & Emissions

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61320

    50 reviews
    Brand: TRQ
    - OSA61320

    $47.95
    Save 14%
    List $55.95 Save $8.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces O2 Oxygen Sensor TRQ OSA61320

    VIDEO

    O2 Oxygen Sensor
    50 reviews
    Brand: TRQ - OSA61320
    $47.95
    Save 14%
    List $55.95 Save $8.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

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

    Replaces 2003 GMC Sierra 1500 Fuel Level Sensor TRQ FPA79798

    1 reviews
    Brand: TRQ
    - FPA79798

    • Includes: Updated Harness & Connector
    • Includes: Gasket
    $38.95
    Save 15%
    List $45.95 Save $7.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces 2003 GMC Sierra 1500 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
    $38.95
    Save 15%
    List $45.95 Save $7.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 GMC Sierra 1500 V8 5.3L Upstream 2 Piece O2 Oxygen Sensor Set TRQ OSA61642

    10 reviews
    Brand: TRQ
    - OSA61642

    • Quantity: 2 Piece
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $74.95
    Save 16%
    List $88.95 Save $14.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces 2003 GMC Sierra 1500 V8 5.3L Upstream 2 Piece O2 Oxygen Sensor Set TRQ OSA61642

    VIDEO

    Kit image
    10 reviews
    Brand: TRQ - OSA61642
    • Quantity: 2 Piece
    • Kit Includes: (2) Upstream O2 Oxygen Sensors
    $74.95
    Save 16%
    List $88.95 Save $14.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Fuel Tank Strap

    Replaces 2003 GMC Sierra 1500 with 24.125" & 31.50" Straps Fuel Tank Strap TRQ FSA70529

    1 reviews
    Brand: TRQ
    - FSA70529

    $46.95
    Save 33%
    List $69.95 Save $23.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces 2003 GMC Sierra 1500 with 24.125" & 31.50" Straps Fuel Tank Strap TRQ FSA70529

    VIDEO

    Fuel Tank Strap
    1 reviews
    Brand: TRQ - FSA70529
    $46.95
    Save 33%
    List $69.95 Save $23.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Vapor Canister Vent Solenoid

    Replaces Vapor Canister Vent Solenoid TRQ EVA47794

    1 reviews
    Brand: TRQ
    - EVA47794
    $109.95
    Save 21%
    List $138.95 Save $29.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces Vapor Canister Vent Solenoid TRQ EVA47794

    VIDEO

    Vapor Canister Vent Solenoid
    1 reviews
    Brand: TRQ - EVA47794
    $109.95
    Save 21%
    List $138.95 Save $29.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    Fuel Tank Strap

    Replaces 2003 GMC Sierra 1500 with 31.25" Straps Fuel Tank Strap TRQ FSA70149

    1 reviews
    Brand: TRQ
    - FSA70149

    $49.95
    Save 41%
    List $83.95 Save $34.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces 2003 GMC Sierra 1500 with 31.25" Straps Fuel Tank Strap TRQ FSA70149

    VIDEO

    Fuel Tank Strap
    1 reviews
    Brand: TRQ - FSA70149
    $49.95
    Save 41%
    List $83.95 Save $34.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61246

    6 reviews
    Brand: TRQ
    - OSA61246

    • Dimensions: 47.37 in. x 4.81 in
    $42.95
    Save 28%
    List $59.95 Save $17.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces O2 Oxygen Sensor TRQ OSA61246

    VIDEO

    O2 Oxygen Sensor
    6 reviews
    Brand: TRQ - OSA61246
    • Dimensions: 47.37 in. x 4.81 in
    $42.95
    Save 28%
    List $59.95 Save $17.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61632

    17 reviews
    Brand: TRQ
    - OSA61632

    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $64.95
    Save 23%
    List $83.95 Save $19.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces O2 Oxygen Sensor TRQ OSA61632

    VIDEO

    O2 Oxygen Sensor
    17 reviews
    Brand: TRQ - OSA61632
    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket
    $64.95
    Save 23%
    List $83.95 Save $19.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor TRQ OSA61659

    2 reviews
    Brand: TRQ
    - OSA61659

    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket

    Out of Stock

    $ 64.95

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces O2 Oxygen Sensor TRQ OSA61659

    VIDEO

    O2 Oxygen Sensor
    2 reviews
    Brand: TRQ - OSA61659
    • Includes: Installation Tool
    • Kit Includes: (1) O2 Oxygen Sensor
    • Kit Includes: (1) Heavy Duty Oxygen Sensor Install Socket

    Out of Stock

    $ 64.95

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces O2 Oxygen Sensor Walker Products 250-24267

    Brand: Walker Products
    - 250-24267

    $57.95
    Save 38%
    List $93.95 Save $36.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

    Replaces O2 Oxygen Sensor Walker Products 250-24267

    VIDEO

    O2 Oxygen Sensor
    Brand: Walker Products - 250-24267
    $57.95
    Save 38%
    List $93.95 Save $36.00

    Guaranteed to Fit 2003 GMC Sierra 1500

    Guaranteed to Fit 2003 GMC Sierra 1500

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
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