Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Buick Regal Fuel & Emissions

What year is your
Free Same Day Shipping

2003 Buick Regal Fuel & Emissions

Filter Results
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces 2003 Buick Regal V6 3.8L Upstream O2 Oxygen Sensor Walker Products 250-24018

    1 reviews
    Brand: Walker Products - 250-24018

    Out of Stock

    $ 54.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    PCV Valve

    Replaces PCV Valve Standard Motor Products V243

    1 reviews
    Brand: Standard Motor Products - V243

    Out of Stock

    $ 30.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Fuel Injection Pressure Regulator - Delphi

    Replaces 2003 Buick Regal V6 3.8L Naturally Aspirated Fuel Injection Pressure Regulator Delphi FP10238

    Brand: Delphi - FP10238

    Out of Stock

    $ 68.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Fuel Pump Module Assembly - Delphi

    Replaces 2003 Buick Regal V6 3.8L Supercharged Fuel Pump Module Assembly Delphi FG0260

    Brand: Delphi - FG0260

    Out of Stock

    $ 240.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    Fuel Pump Lock Ring - Delphi

    Replaces 2003 Buick Regal Fuel Pump Lock Ring Delphi FA10026

    Brand: Delphi - FA10026

    Out of Stock

    $ 31.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Picture coming soon

    Replaces 2003 Buick Regal AT MODULE Fuel Tank Pressure Sensor ACDelco 16238399

    Brand: ACDelco - 16238399

    Out of Stock

    $ 60.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

1

...

1 2 3 4

...

4
Close



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