Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Buick Regal Engine & Engine Management

What year is your
Free Same Day Shipping

2003 Buick Regal Engine & Engine Management

Filter Results
  • Notify When Available
    Ignition Wire Set

    Replaces 2003 Buick Regal Spark Plug Wire Set TRQ IWA69019

    3 reviews
    Brand: TRQ - IWA69019

    $54.95
    Save 25%
    List $72.95 Save $18.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    Spark Plug Wire Heat Shield

    Replaces Spark Plug Wire Heat Shield TRQ IWA65780

    Brand: TRQ - IWA65780
    $20.95
    Save 36%
    List $32.95 Save $12.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Serpentine Belt Tensioner

    Replaces 2003 Buick Regal V6 3.8L Supercharged 8th Vin Digit 1 Accessory Drive Belt Tensioner TRQ BPA03792

    1 reviews
    Brand: TRQ - BPA03792

    • Includes: Pulley
    • Pulley Type: Smooth
    $45.95
    Save 31%
    List $66.95 Save $21.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Head Gasket Set

    Replaces 2003 Buick Regal V6 3.8L 8th Vin Digit K Head Gasket Set TRQ SGA11373

    Brand: TRQ - SGA11373

    $112.95
    Save 27%
    List $153.95 Save $41.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    97-04 Regal 3.8L Complete Engine & Trans Mount Set (Set of 6)

    Replaces 2003 Buick Regal V6 3.8L 6 Piece Engine & Transmission Mount Kit TRQ MTA32758

    2 reviews
    Brand: TRQ - MTA32758

    • Quantity: 6 Piece
    • Kit Includes: (1) Transmission Mount
    • Kit Includes: (2) Torque Strut Engine Mounts
    • Kit Includes: (1) Engine Mount
    • Kit Includes: (2) Torque Strut Bracket Mounts
    $94.95
    Save 30%
    List $134.95 Save $40.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Kit image

    Replaces 2003 Buick Regal 7 Piece Ignition Kit DIY Solutions IGN01219

    Brand: DIY Solutions - IGN01219

    • Quantity: 7 Piece
    • Kit Includes: (1) Spark Plug Wire Set
    • Kit Includes: (6) G-Power Spark Plugs
    $84.95
    Save 17%
    List $101.95 Save $17.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    NGK V-Power Premium Spark Plug (Set of 6)(3951)

    Replaces 2003 Buick Regal V6 3.8L 6 Piece V-Power Spark Plug Set NGK NGETK00053

    2 reviews
    Brand: NGK - NGETK00053

    • Quantity: 6 Piece
    • Product Line: V-Power
    • Kit Includes: (6) Spark Plugs
    $37.95
    Save 22%
    List $48.95 Save $11.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available
    Picture coming soon

    Replaces 2003 Buick Regal V6 3.8L Gap 0.060 (in) Spark Plug ACDelco 14

    Brand: ACDelco - 14
    $13.95
    Save 56%
    List $31.95 Save $18.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    NGK G-Power Platinum Spark Plug Set of 6 (3403)

    Replaces 2003 Buick Regal V6 3.8L 6 Piece G-Power Spark Plug Set NGK NGETK00021

    8 reviews
    Brand: NGK - NGETK00021

    • Quantity: 6 Piece
    • Product Line: G-Power
    • Kit Includes: (6) Spark Plugs
    $44.95
    Save 18%
    List $54.95 Save $10.00

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

  • Notify When Available

    VIDEO

    Ignition Kit

    Replaces 2003 Buick Regal 4 Piece Ignition Kit DIY Solutions IGN00484

    14 reviews
    Brand: DIY Solutions - IGN00484

    • Quantity: 4 Piece
    • Kit Includes: (1) Ignition Control Module
    • Kit Includes: (1) Ignition Coil Set

    Out of Stock

    $ 239.95

    Guaranteed to Fit 2003 Buick Regal

    Guaranteed to Fit 2003 Buick Regal

1

...

2 3 4 5 6

...

8
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.