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 HD Parts

What year is your
Free Same Day Shipping

2003 Chevrolet Silverado 1500 HD

Filter Results
  • Notify When Available

    VIDEO

    Towing Mirror Set

    Replaces 2003 Chevrolet Silverado 1500 HD 2 Piece Manual Textured Black Towing Mirror Set Trail Ridge TR00659

    16 reviews
    Brand: Trail Ridge - TR00659

    • Mirror Type: Towing
    • Mirror Color / Finish: Textured Black
    • Quantity: 2 Piece
    • Adjustment Type: Manual
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    $75.95
    Save 50%
    List $150.95 Save $75.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    03-07 Ion; 00-06 GM SUV; 99-07 Silverado, Sierra Old; 02-06 Avalche, Headlight Mounting Pin LH = RH

    Replaces 2003 Chevrolet Silverado 1500 HD Driver & Passenger Side Headlight Mounting Pin 2 Piece Set TRQ HLA94579

    Brand: TRQ - HLA94579

    • Kit Includes: (2) Headlight Mounting Pins
    • Quantity: 2 Piece Set
    $24.95
    Save 27%
    List $33.95 Save $9.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    99-14 GM Fullsize Pickup truck SUV Inner Tie Rod Strut Bellow Pair

    Replaces 2003 Chevrolet Silverado 1500 HD Front Driver & Passenger Side Steering Rack & Pinion Bellow 2 Piece Set TRQ PSA40686

    4 reviews
    Brand: TRQ - PSA40686

    • Kit Includes: (2) Front Steering Rack & Pinion Bellows
    • Quantity: 2 Piece Set
    $34.95
    Save 27%
    List $47.95 Save $13.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    99-05 GMC PU Smooth Black Tailgate Handle & Bezel

    Replaces 2003 Chevrolet Silverado 1500 HD 2 Piece Tailgate Handle & Bezel Set TRQ DHA32493

    25 reviews
    Brand: TRQ - DHA32493

    • Quantity: 2 Piece
    • Kit Includes: (1) Tailgate Handle Bezel
    • Kit Includes: (1) Tailgate Handle
    $47.95
    Save 14%
    List $55.95 Save $8.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    Grille

    Replaces 2003 Chevrolet Silverado 1500 HD Front Upgrade Grille DIY Solutions GRI00444

    7 reviews
    Brand: DIY Solutions - GRI00444

    • Design: SS
    $185.95
    Save 39%
    List $305.95 Save $120.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available
    Axle Shaft Repair Bearing Pair

    Replaces Driver & Passenger Side Axle Shaft Repair Bearing 2 Piece Set TRQ ASA70001

    2 reviews
    Brand: TRQ - ASA70001

    • Quantity: 2 Piece Set
    • Kit Includes: (1) Rear Driver Side Axle Shaft Repair Bearing
    • Kit Includes: (1) Rear Passenger Side Axle Shaft Repair Bearing
    $52.95
    Save 20%
    List $65.95 Save $13.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    Thermostat with Housing Assembly

    Replaces 2003 Chevrolet Silverado 1500 HD without Water Pump Casting # 12562459 Thermostat with Housing Assembly TRQ ECA92439

    2 reviews
    Brand: TRQ - ECA92439

    $31.95
    Save 30%
    List $45.95 Save $14.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    03-07 GM Truck SUV Power Heated Red Chevron Signal Text Black Tow Mirror PAIR (Trail Ridge)

    Replaces 2003 Chevrolet Silverado 1500 HD Driver & Passenger Side 2 Piece Power 180 Degree Swing Textured Black Towing Mirror Set Trail Ridge TR00055

    106 reviews
    Brand: Trail Ridge - TR00055

    • Mirror Type: Towing
    • Mirror Color / Finish: Textured Black
    • Mirror Arm Style: Dual Arm
    • Quantity: 2 Piece
    • Adjustment Type: Electric
    • Kit Includes: (1) Passenger Side Mirror
    • Kit Includes: (1) Driver Side Mirror
    • Mirror Folding Type: 180 Degree Swing
    $229.95
    Save 13%
    List $262.95 Save $33.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    Ignition Lock Cylinder

    Replaces 2003 Chevrolet Silverado 1500 HD Ignition Lock Cylinder TRQ ILA41908

    3 reviews
    Brand: TRQ - ILA41908
    $24.95
    Save 24%
    List $32.95 Save $8.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

  • Notify When Available

    VIDEO

    Steering Kit

    Replaces 2003 Chevrolet Silverado 1500 HD 4 Wheel Drive Front 8 Piece Steering Kit TRQ PSA34601

    Brand: TRQ - PSA34601

    • Kit Includes: (2) Front Outer Tie Rods
    • Kit Includes: (1) Front Center Link
    • Kit Includes: (1) Idler Arm
    • Quantity: 8 Piece
    • Kit Includes: (1) Idler Arm Bracket Assembly
    • Kit Includes: (1) Pitman Arm
    • Kit Includes: (2) Front Inner Tie Rods
    $141.95
    Save 29%
    List $199.95 Save $58.00

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

    Guaranteed to Fit 2003 Chevrolet Silverado 1500 HD

1

...

3 4 5 6 7

...

124
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.