Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Cadillac CTS Parts

What year is your
Free Same Day Shipping

2003 Cadillac CTS

Filter Results
  • Notify When Available

    VIDEO

    79-16 GM; 94-95 Honda; 90-00,06-08 Isuzu; 05-09 Saab (M12-1.50 x 41.5mm) Serrated Whl Stud (Box 5)

    Replaces 2003 Cadillac CTS Wheel Stud 5 Piece Set Dorman Pik-A-Nut 98498

    1 reviews
    Brand: Dorman Pik-A-Nut
    - 98498

    • Quantity: 5 Piece Set
    $20.95
    Save 32%
    List $30.95 Save $10.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS Wheel Stud 5 Piece Set Dorman Pik-A-Nut 98498

    VIDEO

    79-16 GM; 94-95 Honda; 90-00,06-08 Isuzu; 05-09 Saab (M12-1.50 x 41.5mm) Serrated Whl Stud (Box 5)
    1 reviews
    Brand: Dorman Pik-A-Nut - 98498
    • Quantity: 5 Piece Set
    $20.95
    Save 32%
    List $30.95 Save $10.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available

    VIDEO

    Brake Fluid

    Brake Fluid 12 Piece Set 12oz

    1 reviews
    Brand: TRQ
    - BFL01025

    • Quantity: 12 Piece Set
    $56.95
    Save 42%
    List $98.95 Save $42.00

    Brake Fluid 12 Piece Set 12oz

    VIDEO

    Brake Fluid
    1 reviews
    Brand: TRQ - BFL01025
    • Quantity: 12 Piece Set
    $56.95
    Save 42%
    List $98.95 Save $42.00
  • Notify When Available

    VIDEO

    06-08 Lucerne; 03-07 CTS; 99-08 GM Full & Mid Size PU, SUV; 06-08 Gr Prix 2 wire Pking Lt Sckt w/Pig

    Replaces 2003 Cadillac CTS with 2 Wire Connector Bulb Socket Dorman TECHoice 645-607

    6 reviews
    Brand: Dorman TECHoice
    - 645-607
    $30.95
    Save 42%
    List $52.95 Save $22.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS with 2 Wire Connector Bulb Socket Dorman TECHoice 645-607

    VIDEO

    06-08 Lucerne; 03-07 CTS; 99-08 GM Full & Mid Size PU, SUV; 06-08 Gr Prix 2 wire Pking Lt Sckt w/Pig
    6 reviews
    Brand: Dorman TECHoice - 645-607
    $30.95
    Save 42%
    List $52.95 Save $22.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available

    VIDEO

    06-08 Lucerne; 03-07 CTS; 99-08 GM PU, SUV; 06-08 Gr Prix 2 wire Pking Lt Sckt w/Pig Pair

    Replaces 2003 Cadillac CTS Bulb Socket 2 Piece Set Dorman TECHoice 1ALPP01047

    17 reviews
    Brand: Dorman TECHoice
    - 1ALPP01047

    • Quantity: 2 Piece Set
    • Kit Includes: (2) Bulb Sockets
    $47.95
    Save 39%
    List $78.95 Save $31.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS Bulb Socket 2 Piece Set Dorman TECHoice 1ALPP01047

    VIDEO

    06-08 Lucerne; 03-07 CTS; 99-08 GM PU, SUV; 06-08 Gr Prix 2 wire Pking Lt Sckt w/Pig Pair
    17 reviews
    Brand: Dorman TECHoice - 1ALPP01047
    • Quantity: 2 Piece Set
    • Kit Includes: (2) Bulb Sockets
    $47.95
    Save 39%
    List $78.95 Save $31.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available

    VIDEO

    79-16 GM; 94-95 Honda; 90-00,06-08 Isuzu; 05-09 Saab (M12-1.50 x 41.5mm) Serrated Whl Stud (Box 10)

    Replaces 2003 Cadillac CTS Wheel Stud 10 Piece Set Dorman Pik-A-Nut 1AWHK00152

    Brand: Dorman Pik-A-Nut
    - 1AWHK00152

    • Quantity: 10 Piece Set
    • Kit Includes: (2) Wheel Studs
    $30.95
    Save 30%
    List $43.95 Save $13.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS Wheel Stud 10 Piece Set Dorman Pik-A-Nut 1AWHK00152

    VIDEO

    79-16 GM; 94-95 Honda; 90-00,06-08 Isuzu; 05-09 Saab (M12-1.50 x 41.5mm) Serrated Whl Stud (Box 10)
    Brand: Dorman Pik-A-Nut - 1AWHK00152
    • Quantity: 10 Piece Set
    • Kit Includes: (2) Wheel Studs
    $30.95
    Save 30%
    List $43.95 Save $13.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available

    VIDEO

    34MM 12PT 1/2 Drive Deep Well Impact Socket

    Socket

    2 reviews
    Brand: TRQ
    - TLK01012

    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Socket Size: 34mm
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 29%
    List $48.95 Save $14.00

    Socket

    VIDEO

    34MM 12PT 1/2 Drive Deep Well Impact Socket
    2 reviews
    Brand: TRQ - TLK01012
    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Socket Size: 34mm
    • Unit of Measure: Metric
    • Socket Type: Impact
    $34.95
    Save 29%
    List $48.95 Save $14.00
  • Notify When Available

    VIDEO

    32MM 12PT 1/2 Drive Deep Well Impact Socket

    Socket

    2 reviews
    Brand: TRQ
    - TLK01009

    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Size: 32mm
    • Socket Type: Impact
    $29.95
    Save 27%
    List $40.95 Save $11.00

    Socket

    VIDEO

    32MM 12PT 1/2 Drive Deep Well Impact Socket
    2 reviews
    Brand: TRQ - TLK01009
    • Socket Depth: Deep Wall
    • Contact Point Design: 12 Point
    • Socket Drive: 1/2 in. Drive
    • Unit of Measure: Metric
    • Socket Size: 32mm
    • Socket Type: Impact
    $29.95
    Save 27%
    List $40.95 Save $11.00
  • Notify When Available
    Picture coming soon

    Replaces 2003 Cadillac CTS AT MODULE Fuel Tank Pressure Sensor ACDelco 16238399

    Brand: ACDelco
    - 16238399
    $60.95
    Save 50%
    List $121.95 Save $61.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS AT MODULE Fuel Tank Pressure Sensor ACDelco 16238399

    Picture coming soon
    Brand: ACDelco - 16238399
    $60.95
    Save 50%
    List $121.95 Save $61.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available
    03-12 Cadillac CTS; 04-09 SRX; 05-11 STS w/AT Floor Shift Linkage Repair Kit (Dorman)

    Replaces 2003 Cadillac CTS Automatic Transmission Shift Linkage Repair Kit Dorman OE Solutions 924-600

    1 reviews
    Brand: Dorman OE Solutions
    - 924-600
    $49.95
    Save 28%
    List $68.95 Save $19.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS Automatic Transmission Shift Linkage Repair Kit Dorman OE Solutions 924-600

    03-12 Cadillac CTS; 04-09 SRX; 05-11 STS w/AT Floor Shift Linkage Repair Kit (Dorman)
    1 reviews
    Brand: Dorman OE Solutions - 924-600
    $49.95
    Save 28%
    List $68.95 Save $19.00

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

  • Notify When Available
    Brake Pad & Rotor Kit

    Replaces 2003 Cadillac CTS with RPO Code FE3 (Sport Suspension) Front Semi-Metallic Brake Pad & Rotor Kit DIY Solutions BFS03735

    Brand: DIY Solutions
    - BFS03735

    • Brake Pad Friction Material: Semi-Metallic
    • Kit Includes: (1) Front Semi-Metallic Brake Pad Set
    • Kit Includes: (2) Front Brake Rotors

    Out of Stock

    $ 83.48

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

    Replaces 2003 Cadillac CTS with RPO Code FE3 (Sport Suspension) Front Semi-Metallic Brake Pad & Rotor Kit DIY Solutions BFS03735

    Brake Pad & Rotor Kit
    Brand: DIY Solutions - BFS03735
    • Brake Pad Friction Material: Semi-Metallic
    • Kit Includes: (1) Front Semi-Metallic Brake Pad Set
    • Kit Includes: (2) Front Brake Rotors

    Out of Stock

    $ 83.48

    Guaranteed to Fit 2003 Cadillac CTS

    Guaranteed to Fit 2003 Cadillac CTS

1

...

17 18 19 20 21

...

30
Close



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