Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2003 Audi A4 Engine Sensors & Electrical

What year is your
Free Same Day Shipping

2003 Audi A4 Engine Sensors & Electrical

Filter Results
  • Notify When Available
    97-06 Audi; 98-07 VW Multifit Camshaft Position Sensor

    Replaces 2003 Audi A4 L4 1.8L Turbo Camshaft Position Sensor TRQ ESA94798

    3 reviews
    Brand: TRQ
    - ESA94798
    $31.95
    Save 18%
    List $38.95 Save $7.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 L4 1.8L Turbo Camshaft Position Sensor TRQ ESA94798

    97-06 Audi; 98-07 VW Multifit Camshaft Position Sensor
    3 reviews
    Brand: TRQ - ESA94798
    $31.95
    Save 18%
    List $38.95 Save $7.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available
    97-06 Audi; 98-07 VW Multifit Camshaft Position Sensor PAIR

    Replaces 2003 Audi A4 L4 1.8L Turbo 2 Piece Camshaft Position Sensor Set TRQ ESA71376

    5 reviews
    Brand: TRQ
    - ESA71376

    • Quantity: 2 Piece
    • Kit Includes: (2) Camshaft Position Sensors
    $40.95
    Save 20%
    List $50.95 Save $10.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 L4 1.8L Turbo 2 Piece Camshaft Position Sensor Set TRQ ESA71376

    97-06 Audi; 98-07 VW Multifit Camshaft Position Sensor PAIR
    5 reviews
    Brand: TRQ - ESA71376
    • Quantity: 2 Piece
    • Kit Includes: (2) Camshaft Position Sensors
    $40.95
    Save 20%
    List $50.95 Save $10.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    Coolant Temperature Sensor

    Replaces Coolant Temperature Sensor DIY Solutions HVA03530

    1 reviews
    Brand: DIY Solutions
    - HVA03530
    $20.95
    Save 25%
    List $27.95 Save $7.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces Coolant Temperature Sensor DIY Solutions HVA03530

    VIDEO

    Coolant Temperature Sensor
    1 reviews
    Brand: DIY Solutions - HVA03530
    $20.95
    Save 25%
    List $27.95 Save $7.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    98-06 Audi; 98-05 VW Multifit w/1.8L, 1.9L, 2.0L, 2.7L, 2.8L, 3.0L Crankshaft Position Sensor

    Replaces 2003 Audi A4 V6 3.0L Crankshaft Position Sensor TRQ ESA94863

    4 reviews
    Brand: TRQ
    - ESA94863
    $24.95
    Save 36%
    List $38.95 Save $14.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 V6 3.0L Crankshaft Position Sensor TRQ ESA94863

    VIDEO

    98-06 Audi; 98-05 VW Multifit w/1.8L, 1.9L, 2.0L, 2.7L, 2.8L, 3.0L Crankshaft Position Sensor
    4 reviews
    Brand: TRQ - ESA94863
    $24.95
    Save 36%
    List $38.95 Save $14.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    Alternator

    Replaces Alternator TRQ ALA90110

    Brand: TRQ
    - ALA90110

    $214.95
    Save 25%
    List $285.95 Save $71.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces Alternator TRQ ALA90110

    VIDEO

    Alternator
    Brand: TRQ - ALA90110
    $214.95
    Save 25%
    List $285.95 Save $71.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available
    Camshaft Position Sensor

    Replaces 2003 Audi A4 V6 3.0L Camshaft Position Sensor TRQ ESA43009

    Brand: TRQ
    - ESA43009
    $29.95
    Save 21%
    List $37.95 Save $8.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 V6 3.0L Camshaft Position Sensor TRQ ESA43009

    Camshaft Position Sensor
    Brand: TRQ - ESA43009
    $29.95
    Save 21%
    List $37.95 Save $8.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    Oil Pressure Switch

    Replaces 2003 Audi A4 with Black Connector Oil Pressure Switch TRQ SWA40944

    Brand: TRQ
    - SWA40944
    $22.95
    Save 26%
    List $30.95 Save $8.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 with Black Connector Oil Pressure Switch TRQ SWA40944

    VIDEO

    Oil Pressure Switch
    Brand: TRQ - SWA40944
    $22.95
    Save 26%
    List $30.95 Save $8.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2003 Audi A4 L4 1.8L 4 Piece Ignition Coil Set TRQ ICA61517

    14 reviews
    Brand: TRQ
    - ICA61517

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $98.95
    Save 30%
    List $140.95 Save $42.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 L4 1.8L 4 Piece Ignition Coil Set TRQ ICA61517

    VIDEO

    Kit image
    14 reviews
    Brand: TRQ - ICA61517
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $98.95
    Save 30%
    List $140.95 Save $42.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available

    VIDEO

    Ignition Coil

    Replaces 2003 Audi A4 L4 1.8L Ignition Coil TRQ ICA61685

    2 reviews
    Brand: TRQ
    - ICA61685

    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $29.95
    Save 45%
    List $54.95 Save $25.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 L4 1.8L Ignition Coil TRQ ICA61685

    VIDEO

    Ignition Coil
    2 reviews
    Brand: TRQ - ICA61685
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $29.95
    Save 45%
    List $54.95 Save $25.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

  • Notify When Available
    02-06 Audi A4 A6 Quattro Ignition Coil

    Replaces 2003 Audi A4 V6 3.0L Ignition Coil TRQ ICA61679

    Brand: TRQ
    - ICA61679

    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Red
    $29.95
    Save 43%
    List $52.95 Save $23.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

    Replaces 2003 Audi A4 V6 3.0L Ignition Coil TRQ ICA61679

    02-06 Audi A4 A6 Quattro Ignition Coil
    Brand: TRQ - ICA61679
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Red
    $29.95
    Save 43%
    List $52.95 Save $23.00

    Guaranteed to Fit 2003 Audi A4

    Guaranteed to Fit 2003 Audi A4

1

...

1 2 3

...

3
Close



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.