2003 Audi A4 Bulb Sizes

Fog Light Bulb Front - H11 LED

Fog Light Bulb Front - H16 LED
Headlight Bulb Low Beam(Cabriolet, with HID headlights) - D2S

Headlight Bulb High Beam(Cabriolet, with halogen headlights) - H9

Headlight Bulb Low Beam(Base, with HID headlights) - D1S

Headlight Bulb Low Beam(Base, with halogen headlights) - H7

Headlight Bulb High Beam(Base) - H7

Center High Mount Stop Light Bulb - LED
License Plate Light Bulb - 6418
Parking Light Bulb - 2825

Parking Light Bulb - 98
Tail Light Bulb - 7225
Daytime Running Light Bulb - 2825

Daytime Running Light Bulb - 98
Turn Signal Light Bulb Rear - 7507
Back Up Reverse Light Bulb - 7506
Side Marker Light Bulb Front - 3457A
Side Marker Light Bulb Rear - 5007
Stepwell Light Bulb - 2825

Stepwell Light Bulb - 98
Turn Signal Light Bulb Front Outer - 2827
Turn Signal Light Bulb Front Inner - 3457A
Brake Light Bulb(Cabriolet) - 7225
Brake Light Bulb(Base) - 7528
Vanity Mirror Light Bulb - 6418
Glove Box Light Bulb - 2825

Glove Box Light Bulb - 98
Dome Light Bulb - 6411
Dome Light Bulb - 6428
Map Light Bulb - 64111
Interior Door Light Bulb - 2825

Interior Door Light Bulb - 98
Engine Compartment Light Bulb - 6411
Engine Compartment Light Bulb - 6428
Courtesy Light Bulb(Base) - 2825

Courtesy Light Bulb(Base) - 98
Trunk or Cargo Area Light(Cabriolet) - 2825

Trunk or Cargo Area Light(Cabriolet) - 98
Courtesy Light Bulb(Cabriolet, Compare to original - Option 2) - 6418
Trunk or Cargo Area Light(Base) - 6418

2003 Audi A4 Fog Light (H11 LED)

2003 Audi A4 Low Beam (D2S)

2003 Audi A4 High Beam (H9)

    LED Lights

  • Best Choice for 2003 Audi A4

    MAXGTRS H8/H9/H11/H16JP TOP XHP50.2

    – High Power 90W/Bulb , 6000K Xenon White , 13000lm per pair

    – UNMATCHED QUALITY - Low voltage protection, high precision constant current driver chip

    – Longer Lifespan & Energy Saving : Working For More Than 50,000 Hours

    – EASY INSTALLATION - Can be installed in 20 mins. No relay. No capacitors. No extra wiring.

  • #1 Best Seller

    Fahren LED Headlight Bulbs, 60W 10000 Lumens Super Bright LED Headlights Conversion Kit 6500K Cool White IP68 Waterproof

    – 300% Brighter Than Halogen Top Automotive Grade LED chips with 60W, 10,000LM per pair, 6500K cool white;
    – CAN bus Ready for 98% Vehicles Our bulbs work with 98% of vehicle's computer system without error;
    – 10 Minutes Easy Installation Almost 1:1 mini design same as halogen

  • Best Choice for 2003 Audi A4

    SEALIGHT Scoparc S1 LED Headlight Bulbs, Low Beam/Fog Light, 6000K Bright White

    – 1.5x brighter than halogen bulbs, with pure white color light
    – No tools needed to replace the lower profile LED bulb
    – No more frequent replacements: The SEALIGHT S1 LED headlight bulbs strike a perfect balance of performance and lifespan
    – Fanless design: Without fan, there is no chance of fan failure. 

  • Premium Pick

    Philips X-tremeUltinon gen2

    – 5800K color temperature
    – 250% brighter than standard halogen
    – Up to 12 years lifetime thanks to resilient, low-energy design

  • Trending

    Firehawk V49-H11 2021 New LED Bulbs

    – Newest Japanese CSP LED chips with 15000lm per pair, 6000K Cool White, +400% Brightness, +200% Night Vision.
    – Most advanced cooling system ever: 2mm thickened red copper, 40pcs aviation aluminum heat sinks, 12,000RPM silent turbofan –
    – 1:1 halogen design, plug and play, no polarity, hassle-free

  • See More H9 LED Lights

2003 Audi A4 Low Beam (D1S)

2003 Audi A4 Low Beam (H7)

2003 Audi A4 High Beam (H7)

2003 Audi A4 Parking (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 DRL (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 Stepwell (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 Glove Box (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 Interior Door (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 Courtesy (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

2003 Audi A4 Trunk Area (2825)

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes

  • See More 2825 LED Lights

Our broad 2003 Audi A4 bulb outline Audis it possible to pinpoint the appropriate lamp specs for every unit of your vehicle in a speedy form. We are here to aid you in choosing the legitimate factory bulbs for faded lamps as well as notifying on the best alternatives for reA4ing your 2003 Audi A4 auto with modernized and more economical LED lamps with an prolonged lifetime. Be our guest to spot your 2003 Audi A4 modification in the guide beneath by the year of production as headlights bulb often deviate amongst older and newer trims.

Audi A4 Bulbs By Years