Disclaimer: Not affiliated with or endorsed by Audi Motor Company. For informational purposes only. Full Disclaimer

Headlight Bulb Low Beam - D2S

Check out these xenon lighting solutions, the number one choice in authentic Xenon lighting. Philips Xenon HID headlight bulbs provide the same Original Equipment quality as the lights we provide to automakers around the world. Only a burning bulb made of quartz glass (filament 2650°c, glass 800°c) can resist thermal shocks: such as if a drop of cold water touches the hot bulb when you drive through water with a ... Check price on

– Maximum Performance xenon bulb
– Up to 200% more brightness than standard
– Light beam up to 250 metres in length
– Road legal - ECE compliant
– Premium quality, made in Germany

Check price on

Side Marker Light Bulb Front - 2357A

Easy to install, plug and play bulb, no wiring needed.
– Point-to-point welding, a light body structure, and firm, not easy to damage.
– 360 Degree Beam Angle design lights up every corner. Faster on/off response time.
– Socket Type: Standard 1157
– LED Type: 5630 SMD
– LED Quantity: 33 LEDs/bulb

Check price on

Map Light Bulb - 2825

SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

Check price on

– 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. 

Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter ... Check price on

Trunk or Cargo Area Light - 6418

  • Less changing of bulbs with longer service life;
  • Can be used for interior or exterior with many different possible applications;
  • Considerably lower energy consumption compared to standard bulbs;
  • A bulb you can rely on that has been tested to be Impact and vibration-resistant.
Check price on

Glove Box Light Bulb - 6418

  • Less changing of bulbs with longer service life;
  • Can be used for interior or exterior with many different possible applications;
  • Considerably lower energy consumption compared to standard bulbs;
  • A bulb you can rely on that has been tested to be Impact and vibration-resistant.
Check price on

Turn Signal Light Bulb Front Inner - 2357A

Easy to install, plug and play bulb, no wiring needed.
– Point-to-point welding, a light body structure, and firm, not easy to damage.
– 360 Degree Beam Angle design lights up every corner. Faster on/off response time.
– Socket Type: Standard 1157
– LED Type: 5630 SMD
– LED Quantity: 33 LEDs/bulb

Check price on

Side Marker Light Bulb Rear - 2825

SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

Check price on

– 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. 

Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter ... Check price on

Parking Light Bulb - 2357A

Easy to install, plug and play bulb, no wiring needed.
– Point-to-point welding, a light body structure, and firm, not easy to damage.
– 360 Degree Beam Angle design lights up every corner. Faster on/off response time.
– Socket Type: Standard 1157
– LED Type: 5630 SMD
– LED Quantity: 33 LEDs/bulb

Check price on

License Plate Light Bulb - 6418

  • Less changing of bulbs with longer service life;
  • Can be used for interior or exterior with many different possible applications;
  • Considerably lower energy consumption compared to standard bulbs;
  • A bulb you can rely on that has been tested to be Impact and vibration-resistant.
Check price on

Center High Mount Stop Light Bulb - 2825

SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

Check price on

– 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. 

Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter ... Check price on

Courtesy Light Bulb - 6418

  • Less changing of bulbs with longer service life;
  • Can be used for interior or exterior with many different possible applications;
  • Considerably lower energy consumption compared to standard bulbs;
  • A bulb you can rely on that has been tested to be Impact and vibration-resistant.
Check price on

Turn Signal Light Bulb Rear 7506

Back Up Reverse Light Bulb 7506

Tail Light Bulb 7528

Side Marker Light Bulb Rear 98

Center High Mount Stop Light Bulb 98

Turn Signal Light Bulb Front Outer 2827

Brake Light Bulb 7528

Dome Light Bulb 6411

Dome Light Bulb 6428

Map Light Bulb 98

Engine Compartment Light Bulb 6428

Engine Compartment Light Bulb 6411

Do you need a replacement bulb for the 1999 Audi A4 but got puzzled by the correct size? We have snatched the data from the owner's manual and compiled the 1999 Audi A4 headlight bulb size chart to help you find the specific part number for any application.

On top of that, we have selected a couple of high-rated aftermarket LED and HID lamps for each of the 23 positions of your Audi Sedan. The selected bulbs need to fit into the 1999 Audi A4 socket and match the required wattage and voltage.