Audi A4 1999 Bulb Size

Bulb size chart

Headlight Bulb Low Beam - D2S
Back Up Reverse Light Bulb - 7506
Brake Light Bulb - 7528
Center High Mount Stop Light Bulb - 2825, 98
License Plate Light Bulb - 6418
Parking Light Bulb - 2357A
Side Marker Light Bulb Front - 2357A
Side Marker Light Bulb Rear - 2825, 98
Tail Light Bulb - 7528
Turn Signal Light Bulb Front Inner - 2357A
Turn Signal Light Bulb Front Outer - 2827
Turn Signal Light Bulb Rear - 7506
Courtesy Light Bulb - 6418
Dome Light Bulb - 6411, 6428
Engine Compartment Light Bulb - 6411, 6428
Glove Box Light Bulb - 6418
Map Light Bulb - 2825, 98
Trunk or Cargo Area Light - 6418

D2S Bulbs

Used for: Headlight Bulb Low Beam

View all 9 replacement options for size D2S →

7506 Bulbs

Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear

Osram 7506 Original Light Bulbs with Metal Bases

Osram 7506 Original Light Bulbs with Metal Bases

As the leading global provider, OSRAM takes pride in being the foremost manufacturer of automotive bulbs, catering to the needs of vehicle manufacturers worldwide. Their unmatched expertise has made them the trusted supplier for millions of cars and trucks manufactured by renowned automotive giants. Here, we proudly offer the OSRAM 7506 (P21W-382) bulb, identical to the ones provided directly to vehicle manufacturers. It boasts an exceptional price-to-performance ratio, ensuring top-notch quality at an affordable rate. With a combination of superior craftsmanship, remarkable luminosity, and unwavering durability, OSRAM's Original Equipment products outshine many other bulbs available in the market, providing a genuine advantage for discerning customers.

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Ruiandsion 7506 LED Light Bulbs (BA15S Base)

Ruiandsion 7506 LED Light Bulbs (BA15S Base)

Introducing the Ruiandsion 7506 LED Light Bulbs, the perfect solution for upgrading your vehicle's lighting system. With a host of impressive features, these bulbs are designed to deliver enhanced performance and convenience. One standout feature of this 1156 LED Bulb is its Non-Polarity Design. Gone are the days of worrying about polarity sensitivity during installation. The plug-and-play functionality ensures a hassle-free experience, whether your vehicle has a negative earth or positive earth system. Installing these bulbs is as easy as it gets. Get ready to experience a clean and crisp illumination with the striking White color emitted by these bulbs. The 3030 chips incorporated in each bulb guarantee a powerful and consistent output of light. With 16 LEDs per bulb, you can expect a remarkably bright and even distribution of light across your surroundings. Durability is at the core of the Ruiandsion 7506 LED Light Bulbs. Designed to withstand extreme conditions, they operate flawlessly within a wide temperature range, from -40 to +75 degrees. Whether you're facing scorching heat or freezing cold, these bulbs will keep shining brightly, ensuring optimal visibility for your journeys.

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View all 12 replacement options for size 7506 →

7528 Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

KATUR 7528 Super Bright LED Light Bulbs

KATUR 7528 Super Bright LED Light Bulbs

The KATUR 7528 Super Bright LED Light Bulbs are a great choice for anyone looking to upgrade their vehicle's lighting. With a 360° lighting angle and a perfect beam pattern, these bulbs offer bright and safe driving lighting with no dark spots or glare for other drivers. The operating voltage is 12V-24V and the wattage is 24W, making these bulbs a more efficient choice compared to halogen or incandescent bulbs. These LED bulbs have a built-in stable constant current IC driver that ensures a longer lifespan and adjusts the current automatically. The built-in Canbus function makes them error-free and eliminates hyper flash, making them compatible with most cars. The non-polarity design makes installation a breeze, with a simple plug-and-play setup. These standard bulbs are brighter and more energy-efficient, offering enough light to improve your driving experience.

$22.99

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View all 11 replacement options for size 7528 →

2825 Bulbs

Used for: Center High Mount Stop Light Bulb, Side Marker Light Bulb Rear, Map Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: Center High Mount Stop Light Bulb, Side Marker Light Bulb Rear, Map Light Bulb

View all 10 replacement options for size 98 →

6418 Bulbs

Used for: License Plate Light Bulb, Courtesy Light Bulb, Glove Box Light Bulb, Trunk or Cargo Area Light

Philips 6418 Ultinon LED Bulb

Philips 6418 Ultinon LED Bulb

If you are looking to upgrade your style without buying a new car, replacing your interior and exterior lighting with Philips Ultinon LEDs is a smart way to spend your money. Philips Ultinon LED lights are a direct replacement for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior applications. Whether it’s for backup, stopping, or signaling, Philips Ultinon exterior lighting is designed to provide excellent light distribution. The light is projected where you need it so not only can you see more inside your car, you can see more on the road. Make a statement and get noticed with Philips LEDs.

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View all 9 replacement options for size 6418 →

2357A Bulbs

Used for: Parking Light Bulb, Side Marker Light Bulb Front, Turn Signal Light Bulb Front Inner

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets with Projector

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets wi...

Better Visibility 4014 LED chips Super bright 4014 48Chips to provide the LED with the proper beam patterns.No dark spots, no short beams, and no scattered light.360 Degree lighting, brings an astounding emitted light effect. Great performance 1157 BAY15D 2057 2357 7528 LED Bulbs are waterproof and can work in any bad weather. Provide a good view when you are driving. Perfect performance in conditions of poor visibility due to rain, fog, dust, or snow. Excellent heat dissipation design Adopt a large aluminum heat sink to avoid trouble by heat generation, achieving extremely excellent heat resistance and heat dissipation that can withstand high temperatures. It also increases the lighting efficiency and extends the service time to 50,000+hrs. Cross Reference number Standard dual-contact 1157/BAY15D Base can replace Stock Bulbs or Incandescents such as 1016 1034 1157 1157A 1178A 1196 2057 2057A 2357 2357A 2357NA 2397 3496 7528 94. Easy installation  Well matched with the original Incandescence lights. Easy plug-and-play installation - just plug it into the socket.

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2827 Bulbs

Used for: Turn Signal Light Bulb Front Outer

KATUR Extremely Bright 2827 LED Light Bulbs

KATUR Extremely Bright 2827 LED Light Bulbs

Upgrade your vehicle's lighting with the KATUR Extremely Bright 2827 LED Light Bulbs and experience superior brightness, energy efficiency, and durability. Enjoy a crisp and clear white light with a color temperature of 6000K, providing enhanced visibility and a modern aesthetic. Don't settle for dim and outdated bulbs when you can have the best. Choose KATUR for exceptional quality and performance in LED lighting.With a T10 base type, these LED bulbs are a direct replacement for your existing car lights, making installation quick and hassle-free. Designed with three powerful 3030 SMD LEDs, these bulbs deliver an incredibly bright and crisp white light that enhances visibility and adds a touch of modern elegance to your vehicle. Thanks to the 360-degree beam angle, these LED bulbs offer a uniform and consistent illumination, eliminating hot spots and providing a wide coverage area. Whether you need to enhance your interior cabin lights, license plate lights, side marker lights, or any other compatible car light, these bulbs are up to the task. Operating at a voltage range of 12V to 16V, these bulbs are highly versatile and can be used in various vehicles without any compatibility issues. With a low wattage of 1.5W, they consume minimal power while still delivering an impressive brightness of 350 lumens. Say goodbye to inefficient incandescent bulbs and enjoy the benefits of energy-saving LED technology.

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6411 Bulbs

Used for: Dome Light Bulb, Engine Compartment Light Bulb

Wiseshine 6411 LED Dome Light Bulb

Wiseshine 6411 LED Dome Light Bulb

Introducing theWiseshine 6411 LED Dome Light Bulb, the ultimate lighting solution for a variety of applications. This top-quality bulb is engineered to provide outstanding performance, reliability, and longevity. Wiseshine 6411 LED Dome Light Bulb emits a natural white light with a color temperature of 4500k. This color creates a pleasant and soothing illumination that enhances visibility and creates a welcoming atmosphere. Each pack contains 6pcs of these high-quality LED bulbs, ensuring you have an ample supply to meet your lighting needs. Whether you're looking to upgrade your dome lights, reading lights, map lights, glove box lights, cargo lights, trunk lights, or license plate lights, this pack has you covered. Designed to operate with DC 24V input, this bulb is suitable for a wide range of vehicles and applications. Whether you need to replace bulbs in your car, truck, or boat, this Festoon LED bulb is compatible with your power source. Rest assured that this bulb is built to last. With a two-year quality assurance guarantee, you can trust in its reliability and performance. Wiseshine 6411 LED Dome Light Bulb is engineered with top-quality components, including 6 super bright chipsets 3030 1-watt LEDs. Each individual light produces an impressive 130-140 lumens, ensuring a bright and focused illumination.

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KATUR 6411 White LED Bulbs 39 mm

KATUR 6411 White LED Bulbs 39 mm

It's time to shed some light on your automotive life with the KATUR 6411 White LED Bulbs 39 mm. These little wonders are like a shining beacon of efficiency, delivering lower power consumption and a longer lifespan to keep you glowing for miles on end. With their lightning-fast light response and impeccable safety record, you'll never miss a beat on the road. Thanks to the high power 5630 chips and a mesmerizing 180-degree illumination angle, there won't be a blind spot in sight–prepare to witness your car basking in a radiant, renewed aura. And here's the cherry on top: installation is a breeze, taking a mere 5 minutes of your time, simply plug and play without causing any harm to your precious ride. Illuminate your world and embrace the brilliance of the KATUR 6411 White LED Bulbs 39 mm!

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View all 8 replacement options for size 6411 →

6428 Bulbs

Used for: Dome Light Bulb, Engine Compartment Light Bulb

KATUR 6428 LED Interior Light Bulb

KATUR 6428 LED Interior Light Bulb

6500K Xenon White Experience the brilliant 6500K Daytime White brightness instantly with KaTur 31mm Festoon C5W LED Bulb. No lag, just immediate illumination. High Power 5630 Chips Enjoy the perfect beam patterns of the super bright 5630 Chips in the LED Front Rear Sidemarker Light. Say goodbye to dark spots, short beams, and scattered light. CanBus Error-Free Equipped with a CANBUS system, these bulbs work seamlessly without the need for additional resistors. Waterproof and reliable in any weather conditions, providing excellent visibility while driving. Easy Installation Install in just 5 minutes with a plug-and-play design. Non-destructive installation for Interior (Map, Dome, Cargo, Courtesy) Light, License Plate Light, Parking Light, Turn Signal Light, Corner Light, Side Marker Light, Tail Light, and Backup Lights. Suitable for cars, trucks, motorcycles, scooters, trailers, RVs, boats, and more.

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View all 11 replacement options for size 6428 →

This 1999 Audi A4 bulb size guide helps you verify the correct bulbs by lighting position before you buy replacements. Whether you are changing a headlight, a license plate lamp, or an interior bulb, matching the bulb to the exact location is the easiest way to avoid ordering the wrong part.

The 1999 Audi A4 used several different bulb types depending on the lamp position, and some fitments can vary by market, trim, and body style. Use this page as a quick reference for common exterior and interior lighting points on the car, including low beam headlights, tail lamps, turn signals, and courtesy lights.

For the best fitment results, compare the bulb listed for your specific position with the bulb already installed in your car, especially if your A4 has been modified or if the lighting package differs from the standard setup. Halogen and LED replacements are not always direct swaps, and aftermarket conversions may need extra hardware, resistors, or housings to work correctly. Before ordering, check the existing bulb base and part number whenever possible so you can confirm the match and avoid surprises during installation.

FAQ

What bulb does the 1999 Audi A4 use for the low beam headlight?

The low beam headlight bulb listed for the 1999 Audi A4 is D2S.

Which bulb fits the front outer turn signal on a 1999 Audi A4?

The front outer turn signal bulb is 2827.

What is the bulb size for the front inner turn signal?

The front inner turn signal bulb is 2357A.

What bulb is used for the rear turn signal on this Audi A4?

The rear turn signal bulb is 7506.

What bulb fits the brake light on a 1999 Audi A4?

The brake light bulb listed for this model is 7528.

Is the tail light bulb the same as the brake light bulb?

Yes, the tail light bulb is also listed as 7528 on the 1999 Audi A4.

What bulb is used for the back up reverse light?

The back up reverse light bulb is 7506.

Which bulb fits the parking light?

The parking light bulb is 2357A.

What bulb is used for the front side marker light?

The front side marker light bulb is 2357A.

What bulb fits the rear side marker light?

The rear side marker light bulb is 2825, 98.

Which bulb is used for the center high mount stop light?

The center high mount stop light bulb is 2825, 98.

What bulb fits the license plate light on a 1999 Audi A4?

The license plate light bulb is 6418.

What bulb is used for the dome light?

The dome light bulb is 6411, 6428.

Can trim or market differences change the bulb size on this car?

Yes. Trim level, lighting package, body style, and market can affect bulb fitment, so it is smart to confirm the bulb in your specific vehicle before buying.

Audi A4 Bulb Size by Year