Audi 100 Headlight Bulb Parts

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Audi 100 Headlight Bulb
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Please verify appearance, connection, and wattage of existing bulb prior to ordering. 2 per car.
1989, 1990, 1991, 1992, 1993, 1994 Audi 100, 100 Quattro
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$6.19
Reg
$6.45
List
$4.13
OEM
This is upgraded Halogen version.
1971, 1972, 1973, 1974, 1975, 1976, 1977 Audi 100
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$14.19
Reg
$14.78
List
$92.00
1992, 1993, 1994 Audi 100, 100 Quattro
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$4.39
Reg
$4.57
List
$2.57
OEM
This is upgraded Halogen version.
1971, 1972, 1973, 1974, 1975, 1976, 1977 Audi 100
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$11.59
Reg
$12.07
List
$137.00
High output version of the H4/9003 type bulb.
Audi, Mercedes, Porsche, VW
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$6.49
Reg
$6.76
List
$5.31

Audi 100 headlight bulb typically cost between $4.39 and $14.19.

What Size And Type Of Bulb Does the Audi 100 Use For the Headlights?

The Audi 100 headlight bulb size and type can differ depending on the model year. Most classic models use the H4 halogen bulb for both high and low beams, but some later versions may take an H1 or H7 bulb instead. If you’re unsure, pop your hood and check either the owner’s manual or the sticker at the back of the headlamp—you’ll find the right info there. Using the right bulb not only keeps you safe but also avoids fitment or electrical headaches that can pop up if you try something different.

How Do You Replace the Audi 100 Headlight Bulb?

Replacing the Audi 100 headlight bulb is pretty simple for most people. Start by lifting the hood and finding the rear side of the headlight housing. There’s usually a rubber or plastic cover—just peel or twist this off. Next, unplug the wiring and pop off any retaining clips or metal springs holding the bulb in place. Slide the old bulb out, grab your new one (be careful not to touch the glass), and lock it in. Reconnect everything, put the dust cover back, and test your lights before closing the hood. That’s all it usually takes.

What Are Common Signs That the Audi 100 Headlight Bulb Needs to Be Replaced?

Most people first notice a burnt-out Audi 100 headlight bulb when one side suddenly goes dark. Other signs include your headlights looking dimmer than usual, flickering, or turning a different color—often a dull yellow. If you notice moisture building up inside your headlight, that can also shorten bulb life. If both lights seem out, it could be a fuse, so it’s worth a quick check before swapping both bulbs. Don’t leave a failed bulb unattended; it’s a safety risk and a ticket magnet at night.

Can I Upgrade to LED or High-Performance Bulbs in the Audi 100 Headlight Assembly?

If you’re hoping to get brighter lights, you can upgrade the Audi 100 headlight bulb with either LEDs or high-performance halogens. Just make sure you use a bulb made for your type of headlight reflector to avoid scattering the beam or blinding other drivers. Kits for LED upgrades are out there and can work well, but double-check they’re legal in your area and safe for on-road use. You can also try brighter halogens designed for your car’s housing if you want better night visibility without changing the whole system.

Why Does My New Audi 100 Headlight Bulb Burn Out Quickly?

When a new Audi 100 headlight bulb doesn’t last, a couple of things could be at play. Sometimes it’s as simple as accidentally touching the glass during install—oil from your fingers can shorten bulb life. Other times, you may have an electrical issue like a voltage spike, moisture in the housing, or even a poor-quality bulb. Make sure the headlight assembly is sealed, use good bulbs, and be careful during installation. If they keep burning out, it might be time to double-check your wiring or alternator output.

Where Can You Find Affordable Audi 100 Headlight Bulbs Fast?

AutohausAZ makes it easy to get the Audi 100 headlight bulb you need fast. We keep prices low and you’ll get your order quickly—no long wait times. If something’s not right, returns are simple and hassle-free. Shopping here for your next headlight bulb means you get what you need without any fuss, all while saving money.