Audi 100 Tail Light Parts

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Used as parking/turning signal and/or brake/running light depending upon model. Nickel base version of brass base 1157 bulb. Please verify appearance and wattage of existing bulb prior to ordering.
1971-1994 Audi 100, 100 Quattro
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$2.19
Reg
$2.28
List
$0.35
Multiple uses, may include turn signal, brake light, backup light, rear foglight, and third brake light depending upon model. Please verify appearance and wattage of existing bulb. If original bulbs are...
1971-1994 Audi 100, 100 Quattro
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$2.19
Reg
$2.28
List
$4.94
1989, 1990, 1991 Audi 100, 100 Quattro
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$2.19
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$2.28
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$0.39
OEM
1971-1994 Audi 100, 100 Quattro
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$1.99
Reg
$2.07
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$0.51
Higher wattage version of nickel base 7528 bulb.
1989, 1990, 1991 Audi 100, 100 Quattro
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$2.19
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$2.28
List
$0.35
Primarily used in tail lamp and side markers, please verify appearance and wattage of existing bulb prior to ordering.
1971-1991 Audi 100, 100 Quattro
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$2.19
Reg
$2.28
List
$0.31

Audi 100 tail light typically cost between $1.99 and $2.19.

How Can I Replace My Audi 100 Tail Light Bulb?

To swap out your Audi 100 tail light bulb, start by opening the trunk and locating the panel right behind the tail light. Pop that panel off to access the bulb holder. Twist the holder counterclockwise and carefully pull it out. Remove the old bulb and install a fresh one that matches the required type—try not to touch the glass part with your hands. Put the holder back in place, twist to secure it, and close up the access panel. Before finishing up, test the new bulb to make sure it works. This job doesn’t take long and usually only requires basic tools, but taking your time with the bulb and wiring can save headaches down the road.

Why Is My Audi 100 Tail Light Not Working?

If your Audi 100 tail light isn’t coming on, the first thing to check is the bulb itself—it might just be burned out. Other possible issues include a blown fuse, a faulty socket, or a problem with the wiring. Sometimes, moisture gets inside the lens and rusts the connections, stopping the light from working properly. Take a look at the bulbs and fuses first, then inspect the connector for any signs of dirt, corrosion, or loose pins. If everything looks fine there, you might need to track down a wiring issue or bad ground with a wiring diagram. Fixing these problems sooner rather than later is important for your safety and to avoid getting stopped for a broken tail light.

What Steps Fix Water Leaks In Audi 100 Tail Light?

If you’re dealing with water leaks around your Audi 100 tail light, the seal or gasket around the light is probably worn out or cracked. To fix this, remove the tail light and check the rubber gasket separating the lens from the car body. If the seal feels brittle or looks damaged, pick up a new one. Clean the mounting surface and the edge of the lens before fitting the new gasket. If you don’t have a replacement on hand, a bead of silicone sealant can work as a temporary fix. Once everything’s in place, spray some water over the area and check for leaks. Keeping moisture out of the housing will save you from more electrical issues down the line.

What Causes Condensation Inside Audi 100 Tail Light?

Condensation inside an Audi 100 tail light usually means there’s a small gap in the seal or a tiny crack in the lens. Sometimes, even a good seal can still let in a bit of moisture if the vent is blocked or the conditions are just right. If this happens, drying out the inside of the lens with a hair dryer and resealing the seam usually solves the problem. In more stubborn cases, drilling a tiny drain hole at the lowest point of the housing (where it won’t be seen) can help water escape and prevent build-up. Keeping an eye on the seals and replacing them when they age or crack is the best way to avoid this hassle.

Are Audi 100 Tail Light Assemblies Interchangeable With Other Models?

Tail light assemblies for the Audi 100 are usually designed specifically for certain years and trim levels, so they’re not a straight swap with tail lights from other Audi models. Differences in the way they mount, the shape of the lenses, and the wiring can make it tough to use an assembly from another model without modification. To be sure you get a perfect fit and keep the appearance original, it’s best to match the replacement with your car’s exact model year and trim. Always double-check part numbers to make the process smooth.

How Can You Easily Find The Right Audi 100 Tail Light?

At AutohausAZ, you won’t have to jump through hoops to get the right Audi 100 tail light. We keep pricing low, and you can count on frequent discounts to keep things affordable. Need your part in a hurry? Our fast shipping will have your order at your door quickly. And if you ever need to send something back, our easy returns mean there are no surprises or hassles. We’re here to help you get your Audi 100 sorted without any stress.