Audi S4 Tail Light Bulb Parts
Showing 15 out of 15 part(s) found in our catalog.
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The average price of a Audi S4 tail light bulb is between $0.79 and $2.69.
What Size And Type Of Audi S4 Tail Light Bulb Do I Need?
When it’s time to replace your Audi S4 tail light bulb, the first thing you’ll want to confirm is the bulb size and type for your particular model and year. Most recent S4s take a 7443 or similar wedge base bulb, but there are some variations across different years and trims. Some S4s come with LED tail lights, which aren’t serviced with a standard bulb. If you’re unsure, you can always check your manual, inspect the existing bulb, or look for the code stamped on the base. Getting the wrong bulb can affect how it fits and works, so matching it up is always the safe bet.
How Can I Access The Audi S4 Tail Light Bulb For Replacement?
To get to the Audi S4 tail light bulb, open the trunk or rear hatch. You’ll see removable covers or liners around the tail light area, usually held in place by small screws or fasteners. Taking these out will let you access the back of the light assembly. From there, it’s just a matter of twisting and pulling out the bulb holder to reach the bulb. It’s a good idea to be careful not to drop any parts or mess with the wiring. Once you’ve swapped in the new bulb, test it before putting everything back together.
Why Does My Audi S4 Tail Light Bulb Keep Burning Out?
If you find your Audi S4 tail light bulb keeps going out, a few things might be happening. Bumpy roads can shake the bulb loose or damage the filament over time. Water or moisture getting into the light housing can also shorten a bulb’s life, so check for leaky seals or cracks. Cheap bulbs tend to burn out faster too—going with a solid, well-made brand is usually worth it. If you notice repeated failures, inspect the socket and wiring for any corrosion or grounding problems, since those can cause bulbs to fail early as well.
Can I Upgrade The Audi S4 Tail Light Bulb To LED?
Switching your Audi S4 tail light bulb to an LED is definitely possible on a lot of models, but it depends on your car’s wiring. LEDs burn brighter and last longer than standard bulbs, but they use less power, which might trigger a bulb-out warning on your dash. You may need to use CAN-bus compatible LEDs or plug-in resistors to keep everything working smoothly. Some installs are quick plug-and-play swaps, while others might take a bit more tinkering. It’s always smart to check for compatibility—especially if you want to avoid extra warnings or fast flashing.
How Do I Solve A Warning Light After Changing The Audi S4 Tail Light Bulb?
Sometimes after swapping out your Audi S4 tail light bulb, you’ll get a warning light on the dash, saying there’s an issue with the lamp. This usually happens if the new bulb—especially an LED—draws less power than the original. Double check that you’ve installed a bulb with the right specs. If you’ve moved to LEDs, make sure they’re CAN-bus friendly or add a resistor as the bulb maker suggests. Also, check that all the connections are snug. If the warning sticks around, clearing the code can often reset things.
Looking For An Affordable Audi S4 Tail Light Bulb?
At AutohausAZ, finding the right Audi S4 tail light bulb won’t strain your wallet. We keep prices reasonable, stock quality bulbs, and make shipping quick and easy. If you happen to get the wrong one, our returns are simple and straightforward. The next time you need a tail light bulb for your Audi S4, we’ll show you how easy buying car parts online can be.
