Audi Q3 Tail Lights: Specs, Fitment & Common Faults
On the Q3, identical cars on related models have genuinely shown completely different condensation patterns, some had it, some genuinely didn't.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — tail light (aftermarket) Van Wezel 0372925U / Diederichs 1066095
| Tail lights (aftermarket) | Van Wezel 0372923U (left, with bulb holder, inner section, right-hand pair 0372924U); Van Wezel 0372925U (left, LED, with bulb holder, outer section, right-hand pair 0372926U); Diederichs 1066095 (left, LED, with bulb holder, outer section); Diederichs 1066093 (left, inner section) |
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| Genuine (OE) numbers quoted | None quoted in the catalogue listings — the genuine light varies by trim, bulb or LED type and facelift date, so order it against your VIN |
| Fitment notes | Left and right are separate parts; check LED or bulb type, whether the bulb holder is included, body style and facelift date before ordering. |
Audi Q3 Tail Lights: More Wiring Behind There Than Most People Assume
The Audi Q3's tail light units do a lot in a small space, typically bundling brake, indicator, reversing and rear fog light functions together — so when something goes wrong electrically, more than one function can fail at once, and "faulty tail light" is rarely a precise diagnosis on its own.
Audi Q3 Tail Lights: What It Does
Beyond basic rear visibility, tail light units on the Q3 typically integrate brake lights, indicators, reversing lights and rear fog lights into a single housing. Higher trims may use LED units with a distinct light signature, which are not interchangeable with standard halogen units even if the physical mounting looks similar.
Audi Q3 Tail Lights: Watch: Replacing It
Fitment & Compatibility
Audi Q3 Tail Lights: Generations & Tail Light Type
| Standard trims | Halogen bulb-based units as standard on earlier generations, with LED tail lights featuring dynamic turn signals and animation standard on current generations |
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Tail light design changed between generations of the Q3, and facelifted versions within the same generation often use a revised light signature that isn't interchangeable with pre-facelift units. Always confirm the exact part for your specific model year before ordering. Whether you're sourcing a replacement tail lights for your Audi Q3 from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.
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A Genuinely Useful Piece of Context Worth Knowing About Tail Light Condensation — Audi Q3 Tail Lights
If a dealer suggests condensation in a tail light is simply normal, this is genuinely worth knowing: documented cases on related Audi models describe owners comparing otherwise identical cars, finding some show condensation while others genuinely don't — worth pushing for a proper repair rather than accepting a blanket explanation.
It's also genuinely worth knowing two distinct causes worth checking separately: the rubber seal running centred around the cluster, and separately the cluster itself for hairline cracks — and that the light unit can, in at least one documented case, physically separate at a seam over time.
Audi Q3 Tail Lights: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Tail Lights Guide for diagnosing which circuit has failed, how easy this job is to DIY, and aftermarket advice.
More Audi Tail Lights
The same part, covered across other Audi models.