Peugeot 308 Tail Lights: Specs, Fitment & Common Faults
On the 308, a real case shows a dealer producing an official document dismissing significant light condensation as normal — here's a better way to judge for yourself.
Illustration for editorial purposes
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Peugeot 308 Tail Lights: OEM Part Number
A Genuine, Real Case Worth Knowing: When "Normal" Venting Becomes Excessive — Peugeot 308 Tail Lights
Modern light units are deliberately vented rather than fully sealed, meaning some condensation forming and clearing naturally is genuinely by design rather than a fault. That said, one documented case on a related Peugeot model is worth knowing about directly: an owner of a nearly-new car found condensation covering almost half the visible area inside the headlamp after driving or standing in rain, and was told by the dealer this was normal, with an official Peugeot document produced supporting the claim that unsealed lamps are designed this way with no risk to corrosion or lighting effectiveness. The owner's own skeptical observation is worth repeating: this kind of blanket "designed to vent" explanation can be used to dismiss genuinely excessive water ingress just as easily as it explains genuinely normal, minor misting — comparing your car directly against another example of the same model is a more useful test than accepting the explanation alone.
It's also worth knowing that water ingress issues on this platform aren't limited to the lights themselves — blocked scuttle drains under the windscreen wipers are a separate, well-documented cause of water finding its way into the car more broadly. If you're chasing condensation or dampness beyond just the lights, it's worth checking these drains too rather than assuming every water-related fault traces back to a single cause.
Peugeot 308 Tail Lights: More Wiring Behind There Than Most People Assume
The Peugeot 308's tail light unit combines several jobs in one housing — brake, indicator, reversing and rear fog light — so a single fault can knock out more than one function at once, and "the tail light's not working" isn't really one specific problem.
Peugeot 308 Tail Lights: What It Does
Beyond basic rear visibility, tail light units on the 308 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.
Fitment & Compatibility
Peugeot 308 Tail Lights: Generations & Tail Light Type
| Standard trims | Halogen bulb-based units as standard |
|---|---|
| Higher trims, later model years | LED tail lights become available further up the range, genuinely a different assembly and connector from the halogen units on lower trims |
Tail light design changed between generations of the 308, 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 Peugeot 308 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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Peugeot 308 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 Peugeot Tail Lights
The same part, covered across other Peugeot models.