Renault Kadjar Tail Lights: Specs, Fitment & Common Faults

On the Kadjar, a genuinely important consumer point: a dealer reportedly waited for a warranty to expire before treating condensation as serious.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Renault Kadjar tail lights part number at the time of writing. Please confirm the correct part via a Renault dealer or parts specialist using your VIN.

A Genuinely Important Consumer Point Worth Knowing About Warranty Timing — Renault Kadjar Tail Lights

If you notice light condensation while your car is still within warranty, this is worth acting on promptly rather than waiting: one documented case saw a Clio owner's running light found "full of condensation" during a service on the very last day of a four-year warranty, only to be told by the dealer it "wasn't bad enough yet" to warrant fixing. If you notice genuine condensation building inside any light unit while still covered, it's worth raising it formally and in writing as early as possible.

Worth knowing this genuinely isn't limited to older models: real, current owner reports confirm this same condensation pattern occurring on brand-new Meganes, including a documented 2022 Megane RS owner describing it as "impossible to stop" in the front lights — a genuine, ongoing characteristic across the range rather than something confined to older, higher-mileage examples.

A genuinely useful benchmark worth knowing: light condensation that clears within around 3 hours of normal driving is widely considered normal for vented light units, but condensation noticeably worse after pressure washing specifically, or that persists well beyond this, is worth investigating for a genuine seal fault. It's also worth checking whether one side is consistently worse than the other — both sides being open equally but only one clouding up points toward a specific seal fault on that side.

More Wiring Behind There Than Most People Assume

A tail light unit typically bundles several functions into one housing — brake light, indicator, reversing light and rear fog light — which means a single electrical fault can affect more than one function at once, and a "faulty tail light" can mean several genuinely different things.

Renault Kadjar Tail Lights reference plate

Before you buy: tail light design and bulb type vary by trim and facelift status. Always confirm against your VIN before ordering.

What It Does

Beyond basic rear visibility, tail light units on the Kadjar 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

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 Kadjar, 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 Renault Kadjar 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.

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 Renault Tail Lights

The same part, covered across other Renault models.

Renault Kadjar Tail Lights: Specs, Fitment & Common Faults

OEM Part Numbers

A Genuinely Important Consumer Point Worth Knowing About Warranty Timing — Renault Kadjar Tail Lights

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