Car Parts Guide
TAIL LIGHTS Ford Mondeo · PARTS GUIDE

Ford Mondeo Tail Lights: Specs, Fitment & Common Faults

Ford's own handbook confirms some tail light condensation is normal by design — here's the real distinction that actually matters.

Illustration of a tail light unit Illustration for editorial purposes
Find Ford Mondeo Tail Lights Here!

Opens live listings in a new tab.

OEM Part Number: confirm via VIN — tail light (aftermarket) Van Wezel 1883921 / Diederichs 1429291

Accuracy note: Covers the Ford Mondeo (Mk5 2014-2022) as listed in the UK aftermarket catalogues. Tail lights are handed (left and right are different parts) and the right one depends on whether your car has bulb or LED units, whether the cluster comes with its bulb holder, the body style and the facelift date. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives, and shown for the left-hand light with its right-hand pair where the catalogue names one. Carmakers rarely publish the genuine number against these, so order a genuine light against your VIN if you want a guaranteed match; if the unit on your car has a separate inner light on the tailgate, that is sold as its own part.
Tail lights (aftermarket)Van Wezel 1883921 (left, LED, without bulb holder, to 2019, outer section, right-hand pair 1883922); Diederichs 1429291 (left, LED, without bulb holder, to 2019, outer section, right-hand pair 1429290); Alkar 2001378 (left, LED, with bulb holder, outer section); Magneti Marelli 714021040751 (left, LED, inner section, right-hand pair 714021040852)
Genuine (OE) numbers quotedNone 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 notesLeft and right are separate parts; check LED or bulb type, whether the bulb holder is included, body style and facelift date before ordering.

Ford's Own Handbook Confirms Some Condensation Is Normal

Worth knowing before assuming a fault: Ford's owner handbook explicitly states that condensation in exterior front and rear lamps is normal, since the units include vents designed to accommodate everyday humidity changes. Light misting that appears after washing, in rain, or overnight, then clears within a few hours as the light warms up or the car's been driven, is genuinely nothing to worry about. What actually indicates a real problem: a persistent pool of standing water at the bottom of the unit, moisture that doesn't clear after several hours in the sun, or condensation that gets worse over time rather than clearing — this points to genuine water ingress from a failed seal, worth having inspected rather than dismissed as normal venting behaviour.

Ford Mondeo Tail Lights: More Wiring Behind There Than Most People Assume

The Ford Mondeo's tail lights pack brake, indicator, reversing and rear fog functions into a single unit, so a fault in the wiring or housing can affect several of them simultaneously — meaning "the tail light's broken" could describe quite different underlying problems.

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

Ford Mondeo Tail Lights: Watch: Replacing It

🎬 Watch: Ford Mondeo Mk4 - Rear lights replace, Boot Struts and Clutch peddle rubber

Watch on YouTube ↗

This video is of an earlier generation of the same model; the job is similar but the light fittings and clips can differ slightly.

Ford Mondeo Tail Lights reference plate

Ford Mondeo Tail Lights: What It Does

Beyond basic rear visibility, tail light units on the Mondeo 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

Ford Mondeo Tail Lights: Generations, Derivatives & Tail Light Type

Mk4, standard trimsHalogen bulb-based units as standard
Mk5, standard trimsHalogen remains common even on well-equipped trims
VignaleLED tail lights with a distinct light signature are associated with this top trim, genuinely different from the halogen units on lower trims

Tail light design changed between generations of the Mondeo, 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 Ford Mondeo 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.

Find Ford Mondeo Tail Lights Here!

Opens live listings in a new tab.

Ford Mondeo 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 Ford Tail Lights

The same part, covered across other Ford models.