Car Parts Guide
TAIL LIGHTS Suzuki Swift · PARTS GUIDE

Suzuki Swift Tail Lights: Specs, Fitment & Common Faults

A genuinely distinctive, real case: a rear light found completely full of water with no visible damage at all — plus a genuinely important root-cause finding where persistent water ingress traced to a missing roof rail clip, not the light itself.

Illustration of a tail light unit Illustration for editorial purposes
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OEM Part Number: confirm via VIN — tail light (aftermarket) Diederichs 6416091 / Alkar 2251987

Accuracy note: Covers the Suzuki Swift (2017-) 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)Diederichs 6416091 (left, without bulb holder); Diederichs 6416093 (left, LED, with bulb holder); Alkar 2251987 (left, without bulb holder, right-hand pair 2252987)
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.

Suzuki Swift Tail Lights: More Wiring Behind There Than Most People Assume

The Suzuki Swift's 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.

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

Suzuki Swift Tail Lights: What It Does

Beyond basic rear visibility, tail light units on the Swift 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.

Suzuki Swift Tail Lights: Watch: Replacing It

🎬 Watch: Suzuki Swift Tail Light Cluster Removal & Bulb Change!

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Suzuki Swift Tail Lights reference plate

Fitment & Compatibility

Suzuki Swift Tail Lights: Generations & Tail Light Type

Standard trimsHalogen bulb-based units as standard
Higher trims, later model yearsLED 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 Swift, 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 Suzuki Swift 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 Distinctive, Real Case Worth Knowing About — Suzuki Swift Tail Lights

This is genuinely worth checking for proactively, even if nothing seems obviously wrong: one documented case on a 2018 Swift Sport found a rear light completely full of water, only noticed because of water audibly sloshing about when the car moved. Genuinely notable, this was found with no visible damage to the unit at all, leading the owner to suspect a possible design fault rather than impact damage or a simple seal failure — worth periodically checking for water pooling inside your own rear lights even if you haven't noticed any obvious symptoms, since this kind of fault can apparently develop without any visible external cause.

A genuinely important root-cause finding worth knowing before assuming the light itself is at fault: persistent water ingress and condensation inside the cabin isn't always caused by the light unit itself — one documented case on a related Swift saw ongoing condensation eventually traced to a missing plastic clip on the roof rail, allowing water to run down the interior pillar and pool directly in the rear footwell below, nowhere near the light itself. If you're chasing water ingress and it doesn't seem to be resolving despite attention to the light seal, it's worth checking the roof rail clips and trim for anything missing or damaged as a genuinely separate potential source.

It's also genuinely worth knowing a useful diagnostic point: there's no significant visible difference between air conditioning condensation and rainwater once it's pooling inside the car, so checking whether the air conditioning condensation drain is open and clear is a genuinely easy, quick thing to rule out before assuming a more complex bodywork leak is responsible.

Suzuki Swift 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 Suzuki Tail Lights

The same part, covered across other Suzuki models.