Toyota Yaris Tail Lights: Specs, Fitment & Common Faults
On the Yaris, never block a tail light's vent holes, even though it seems like a sensible way to keep moisture out.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — tail light (aftermarket) Van Wezel 5437931 / TYC 11-12228-05-2
| Tail lights (aftermarket) | Van Wezel 5437931 (left, without bulb holder, to 2014, right-hand pair 5437932); Van Wezel 5428935 (left, LED, without bulb holder, right-hand pair 5428936); TYC 11-12228-05-2 (left, with bulb holder); TYC 11-15124-06-2 (left, LED, without bulb holder) |
|---|---|
| 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. |
A Genuinely Important Warning Worth Knowing Before Attempting a DIY Fix — Toyota Yaris Tail Lights
Tail lights have small, deliberate vent holes built in specifically for pressure balance — never block or seal these, even if it seems like a sensible way to keep moisture out, since doing so can cause severe deformation or cracking of the housing instead. Light fogging that clears within a few hours, particularly after a wash or temperature change, is normal physics rather than a fault; only persistent water pooling or corrosion on the internal reflector genuinely needs addressing.
It's also worth knowing that a broken seal, rather than the light unit's design, is the most common genuine cause of persistent water ingress rather than simple condensation — worth distinguishing between the two before assuming a full replacement is necessary.
Toyota Yaris Tail Lights: More Wiring Behind There Than Most People Assume
The Toyota Yaris'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.
Toyota Yaris Tail Lights: Watch: Replacing It
This video is of an earlier generation of the same model; the job is similar but the light fittings and clips can differ slightly.
Toyota Yaris Tail Lights: What It Does
Beyond basic rear visibility, tail light units on the Yaris 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
Toyota Yaris Tail Lights: Generations & Tail Light Type
| Standard trims | Halogen bulb-based units as standard |
|---|---|
| Higher trims | LED tail lights or partial-LED (mixed function) units become available further up the range on later model years |
Tail light design changed between generations of the Yaris, 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 Toyota Yaris 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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Toyota Yaris 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 Toyota Tail Lights
The same part, covered across other Toyota models.