Parts Guide
FOG LIGHTS Subaru Impreza · PARTS GUIDE

Subaru Impreza Fog Lights: Specs, Fitment & Common Faults

On the Impreza, if only one fog light has genuinely failed while the other works, this already narrows the fault to that specific side.

Illustration of a fog light unit Illustration for editorial purposes

OEM Part Numbers

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

Rarely Used, Easy to Forget About Until Needed

Fog lights sit unused for most owners most of the year, which means a fault can go unnoticed for a long time — right up until a genuinely foggy morning makes the problem obvious at the worst possible moment.

Before you buy: fog light fitment and bulb type vary by trim — not every trim level includes them as standard. Always confirm against your VIN before ordering.

What It Does

Front fog lights are angled and positioned to illuminate the road surface in low visibility conditions without creating the glare a standard headlight beam would in fog. Some higher trims of the Impreza integrate fog lights into the same housing as cornering lights or daytime running lights, which affects both the part number and the complexity of any repair.

Subaru Impreza Fog Lights reference plate

Fitment & Compatibility

Generations & Fog Light Type

Standard trimsHalogen fog light bulb as standard
Higher trims, later model yearsLED fog lights become available further up the range, genuinely a different assembly and connector from the halogen units on lower trims

Not every trim level of the Impreza comes with fog lights fitted as standard, and the housing design often differs between trims that have them integrated with other lighting functions and those with a standalone unit. Always confirm your specific trim's fitment before ordering. Whether you're sourcing a replacement fog lights for your Subaru Impreza 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 Useful Diagnostic Technique Worth Knowing — Subaru Impreza Fog Lights

If only one fog light has stopped working while the other works perfectly, this is genuinely worth knowing: this already confirms the switch, main relay, and power reaching the fuses are all functioning correctly, since these are shared between both sides. This narrows a genuine fault down specifically to the bulb, socket, or wiring unique to the non-working side.

Worth knowing that on related Subaru models, fog lights and cruise control have been documented failing together due to a shared ground point connecting the two systems — worth checking this specific connection if you're facing what seems like two unrelated faults appearing at once.

It's also genuinely worth knowing that fog lights are designed to work specifically with low beams switched on, not with high beams or daytime running lights alone, unless the car has had aftermarket modifications made.

Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fog Lights Guide for common faults to check for (including exactly what fails an MOT), how easy this job is to DIY, and aftermarket advice.

More Subaru Fog Lights

The same part, covered across other Subaru models.