Fiat 500 (Petrol) Fog Lights: Specs, Fitment & Common Faults

On the classic petrol 500, a rear fog light on a related model was genuinely configured as the wrong side in software until switched — oddly affecting window direction too.

Generation covered: this guide is for the classic petrol/hybrid 500 (2007–2024) — not the fully electric 500e (2020–present), which is a completely different car sharing no mechanical parts despite the similar styling. Check your logbook or VIN, or confirm whether your car has an engine or an electric motor, if you're unsure which one you have.

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — aftermarket TYC 19-0688-05-2 / TYC 19-0687-05-2

Accuracy note: Covers the Fiat 500 (Petrol) (2007- petrol 500) as listed in the UK aftermarket catalogues. Front fog lights are sold by side on some cars and as a one-size-fits-either-side lamp on others, and the bulb (H11, H8, H16, HB4, H3) and any cornering-light or LED DRL function change the part number. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Check whether your trim had fog lights fitted at all (many base trims use a blanking panel), confirm the bulb type against the old lamp, and watch for lamps marked left-hand-drive only.

Fog light, passenger side (LH / nearside) — aftermarket	Van Wezel 1614995 (H3, PK22s, pairs with 1614996); TYC 19-0688-05-2 (H3, ECE approved); TYC 19-0688-15-2 (H3); Diederichs 3405089 (H3, made by Depo/TYC); Johns 30 03 29 (H3, pairs with 30 03 30); Van Wezel 1604997 (H3, not for facelift, pairs with 1604998)
Fog light, driver's side (RH / offside) — aftermarket	Van Wezel 1614996 (H3, PK22s); TYC 19-0687-05-2 (H3, ECE approved); TYC 19-0687-15-2 (H3); Diederichs 3405088 (H3, made by Depo/TYC); Johns 30 03 30 (H3); Van Wezel 1604998 (H3, not for facelift)
Bulb types	H3 (PK22s); H11 (PGJ19-2) on chrome-housing lamps; H1
Genuine (OE) numbers quoted	None quoted in catalogue listings — order genuine units against your VIN
Fitment notes	H3 is the standard fitment on pre-facelift cars; later cars use H11 lamps (Van Wezel 1619999 / 1619999V, Valeo 044185 with bulb for cars with dynamic bending light, fits either side); no dedicated cornering versions are listed.

A Genuinely Bizarre, Real Software Mismatch Worth Knowing About — Fiat 500 (Petrol) Fog Lights

This is genuinely worth knowing if a rear fog light won't work despite the bulb, wiring, and fuse all testing fine: one documented case on a related model found the rear fog light had been configured in the car's diagnostic software as "right hand," despite being physically fitted on the right side — switching this setting to "left hand" made the light work correctly. Oddly, this same setting was also found to affect which direction the power windows operated in reverse.

A genuinely useful, real diagnostic technique worth trying: directly firing the fog light relay using a simple 9V battery can help isolate where a fault genuinely lies — if the lights come on this way, the fault is between the relay and the bulb; if not, it lies before the relay.

It's also genuinely worth knowing about a real, documented fault worth ruling out: one case saw testing at the bulb holder reveal virtually no voltage, eventually traced to a fault with the Body Control Module itself rather than anything simpler.

Fiat 500 (Petrol) Fog Lights: Watch: Replacing It

🎬 Watch: Fiat 500 (2007-2014) Easy Fog Light Replacement

Watch on YouTube ↗

also https://www.youtube.com/watch?v=T-jr6Zvzds4 (fog bulb, Abarth)

Fiat 500 (Petrol) Fog Lights reference plate

Fiat 500 (Petrol) Fog Lights: Rarely Used, Easy to Forget About Until Needed

The Fiat 500 (Petrol)'s fog lights sit idle for the vast majority of owners most of the year, which is exactly why a fault can go undetected for months — surfacing only on the one properly foggy morning when it matters most.

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.

Fiat 500 (Petrol) Fog Lights: 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 500 (Petrol) 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.

Fitment & Compatibility

Fiat 500 (Petrol) Fog Lights: Generations & Fog Light Type

Standard trims	Halogen fog light bulb as standard
Higher trims, later model years	LED 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 500 (Petrol) 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 Fiat 500 (Petrol) 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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Fiat 500 (Petrol) Fog Lights: 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 Fiat Fog Lights

The same part, covered across other Fiat models.