Fiat 500 Grille: Fitment, Sensors & Common Damage

A genuinely important warning: using a cheap generic OBD scanner on a radar/ADAS fault can remove a software override and cause a warning light every drive afterward — plus a diagnostic principle for multiple, seemingly unrelated faults.

Generation covered: this guide is for the fully electric Fiat 500 (2020–present), with particular focus on 2020–2023 registered examples now old enough for parts to be a common search. This is an entirely different car from the previous petrol 500 (2007–2024), sharing no mechanical parts with it despite the similar styling — check your logbook or VIN if you're unsure which one you have.

Illustration for editorial purposes

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A Genuinely Important Warning Worth Knowing Before Using a Cheap OBD Scanner

If radar-based systems, such as adaptive cruise control, aren't functioning correctly on this electric model, this is genuinely worth knowing before reaching for a cheap generic OBD scanner: documented cases on related Fiat models have seen a generic scanner's protocol remove a software override that had been keeping certain non-functional ADAS systems quiet, resulting in a warning message and check engine light every time the car was driven afterward. It's genuinely worth using Fiat-specific diagnostic software rather than a cheap generic scanner if you're dealing with a known ADAS fault.

A genuinely important diagnostic principle worth knowing if facing multiple, seemingly unrelated electrical faults together: this pattern often points toward a fundamental earth or negative battery connection issue affecting the whole electrical system, rather than each fault being genuinely separate — worth checking battery negative connections and earth straps as a starting point, particularly relevant on a car with as many interconnected electronic systems as this one.

It's also genuinely worth knowing an honest, real account worth bearing in mind before authorising major repair work: documented cases on related Fiat models have seen dealers replace expensive components trying to resolve an intermittent fault, only for the actual cause to turn out to be a single, genuinely cheap sensor sending incorrect information — worth asking whether cheaper components have been properly ruled out first.

Fiat 500 Grille: Cosmetic on the Surface, Functional Underneath

Treating the Fiat 500's grille as a purely cosmetic part is a common mistake — it also manages radiator airflow, and on many newer models incorporates or surrounds the sensors for adaptive cruise or parking assistance. That functional role is exactly why the correct part number matters more than it might seem.

Before you buy: grille design varies significantly by trim, and higher trims may integrate radar or camera sensors behind or within the grille itself. Always confirm against your VIN before ordering.

Fiat 500 Grille: Watch: Fitting It

🎬 Watch: FIAT 500 ABARTH CAVALLINO GRILL INSTALL!!

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This video is of an earlier generation of the same model; the clips and fixings can differ slightly on yours.

OEM Part Number: confirm via VIN — front bumper grille (aftermarket) Van Wezel 1648590 / Prasco FT0342120

Accuracy note: Covers the Fiat 500 (500e 2020- (if absent use 500 2007-)) as listed in the UK aftermarket catalogues. Grilles are sold by trim and facelift, and many generations had different grilles for base, mid and top trims, with or without a radar or camera opening. Where the catalogue splits a grille into left and right or upper and lower sections, buy both halves if both are damaged. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives; carmakers rarely publish the genuine number against these, so match a genuine grille against your VIN if you want a guaranteed fit.

Front bumper grille (aftermarket)	Van Wezel 1648590 (front, grey); Prasco FT0342120 (front)
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine grille varies by trim level, facelift and sensor options, so order it against your VIN

Since the 500e is fully electric, there's no traditional engine-cooling grille — the front panel is largely a styling element with smaller functional openings for battery and brake cooling, genuinely different from the older petrol 500's grille despite similar overall looks.

Fiat 500 Grille: What It Does

Beyond styling, the grille on the 500 directs airflow to the radiator and, on trims equipped with adaptive cruise control, may house or sit directly in front of the radar sensor used for that system. A grille that looks compatible but lacks the correct sensor cutout can interfere with these systems even if it fits physically.

Fiat 500 Grille: Generations, Derivatives & Grille Finish

Standard trims (Pop/Lounge)	Chrome or body-colour trim, not honeycomb
Sport Black trim	Black-trimmed grille and fog lamps as part of a wider blackout appearance package, paired with body-colour bumpers rather than a full black bumper
Abarth	Genuine honeycomb mesh grille integrated into the front bumper, a completely different design from standard trim, not just a colour change

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Fiat 500 Grille: Common Damage, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Grille Guide for common damage types, confirming trim-specific fitment, how difficult this job is to DIY, and the ADAS calibration risk with sensor-equipped grilles.

More Fiat Grille

The same part, covered across other Fiat models.