Fiat 500 Brake Discs: Specs, Fitment & Wear Symptoms

A genuinely important point specific to this electric model: regenerative braking means the mechanical discs see less use, which can paradoxically make them more prone to surface corrosion between uses.

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

Find Fiat 500 Brake Discs Here!

Opens live listings in a new tab.

A Genuinely Useful Piece of Context Worth Knowing About Fiat's Braking History

Conventional Fiat models, including the older petrol 500 and Panda, have a well-documented history of brake corrosion issues traced specifically to the caliper's reaction frame — the bracket the pads slide within — being made from a low corrosion-resistant grade of cast iron. This is worth knowing as context on Fiat's broader braking system history, though it's worth confirming with a specialist whether this specific design and its associated corrosion pattern applies to this electric model's braking hardware, since the underlying platform and components differ considerably from the older petrol range.

A genuinely important point worth knowing specific to this electric model: because regenerative braking handles the majority of everyday slowing, the mechanical brakes and discs see considerably less use than on an equivalent petrol car — and less use generally means less opportunity for the natural braking friction to polish away surface corrosion that would otherwise develop. Worth being aware that infrequent mechanical brake use, while good for pad longevity, can paradoxically make discs more prone to surface corrosion if the car sits for extended periods without genuinely hard braking to clean the surfaces.

It's also worth knowing that brake disc corrosion generally worsens on any car that sits unused for extended periods, since regular driving and braking naturally polishes surface corrosion away before it becomes established — worth bearing this in mind regardless of which specific braking system your car has.

Fiat 500 Brake Discs: The Part That Pads Depend On

On the Fiat 500, discs and pads work as a pair, and neglecting one tends to accelerate wear on the other — which is exactly why worn discs so often get discovered during what was meant to be a routine pad change.

Before you buy: disc size and design can vary by trim. Always confirm against your VIN before ordering.

OEM Part Number: 155253667

Accuracy note: confirmed for the "FA1" chassis code, the current European electric 500 (2020 onward) this guide covers. As with pads, be aware that a US-market "Fiat 500e" exists as a separate, older car (2013-2019) with entirely different part numbers — always confirm the FA1 chassis code before ordering.

Front brake disc (FA1 chassis, 95hp)	Fiat OEM: 155253667 (also referenced as 155253689, 71770850)

Given the naming overlap with the older US electric 500, it's worth double-checking any listing explicitly confirms European FA1-chassis fitment, or cross-checking against your car's VIN, before ordering.

Fiat 500 Brake Discs: What They Do

Brake discs provide the surface the brake pads clamp against to slow the car, converting momentum into heat through friction. Regenerative braking handles much of everyday slowing on the electric 500, but the mechanical discs still need to be in good condition for hard braking and low-speed manoeuvring.

Find Fiat 500 Brake Discs Here!

Opens live listings in a new tab.

Fiat 500 Brake Discs: Wear Symptoms, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Brake Discs Guide for warning signs to watch for, confirming fitment against your VIN, and choosing a reliable aftermarket disc.

More Fiat Brake Discs

The same part, covered across other Fiat models.