Fiat 500 (Petrol) Timing Belt: Intervals, Fitment & Warning Signs

A genuinely important distinction: the TwinAir uses a timing chain designed to last the car's life, while the conventional 1.2 Fire uses a belt needing replacement every 4-6 years.

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 of a timing belt and pulleys

Illustration for editorial purposes

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OEM Part Number: 95518770

Genuinely important to know: the 1.3 Multijet diesel is timing-chain driven, not belt driven — a genuine, well-documented exception, and this chain kit is shared platform-wide with the Vauxhall Corsa/Astra/Meriva, Ford Ka, Suzuki Ignis, Citroen Nemo, and Alfa Romeo Mito, since all badge-share this diesel engine across GM/Fiat's cooperation. Petrol engines are generally chain-driven too on recent models — confirm your exact engine before assuming any belt interval applies.

1.3 Multijet diesel, timing CHAIN kit (not belt)	Genuine reference: 95518770 — shared with Vauxhall Corsa/Astra/Meriva, Ford Ka, Suzuki Ignis, Alfa Romeo Mito

A Genuinely Important Distinction Worth Knowing About Which Engine You Have — Fiat 500 (Petrol) Timing Belt

This is genuinely worth knowing before assuming a fixed replacement interval applies: the TwinAir engine uses a timing chain, genuinely designed to last the life of the car, whereas the conventional 1.2-litre Fire petrol engine uses a timing belt requiring replacement roughly every four to six years. It's genuinely worth confirming which specific engine your car has rather than guessing based on the model name alone.

A genuinely honest, real root cause worth knowing on diesel Multijet variants specifically: documented cases of a snapped timing chain on the diesel engine have been traced to a combination of infrequent oil changes, a malfunctioning chain tensioner, and in some cases loose tensioner bolts. TwinAir petrol owners report essentially no equivalent chain issues, suggesting this risk is concentrated specifically in the diesel variant.

It's also genuinely worth knowing an honest DIY difficulty warning if you're facing a timing chain cover oil leak on the TwinAir: reaching the cover requires removing the cam cover, engine mount, water pump, belt, tensioner, and idler pulley — a genuinely major undertaking rather than a quick job.

Fiat 500 (Petrol) Timing Belt reference plate

Fiat 500 (Petrol) Timing Belt: The Part Where Missing a Deadline Gets Expensive

Few maintenance items on the Fiat 500 (Petrol) carry as much downside risk for skipping them. On the engines where this component fails, the consequences typically extend well beyond the part itself, which is exactly why sticking to the schedule matters more here than almost anywhere else on the car.

Before you buy: some engines in the 500 (Petrol) range use a timing belt, others use a timing chain with different maintenance needs entirely. Always confirm which system your specific engine uses via your VIN before assuming a service interval.

Fiat 500 (Petrol) Timing Belt: What It Does

The Fiat 500 (Petrol)'s timing belt or chain keeps the engine's camshafts and crankshaft rotating in precise synchronisation, ensuring valves open and close at exactly the right moment relative to piston position. On many engines, this is what's known as an "interference" design — if the belt fails, the pistons and valves can collide, causing serious internal engine damage.

Fiat 500 (Petrol) Timing Belt: Generations & Engines: Belt or Chain

2007–present, 1.2/1.4 petrol	Timing chain — no scheduled replacement interval
2007–present, 1.3 Multijet diesel	Timing chain — see confirmation above
Abarth 595/695, 1.4 T-Jet turbo	Timing belt — genuine exception, conventional dry belt

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Fiat 500 (Petrol) Timing Belt: Generations & Engines: Belt or Chain

312 (2007–present), 0.9 TwinAir & 1.2/1.4 petrol	Timing belt — conventional dry belt
312, 1.3 Multijet diesel	Timing chain — see confirmation above

Fiat 500 (Petrol) Timing Belt: Watch: Replacing It

🎬 Watch: Fiat/Abarth 1.4 MultiAir timing belt & water pump replacement

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This covers the belt-driven petrol MultiAir range. The 1.3 Multijet diesel is chain-driven and doesn't need this procedure — see confirmation above.

Fiat 500 (Petrol) Timing Belt: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Timing Belt Guide for symptoms to watch for, confirming fitment against your VIN, and which aftermarket brands are worth trusting.

More Fiat Timing Belt

The same part, covered across other Fiat models.