Toyota Aygo Timing Belt: Intervals, Fitment & Warning Signs

On the Aygo, belt vs chain genuinely varies by generation on Toyota's engines — worth confirming directly rather than assuming.

Illustration of a timing belt and pulleys

Illustration for editorial purposes

Find Toyota Aygo Timing Belt Here!

Opens live listings in a new tab.

OEM Part Number: 13591-0Q010

Genuinely important to know: the 1.0L petrol (1KR-FE, both generations) is timing-chain driven — Toyota never fitted the Aygo with a belt-driven petrol engine, unlike some related-platform siblings. The older 1.4 D-4D diesel (2WZ-TV, discontinued around 2007) is the one genuine exception, using a real belt with a scheduled interval — a genuinely expensive engine-out job. Low-mileage chain guide/tensioner wear has been documented as an occasional issue on the 1KR-FE, usually linked to missed oil changes.

1.0L petrol (1KR-FE), timing chain kit — no scheduled belt interval	Genuine reference: 13591-0Q010 (chain), 13566-0Q010 (guide), 13540-0Q010 (tensioner) — shared with Citroen C1, Peugeot 107/108 of the same generation

A Genuinely Important Confirmation Worth Making First — Toyota Aygo Timing Belt

Before assuming which system your car has, this is genuinely worth confirming directly against your exact engine and build date: Toyota's engines transitioned from belt to chain-driven timing systems across different generations, and getting this wrong risks either an unnecessary service or missing a genuine belt replacement that was actually due. If there's no clear record in the service history of which system your car has, confirming via the engine code rather than guessing based on age alone is worth doing.

A genuinely important warning worth knowing if attempting DIY timing work: Toyota's engines are commonly interference designs, meaning a small timing error during a DIY belt or chain job can cause the pistons and valves to collide, causing severe internal damage. One documented case saw exactly this happen to an experienced DIYer on a related Toyota model after a timing chain replacement, due to a marks error during reassembly.

It's also worth knowing that timing chains generally don't have a fixed replacement interval the way belts do — they typically show clear warning signs, particularly a rattle at cold start, well before genuine failure.

Toyota Aygo Timing Belt: The Part Where Missing a Deadline Gets Expensive

Very few parts on the Toyota Aygo carry as much risk for neglect as this one does. When it fails on the affected engines, the damage typically isn't contained to the part itself, which is exactly why keeping to schedule matters more here than almost anywhere else.

Before you buy: some engines in the Aygo 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.

Toyota Aygo Timing Belt: What It Does

Exact synchronisation between camshaft and crankshaft rotation — that's what the Toyota Aygo's timing belt or chain delivers, timing valve movement to piston position down to the degree. Many engines use an "interference" design, meaning a snapped belt allows pistons and valves to collide, causing serious damage inside the engine.

Toyota Aygo Timing Belt: Generations & Engines: Belt or Chain

2005–2022, 1.0 petrol (1KR-FE, both generations)	Timing chain — see confirmation above
2005–2007, 1.4 D-4D diesel (2WZ-TV)	Timing belt — a genuine, discontinued exception

Find Toyota Aygo Timing Belt Here!

Opens live listings in a new tab.

Toyota Aygo 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 Toyota Timing Belt

The same part, covered across other Toyota models.