Dacia Sandero Radiator: Specs, Fitment & Common Faults

On the Sandero, a genuine, widely-documented thermostat housing fault comes with a real consumer grievance worth knowing.

Generation covered: this guide is for the third-generation Sandero (2020–present), with particular focus on 2020–2023 registered examples now old enough for parts to be a common search. Check your logbook or VIN if you're unsure which generation you have.

Illustration for editorial purposes

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Confirmed: A Genuine, Widely-Documented Thermostat Housing Fault — And a Real Consumer Grievance

If your car has a TCe petrol engine, this is genuinely worth knowing: the plastic thermostat housing on these engines has a well-documented tendency to crack or lift away from its gasket over time, causing coolant loss that can escalate to a serious leak. One genuinely alarming documented case on a related model saw the thermostat housing crack severely while driving on a motorway, emptying the entire cooling system. When the dealer diagnosed the cause, they refused warranty coverage, reportedly claiming this kind of failure "has never happened" — despite it being a widely reported, well-documented issue across owner forums for this exact engine.

A genuinely useful, free diagnostic technique worth trying first: rather than removing the engine undertray immediately, shine a torch up through the gaps toward the thermostat housing and look for visible staining, crusting, or wetness — this can often confirm a leak without needing to remove anything.

It's also worth knowing about a genuine false positive: air conditioning systems naturally produce condensation, which can drip onto the ground in a way that's easily mistaken for a coolant leak. If you're seeing wet patches but the coolant level isn't actually dropping, it's worth checking whether this is simply normal AC condensate first.

Dacia Sandero Radiator: The Part That Keeps Everything Else From Cooking

This isn't a part anyone gets excited about, but on the Dacia Sandero, overlooked cooling problems are responsible for most serious engine failures that aren't simple wear-and-tear. Catching the early symptoms is about the cheapest insurance available against a major bill later.

Before you buy: radiator size and design vary significantly by engine size, transmission type, and whether your car has air conditioning. Always confirm against your VIN before ordering.

Dacia Sandero Radiator: OEM Part Number

Manual gearbox, all engines	Standard radiator with no transmission cooling circuit
Automatic/EDC dual-clutch, all engines	A genuinely separate water-oil heat exchanger cools the transmission fluid, distinct from both the radiator itself and the separate engine oil cooler also present on many of these engines — confirmed as three distinct cooling components working together, not one radiator doing all the jobs

Accuracy note: genuinely worth knowing: radiator hose connection points and mounting brackets on the Sandero can differ subtly between facelifted and pre-facelift versions of the same generation, even when the core itself is unchanged.

The Sandero shares its CMF-B platform with the Renault Clio, so it's worth checking parts listings under both car names. Radiator specification varies between manual and CVT automatic versions due to the transmission cooling circuit, and again between naturally aspirated and turbocharged engines.

Dacia Sandero Radiator: What It Does

Keeping the Dacia Sandero's engine temperature within safe limits comes down to the radiator's job of transferring heat from the coolant into the surrounding air. Automatic-gearbox versions often build in a second circuit for transmission fluid cooling too, which is exactly why fitting the wrong part number can cause two problems, not one.

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Dacia Sandero Radiator: Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Radiator Guide for the three common failure modes, confirming fitment against your VIN, and OEM vs aftermarket guidance.

More Dacia Radiator

The same part, covered across other Dacia models.