Dacia Logan MCV Spark Plugs: Intervals, Fitment & Warning Signs

On the Logan MCV, a genuine fitment trap: NGK replacement coils are rated 14V versus the original 12V units.

Illustration for editorial purposes

Opens live listings in a new tab.

Dacia Logan MCV Spark Plugs: OEM Part Number

Accuracy note: we weren't able to verify a confident Dacia Logan MCV spark plugs part number at the time of writing. Please confirm the correct part via a Dacia dealer or parts specialist using your VIN.

A Genuine Fitment Trap Worth Knowing Before Ordering Replacement Coils — Dacia Logan MCV Spark Plugs

If you're replacing ignition coils and considering NGK as an alternative to the original fitment, this is genuinely worth knowing: one documented case found NGK replacement coils specified as 14V, while the original factory-fitted Hitachi units were rated at 12V — a genuine voltage mismatch that may explain compatibility issues some owners have experienced when mixing brands.

A genuine, specific fix worth knowing if you find water inside the spark plug wells: disconnect the coil connector, remove the retaining bolt carefully, and allow the well and coil around 15 minutes to dry out completely. While waiting, remove, clean, and check the gap on the spark plugs themselves, then clean the coil's connector contacts with proper electrical contact cleaner before refitting everything.

It's also worth knowing why 3-cylinder engines often have a shorter plug replacement interval than you might expect on a low-mileage car: with fewer cylinders sharing the workload, each spark plug fires more frequently per crankshaft revolution, accelerating wear even at modest annual mileage.

Dacia Logan MCV Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems

A worn set of spark plugs in the Dacia Logan MCV doesn't make itself obvious: idle roughens slightly, acceleration loses a bit of urgency, and both symptoms are easy to blame on something else entirely. Given how inexpensive the part is, it often gets neglected for far longer than it should.

Dacia Logan MCV Spark Plugs reference plate

Before you buy: plug type and gap specification vary by engine size and generation. Always confirm against your VIN before ordering.

Dacia Logan MCV Spark Plugs: What They Do

Every combustion cycle in the Dacia Logan MCV's petrol engine starts with a spark plug igniting the compressed fuel-air mixture, and their condition shapes efficiency, economy and smoothness directly. Diesel versions don't need them at all, relying purely on compression to ignite fuel.

Dacia Logan MCV Spark Plugs: Generations, Engines & Spark Plug Count

Diesel variants (dCi)	Not applicable — diesel engines use compression ignition and have no spark plugs at all
0.9/1.0 TCe/SCe (standard petrol trims)	Genuinely only 3 spark plugs — this small turbocharged engine (co-developed with Nissan) is shared across Renault, Dacia and even some Smart models, not a four-cylinder
1.3 TCe (higher trims, RS Line and similar)	Genuinely 4 spark plugs — this larger engine (co-developed with Mercedes-Benz) is a completely different unit from the smaller 3-cylinder TCe, despite both sharing the "TCe" badge; confirm your exact engine before ordering

Find Dacia Logan MCV Spark Plugs Here!

Opens live listings in a new tab.

Dacia Logan MCV Spark Plugs: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Spark Plugs Guide for symptoms of worn plugs, why matching your exact plug specification matters, and trusted brands to buy from.

More Dacia Spark Plugs

The same part, covered across other Dacia models.