Skoda Superb Spark Plugs: Intervals, Fitment & Warning Signs
On the Superb, a real story shows why the coil-swap test needs doing properly — a first garage's diagnosis wrongly cleared the coils, a second found and fixed the fault in 45 minutes.
Illustration for editorial purposes
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OEM Part Number: confirm via engine code — aftermarket NGK 97124 / Bosch 0 241 145 525
| Petrol engines in this generation | 1.4 TSI 125 hp and other petrol, diesel and petrol/electric variants given by power only; no engine codes given |
|---|---|
| Spark plugs (aftermarket) | NGK stock no. 95929 (iridium, 0.8 mm gap, M12x1.25, 16 mm hex); NGK 97124 (platinum, M12x1.25); NGK 95463 (platinum, M12x1.25); NGK 93231 (platinum, M12x1.25); NGK 94833 (platinum, M14x1.25); Bosch 0 241 145 525 (0.75 mm gap, M12x1.25); Bosch 0 241 245 677 (0.65 mm gap, M14x1.25); Bosch 0 241 245 673 (0.7 mm gap, M14x1.25) |
| Genuine (OE) numbers quoted | 06K 905 601 B (quoted against Kamoka 7090007) |
| Fitment notes | Both M12x1.25 and M14x1.25 plug families are listed, so the engine decides which applies; the iridium NGK 95929 is the standard M12 fit. Brisk 2162 quotes a 100,000 km replacement interval. Denso is not listed. |
A Genuine Story Worth Knowing Before Paying for Misfire Diagnostics — Skoda Superb Spark Plugs
A genuinely instructive, real story worth knowing before paying for diagnostics: one owner's first garage charged a diagnostic fee, ran a quick check, and declared the coil packs "fine" — but the misfire persisted. A second garage, given only the symptoms and no mention of the previous diagnosis, properly swapped the coil packs and spark plugs between cylinders and had the fault correctly identified and fixed within 45 minutes, for £181 including labour, a new coilpack, and a fresh set of plugs. The owner was left writing to the first garage requesting a refund of their diagnostic charge, since a properly performed coil-swap test would have shown exactly where the fault was the first time round. If a garage tells you coils and plugs have been "checked" and ruled out, it's worth asking specifically whether they physically swapped components between cylinders and watched whether the fault code followed — a quick visual inspection alone often isn't enough to catch this.
Skoda Superb Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
On the Skoda Superb, spark plug wear tends to creep in quietly — idle gets a little rougher, throttle response softens slightly — the kind of symptoms that get blamed on almost anything else under the bonnet. Given how cheap the part itself is, it's an easy one to put off for longer than makes sense.
Skoda Superb Spark Plugs: Watch: Replacing It
Superb Mk3 1.8 TSI
Skoda Superb Spark Plugs: What They Do
Inside each cylinder of the Skoda Superb, spark plugs ignite the compressed fuel-air mixture, and their condition has a direct effect on combustion efficiency, fuel economy and how smoothly the engine runs. Petrol engines can't function without them; diesels don't use spark plugs, relying on compression alone to ignite fuel.
Skoda Superb Spark Plugs: Generations, Engines & Spark Plug Count
| Diesel variants (TDI and similar) | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| Petrol four-cylinder (most trims, TSI) | 4 spark plugs — one per cylinder |
| 3.6 V6 FSI (2008–2015, range-topping trim) | Genuinely 6 spark plugs — a completely different engine family from the standard four-cylinder TSI units, paired with 4x4 drive; confirm your exact engine before ordering, since this was a specific, relatively rare range-topping option rather than a mainstream fitment |
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Skoda Superb 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 Skoda Spark Plugs
The same part, covered across other Skoda models.