Suzuki Ignis Spark Plugs: Intervals, Fitment & Warning Signs
On the Ignis, a persistent misfire on related models that survives fresh plugs and coils can genuinely lead to broad, expensive bundled quotes worth questioning.
Illustration for editorial purposes
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OEM Part Number: confirm via engine code — aftermarket NGK 1496 / Bosch 0 242 129 524
| Petrol engines in this generation | 1.2 (82 to 91 hp), engine codes ATK412, ATM412 and FF21S (hybrid) |
|---|---|
| Spark plugs (aftermarket) | NGK stock no. 97345 (iridium, 1.1 mm gap, M12x1.25, 16 mm hex, 5 kOhm suppression); Bosch 0 242 129 524 (1.0 mm gap, M12x1.25, 16 mm hex); Denso VXUH20I (iridium centre, platinum earth, M12x1.25); Champion CCH9023 (iridium, 1.0 mm gap, M12x1.25, 16 mm hex); Beru UPT12P (platinum, 0.75 mm gap, M14x1.25, 16 mm hex); NGK 1496 (M14x1.25, LPG/CNG type, 60,000 km interval) |
| Genuine (OE) numbers quoted | 98079-5614E (Denso K20PR-U11, M14x1.25 nickel) |
| Fitment notes | The 1.2 K12 engines take long-reach iridium M12x1.25 plugs with a 16 mm hex; the M14x1.25 plugs listed are for other applications. NGK 1496 quotes a 60,000 km interval and Brisk 1961 quotes 100,000 km. |
Suzuki Ignis Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
On the Suzuki Ignis, there's rarely a clear signal when spark plugs wear out — just a rougher idle, marginally less pep off the line — vague enough to get pinned on other engine issues. Since the part costs so little, it's also one of the easiest things to keep putting off.
Suzuki Ignis Spark Plugs: What They Do
On the Suzuki Ignis, combustion efficiency, fuel economy and smooth running all trace back to spark plug condition, since these are what ignite the compressed fuel-air mixture in each cylinder. Petrol engines depend on them entirely — diesels skip spark plugs altogether, igniting fuel through compression instead.
Suzuki Ignis Spark Plugs: Generations & Spark Plug Count
| Diesel variants, where fitted | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| Petrol variants (K10B, K12B, K14C and similar) | 4 spark plugs — Suzuki's small-capacity K-series petrol engines are genuinely four-cylinder despite the compact "K10/K12" naming, unlike some rivals' similarly small-displacement engines that use 3 cylinders |
Suzuki Ignis Spark Plugs: Watch: Replacing It
Ignis; generation not stated in title (could be older Mk1/Mk2)
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A Genuinely Honest, Real Account Worth Knowing About — Suzuki Ignis Spark Plugs
If you're facing a persistent misfire that keeps returning despite fresh plugs and coils, this is genuinely worth knowing: documented cases on related Suzuki models describe exactly this pattern, with dealers eventually proposing broad, expensive quotes bundling several unrelated-seeming components together for what started as a straightforward misfire. It's genuinely worth asking directly why each specific component is being blamed rather than accepting a bundled quote without question.
It's also genuinely worth knowing that Suzuki's small turbocharged Boosterjet engines use iridium plugs that shouldn't need changing for at least three to four years under normal use, worth bearing in mind if a garage suggests replacing plugs unusually early as part of a misfire diagnosis.
Suzuki Ignis 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 Suzuki Spark Plugs
The same part, covered across other Suzuki models.