Hyundai Kona Spark Plugs: Intervals, Fitment & Warning Signs
On the Kona, a documented case on a related model saw ceramic plug cracking and coil failures recur four separate times on the same car.
Illustration for editorial purposes
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OEM Part Number: confirm via engine code — aftermarket NGK 95448 / Bosch 0 242 135 548
| Petrol engines in this generation | 1.0 T-GDi 120 HP; 1.6 T-GDi 177 HP and 199 HP (also 4WD); 2.0 149 HP and 150 HP (also 4WD/AWD); 2.0 N 280 HP; mild hybrid 1.0 T-GDi 48V 120 HP; 1.6 GDi Hybrid 141 HP. No engine codes are given. |
|---|---|
| Spark plugs (aftermarket) | NGK 95448 (iridium, 0.9 mm gap, 16 mm hex, M12x1.25); NGK 97312 (iridium, 0.7 mm, M12x1.25); NGK 94595 (iridium, 0.8 mm, M12x1.25); NGK 93102 (iridium, 0.8 mm, M12x1.25); NGK 92995 (iridium, 1.1 mm, M12x1.25); Bosch 0 242 135 548 (1.0 mm, M12x1.25); Bosch 0 242 145 510 (0.7 mm, M12x1.25); Denso IXUH22FTT (iridium centre, platinum earth electrode, M12x1.25) |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine plugs against your VIN / engine code |
| Fitment notes | Every plug listed for the Kona is a 16 mm hex M12x1.25 fine-wire iridium type (the Champion OE250 and a few Bosch/Ridex nickel items are M14x1.25 and should not be assumed to fit); the plugs are listed for the whole range rather than per engine, so confirm the exact plug against the engine (1.0 T-GDi, 1.6 T-GDi or 2.0) before buying; no change interval is given. |
A Genuinely Distinctive, Real Case Worth Knowing About — Hyundai Kona Spark Plugs
This is genuinely worth knowing if you're facing a recurring plug or coil fault that seems to keep coming back: one documented case on a related model saw ceramic spark plugs cracking and causing misfires, alongside ignition coil failures, recur four separate times on the same car, with each instance replaced under warranty only for the fault to return.
It's also worth knowing a genuinely useful distinction: unlike spark plugs, which are a genuine, expected consumable, ignition coils are not considered a standard wear-and-tear part — worth pushing back if a dealer tries to dismiss a coil failure as simply expected wear.
Hyundai Kona Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
On the Hyundai Kona, 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.
Hyundai Kona Spark Plugs: Watch: Replacing It
2019 Kona; for 1.0 T-GDI see gLtlnc2NpBM (i10/i20/i30/Kona).
Hyundai Kona Spark Plugs: What They Do
On the Hyundai Kona, 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.
Hyundai Kona Spark Plugs: Generations & Spark Plug Count
| Diesel variants | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| Petrol variants (all trims) | 4 spark plugs — one per cylinder |
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Hyundai Kona 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 Hyundai Spark Plugs
The same part, covered across other Hyundai models.