Vauxhall Viva Spark Plugs: Intervals, Fitment & Warning Signs
On the Viva, two internally different versions of the genuine coil pack look identical externally — fitting the wrong one causes rapid re-failure.
Illustration for editorial purposes
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OEM Part Number: confirm via engine code — aftermarket NGK 94051 / Bosch 0 242 232 504
| Petrol engines in this generation | 1.0 73 HP; 1.0 75 HP; 1.0 LPG 73 HP (no engine codes given) |
|---|---|
| Spark plugs (aftermarket) | NGK 94051 (iridium, M12x1.25, hex 14); NGK 1497 (iridium, M14x1.25, hex 20.8); NGK 7348 (iridium, M14x1.25, hex 16); NGK 2623 (nickel, M14x1.25, hex 16); Champion OE258 (iridium, gap 0.7 mm, M12x1.25, hex 14); Champion CCH9804 (iridium, gap 0.8 mm, M14x1.25, 21 mm hex); Champion CCH400 (copper, gap 0.9 mm, M14x1.25, hex 16); Hella 8EH 188 869-531 (iridium, gap 0.85 mm, M12x1.25, hex 14) |
| Genuine (OE) numbers quoted | Kamoka 7090516 = 46759688 |
| Fitment notes | Two families are listed: M12x1.25 14 mm hex iridium plugs (NGK 94051, Champion OE258, Hella 8EH 188 869-531) and older M14x1.25 plugs with 20.8 or 21 mm hex (NGK 7811/5637/1497, Bosch 0 242 232 504, Champion CCH9804/OE048); the source does not say which suits the 1.0 engine, so confirm by engine. Copper is available in Champion CCH400 and OE048/R04 |
A Genuine Fitment Trap Worth Knowing on Replacement Coil Packs — Vauxhall Viva Spark Plugs
If you're replacing a coil pack, this is genuinely worth knowing beforehand: genuine Vauxhall coil packs exist in two internally different versions that look externally identical, and fitting the wrong one for your specific car results in premature failure shortly after fitting — a pattern reported repeatedly by owners who've replaced a coil pack only to have it fail again within a very short time. Always confirm the exact, correct part reference for your specific engine and build date via your VIN rather than assuming any coil pack that physically fits the socket is the right one.
Vauxhall Viva Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
On the Vauxhall Viva, 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.
Vauxhall Viva Spark Plugs: Watch: Replacing It
Viva is the Opel Karl/Chevy Spark platform; no Viva video found and engine match (1.0 vs 1.2/1.4) not confirmed - low confidence.
Vauxhall Viva Spark Plugs: What They Do
On the Vauxhall Viva, 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.
Vauxhall Viva Spark Plugs: Generations, Engines & Spark Plug Count
| Diesel variants (CDTi) | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| 1.0 Ecotec (petrol, confirmed engine code B10XE, where fitted) | Genuinely only 3 spark plugs — this three-cylinder engine is shared with the Corsa E, Adam and Viva, not a four-cylinder |
| 1.2/1.4/1.6 petrol (other standard trims) | 4 spark plugs — a conventional four-cylinder engine |
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Vauxhall Viva 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 Vauxhall Spark Plugs
The same part, covered across other Vauxhall models.