Affiliate disclosure: this page contains affiliate links, including Amazon links marked “Check Price” / “View on Amazon” / “Search on Amazon”. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. How this works.
Most common fit — Honda Civic: NGK ILZKAR8J8SY — gap 0.8 mm, 4 needed. Search on Amazon
Spark plugs are set by the engine, not the model badge — the full per-engine breakdown, the diesel and electric variants and our sourcing notes are below.
Spark Plug Specifications
No single spark plug covers the Honda Civic. The table below gives the plug for each engine in the range, because the plug follows the engine, not the model badge. Check which engine you have before ordering — the parts are not interchangeable, and on several cars in this class the gap differs too.
| Engine | Spark plug | Electrode gap | Plugs needed | OE number |
|---|---|---|---|---|
| 2.0 e:HEV LFC1 | NGK ILZKAR8J8SY (95660) | 0.8 mm | 4 | 12290-5PA-A01 |
| 2.0 Type R K20C1 | NGK ILZKAR8J8SY (95660) — medium confidence, single source | 0.8 mm | 4 | No data available |
Recommended Spark Plugs for Honda Civic
As an Amazon Associate we earn from qualifying purchases. Always confirm the exact fitment for your model & year before buying.
- Commonly mis-listed: NGK DILKAR7G-11GS. It is not tied to any Civic XI engine, so it is not the right part for this car.
Checked against: NGK, Denso, Bosch and Champion catalogue data via the TecDoc-derived application database, cross-checked against manufacturer OE numbers where those are published.
A note on quantity: the catalogue quantity field is unreliable — it prints 4 for a number of three-cylinder engines. The quantities in the table above have been corrected to the actual cylinder count.
Diesels and Electric Variants
Every UK variant of the Honda Civic in this generation is petrol or petrol-hybrid, so every engine in the table takes spark plugs. There is no diesel or battery-electric variant to account for.
Recommended Spark Plugs
NGK ILZKAR8J8SY
Order by stock number
Buy a full set
How Often to Change Them
We are not publishing a mileage figure for this car, because we could not source one. No manufacturer service interval was found for any of the vehicles in this guide, and we will not print a number we cannot attribute.
The figures that circulate online mostly come from parts-catalogue “recommended intervals”, and those contradict each other on cars that share an engine — the same 1.0 T-GDi appears at 75,000 km on one model page and 30,000 km on another; the same Stellantis 1.2 turbo appears at 10,000 km on one and 30,000 km on another. Those are catalogue defaults, not manufacturer schedules, and quoting them as though they were would be dishonest.
The figure that governs your car is in the service schedule in the handbook, or in the manufacturer’s online service planner. As a practical matter, replace plugs sooner than the schedule if the engine misfires under load, idles roughly, is slow to start, or fuel consumption has crept up without another explanation.
Frequently Asked Questions
What spark plugs does a Honda Civic use?
The Honda Civic takes NGK ILZKAR8J8SY (NGK ILZKAR8J8SY (95660)), gapped at 0.8 mm, 4 needed.
How many spark plugs does a Honda Civic need?
4 — one per cylinder.
Do diesel Honda Civic models use spark plugs?
There is no diesel variant of this car in the range covered here, so the question does not arise. In general, though, diesels use glow plugs rather than spark plugs — glow plugs are heaters for cold starting, not igniters.
How often should spark plugs be changed on a Honda Civic?
Follow the service schedule in your handbook. We deliberately do not publish a mileage figure here: no manufacturer interval could be sourced for this car, and the figures that circulate come from parts-catalogue defaults that contradict each other across models sharing the same engine. Change plugs sooner than the schedule if the engine misfires under load, idles roughly or is slow to start.
Can I use a different brand of spark plug in a Honda Civic?
Yes, provided the replacement matches the original on thread size, reach, heat range, seat type and electrode material, and is gapped to the figure in the table. Cross-reference by the OE number rather than by the model name — that is the reference that identifies the part unambiguously. Do not fit a plug of a different heat range because it looks similar or shares part of the type code.
How we check fitment for this guide
We cross-reference fitment figures against manufacturer specifications and OE-supplier catalogue data where available, and matched to the standard codes that actually govern fit — battery type/group sizes, wiper lengths and fitting types, bulb fitment codes, tyre size markings, and oil specifications. We work by make, model, year, engine, and build date, because a single model can take different parts across its life. Where the right part depends on your exact vehicle, we tell you to confirm by registration or VIN. More on our method →