Spark plugs Skoda Octavia III CZGB (1.5 TSI) — NGK, Bosch, Denso
Spark plugs for Skoda Octavia III CZGB (1.5 TSIL, 2017–2023) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Skoda Octavia III |
| Engine Code | CZGB |
| Displacement / Fuel | 1.5 TSIL petrol |
| Production Years | 2017–2023 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 26 mm |
| Hex size | 16 mm |
| Electrode gap | 0.8 mm |
| Heat range | 7 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK ILZKAR7G8DG | OE supplier |
| Bosch | Bosch 0242240663 | OE supplier |
| Denso | Denso IKH16TT | OE supplier |
| Champion | Champion RSB9YPP4 | aftermarket |
Replacement Interval
| Parameter | Value |
|---|---|
| Mileage | 60 000 km |
| Time | 4 years |
Iridium and platinum plugs last 2–3× longer than standard copper plugs. Replace them on schedule — worn plugs increase fuel consumption by 3–5% and reduce power output.
Choosing Spark Plugs for CZGB
- Use the correct plug type — the CZGB requires iridium plugs. Upgrading from standard to iridium is acceptable.
- Check the electrode gap — verify the gap is 0.8 mm before installation.
- Torque correctly — for M14x1.25 thread: aluminium head 20–25 Nm, cast iron head 25–30 Nm.
- Replace as a full set — always replace all cylinders at once to ensure even combustion across all cylinders.
FAQ
Which spark plugs fit Skoda Octavia III CZGB?
NGK NGK ILZKAR7G8DG, Bosch Bosch 0242240663, Denso Denso IKH16TT. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Skoda Octavia III?
Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK ILZKAR7G8DG) have a longer service life compared to standard nickel plugs.
Can I fit a different type of spark plug in the CZGB?
Upgrading to iridium or platinum is acceptable and gives a slight improvement in cold starts. Do not change the heat range (7) — an incorrect heat range can cause pre-ignition or fouling.
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