Spark plugs Ford Focus II FYDB (1.6 Ti-VCT) — NGK, Bosch, Denso
Spark plugs for Ford Focus II FYDB (1.6 Ti-VCTL, 2004–2011) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Ford Focus II |
| Engine Code | FYDB |
| Displacement / Fuel | 1.6 Ti-VCTL petrol |
| Production Years | 2004–2011 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 19 mm |
| Hex size | 16 mm |
| Electrode gap | 0.9 mm |
| Heat range | 6 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK IZFR6H11 | OE supplier |
| Bosch | Bosch 0242240592 | OE supplier |
| Denso | Denso IWF22 | OE supplier |
| Champion | Champion RC9PYPB4 | 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 FYDB
- Use the correct plug type — the FYDB requires iridium plugs. Upgrading from standard to iridium is acceptable.
- Check the electrode gap — verify the gap is 0.9 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 Ford Focus II FYDB?
NGK NGK IZFR6H11, Bosch Bosch 0242240592, Denso Denso IWF22. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Ford Focus II?
Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK IZFR6H11) have a longer service life compared to standard nickel plugs.
Can I fit a different type of spark plug in the FYDB?
Upgrading to iridium or platinum is acceptable and gives a slight improvement in cold starts. Do not change the heat range (6) — an incorrect heat range can cause pre-ignition or fouling.
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