Spark plugs Ford Focus III M1DA (1.0 EcoBoost) — NGK, Bosch, Denso
Spark plugs for Ford Focus III M1DA (1.0 EcoBoostL, 2012–2018) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Ford Focus III |
| Engine Code | M1DA |
| Displacement / Fuel | 1.0 EcoBoostL petrol |
| Production Years | 2012–2018 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 19 mm |
| Hex size | 16 mm |
| Electrode gap | 0.8 mm |
| Heat range | 6 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK ILKR7L11 | OE supplier |
| Bosch | Bosch 0242236605 | OE supplier |
| Denso | Denso IKH20TT | OE supplier |
| Champion | Champion RG64LYP4 | 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 M1DA
- Use the correct plug type — the M1DA 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 Ford Focus III M1DA?
NGK NGK ILKR7L11, Bosch Bosch 0242236605, Denso Denso IKH20TT. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Ford Focus III?
Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK ILKR7L11) have a longer service life compared to standard nickel plugs.
Can I fit a different type of spark plug in the M1DA?
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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