Spark plugs Toyota Corolla E150 1ZR-FE (1.6) — NGK, Bosch, Denso
Spark plugs for Toyota Corolla E150 1ZR-FE (1.6L, 2006–2013) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Toyota Corolla E150 |
| Engine Code | 1ZR-FE |
| Displacement / Fuel | 1.6L petrol |
| Production Years | 2006–2013 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 19 mm |
| Hex size | 16 mm |
| Electrode gap | 1.1 mm |
| Heat range | 5 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK ILFR6T11 | OE supplier |
| Bosch | Bosch 0242235764 | OE supplier |
| Denso | Denso SK16R11 | OE supplier |
| Champion | Champion ILG59 | 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 1ZR-FE
- Use the correct plug type — the 1ZR-FE requires iridium plugs. Upgrading from standard to iridium is acceptable.
- Check the electrode gap — verify the gap is 1.1 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 Toyota Corolla E150 1ZR-FE?
NGK NGK ILFR6T11, Bosch Bosch 0242235764, Denso Denso SK16R11. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Toyota Corolla E150?
Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK ILFR6T11) have a longer service life compared to standard nickel plugs.
Can I fit a different type of spark plug in the 1ZR-FE?
Upgrading to iridium or platinum is acceptable and gives a slight improvement in cold starts. Do not change the heat range (5) — an incorrect heat range can cause pre-ignition or fouling.
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