Spark plugs Chevrolet Cruze II LUJ (1.4T) — NGK, Bosch, Denso
Spark plugs for Chevrolet Cruze II LUJ (1.4TL, 2011–2016) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Chevrolet Cruze II |
| Engine Code | LUJ |
| Displacement / Fuel | 1.4TL petrol |
| Production Years | 2011–2016 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 26 mm |
| Hex size | 16 mm |
| Electrode gap | 0.9 mm |
| Heat range | 6 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK ILFR6T11 | OE supplier |
| Bosch | Bosch 0242240641 | OE supplier |
| Denso | Denso IK16 | OE supplier |
| Champion | Champion RC9MC4 | 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 LUJ
- Use the correct plug type — the LUJ 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 Chevrolet Cruze II LUJ?
NGK NGK ILFR6T11, Bosch Bosch 0242240641, Denso Denso IK16. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Chevrolet Cruze II?
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 LUJ?
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.
Where to Buy