Spark plugs Hyundai Tucson TL G4NA (2.0 GDI) — NGK, Bosch, Denso
Spark plugs for Hyundai Tucson TL G4NA (2.0 GDIL, 2015–2020) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.
Engine Specifications
| Parameter | Value |
|---|---|
| Make / Model | Hyundai Tucson TL |
| Engine Code | G4NA |
| Displacement / Fuel | 2.0 GDIL petrol |
| Production Years | 2015–2020 |
| Plug type | iridium |
| Thread | M14x1.25 |
| Reach | 26 mm |
| Hex size | 16 mm |
| Electrode gap | 1.0 mm |
| Heat range | 7 |
Compatible Spark Plugs
| Brand | Part Number | Type |
|---|---|---|
| NGK | NGK ILZKBR7A8DG | OE supplier |
| Bosch | Bosch 0242240654 | OE supplier |
| Denso | Denso IKH16TT | OE supplier |
| Champion | Champion RC9YCC | 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 G4NA
- Use the correct plug type — the G4NA requires iridium plugs. Upgrading from standard to iridium is acceptable.
- Check the electrode gap — verify the gap is 1.0 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 Hyundai Tucson TL G4NA?
NGK NGK ILZKBR7A8DG, Bosch Bosch 0242240654, Denso Denso IKH16TT. All three are OE suppliers and guarantee compatibility with this engine.
How often should spark plugs be replaced on Hyundai Tucson TL?
Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK ILZKBR7A8DG) have a longer service life compared to standard nickel plugs.
Can I fit a different type of spark plug in the G4NA?
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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