NGK ILTR6M9G Laser Iridium Spark Plug – 94489
This NGK Laser Iridium spark plug delivers a strong, clean spark for reliable combustion. It helps cold starts, smooth idle, and stable performance under load. The fine-wire iridium tip needs less voltage, which supports consistent ignition in turbo and high-compression engines. A platinum pad on the ground electrode improves lifespan, so intervals are longer than standard copper plugs.
Built-in resistor technology reduces radio interference and protects sensitive electronics like the ECU. The plug arrives pre-gapped for typical OE use. For tuned engines, only adjust the gap if your tuner or manufacturer specifies it.
Use the site’s vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
| Part Number | ILTR6M9G |
| NGK Stock Number | 94489 |
| GTIN | 87295944899 |
| Category | 686 – Spark Plug |
| Series | Laser Iridium |
| Heat Range | 6 (NGK scale) |
| Centre Electrode | Fine-wire iridium |
| Ground Electrode | Nickel with platinum pad |
| Resistor | Yes (approx. 5 k?) |
| Factory Gap | 0.9 mm (preset) |
| Terminal Type | Solid terminal nut |
| Seat/Seal | Gasket type |
- Improves ignition stability and throttle response.
- Long service life vs standard plugs due to iridium/platinum construction.
- Consistent spark under boost and high load.
Note: Always confirm gap and torque to your vehicle’s service manual.
The price displayed is for a single plug, please add the desired amount to your basket.


