NGK DILFR7B10G Laser Iridium Spark Plug – Stock No. 97218
The NGK DILFR7B10G is a Laser Iridium spark plug designed for reliable ignition, clean combustion, and long service life. It uses a fine iridium centre electrode with a platinum pad on the ground strap to keep the spark strong and consistent, even under hard use or light tuning.
A stable spark helps the engine start faster, idle smoother, and maintain power and fuel economy. The heat range 7 design manages higher temperatures well, which is useful for many modern turbo petrol engines. The factory-set 1.0 mm gap suits standard and lightly tuned setups. Always check your ECU calibration and follow the vehicle maker’s spec if a different gap is required.
Use the vehicle lookup on our site or the Vehicle Fitment tab to confirm compatibility.
| Part Number | DILFR7B10G |
| NGK Stock Number | 97218 |
| GTIN | 0087295972182 |
| Category | 686 – Spark Plug |
| Type | Laser Iridium |
| Centre Electrode | Iridium fine tip |
| Ground Electrode | Nickel with platinum pad |
| Resistor | Yes |
| Heat Range | 7 (NGK scale) |
| Preset Gap | 1.0 mm |
| Thread Diameter | 12 mm |
| Thread Reach | 19 mm |
| Hex Size | 14 mm |
| Seat Type | Flat seat with gasket |
| Projection | Projected tip |
- Strong spark with less voltage demand for reliable ignition.
- Stable performance under heat and boost thanks to heat range 7.
- Long life from iridium centre and platinum ground pad.
- Helps reduce misfires and maintain fuel economy when in good tune.
Tip: Fit as a matched set and tighten to the specified torque. Always verify gap and heat range against your vehicle’s service data.
The price displayed is for a single plug, please add the desired amount to your basket.


