NGK IZFR6H11 – Laser Iridium Spark Plug (Stock No. 4294)
This NGK Laser Iridium plug delivers a strong, consistent spark for smooth running and reliable performance. The fine iridium tip needs less voltage to fire, helping cold starts, stable idle, and clean combustion. It is built for long service life with an iridium centre and a platinum pad on the ground electrode.
- Strong spark with lower voltage demand
- Smoother idle and better throttle response
- Long life design for extended service intervals
Technical specifications
| Part number | IZFR6H11 |
| NGK stock number | 4294 |
| GTIN | 087295142943 |
| Category | 686 – Spark Plug |
| Thread diameter | 14 mm |
| Thread reach | 19 mm |
| Hex size | 16 mm |
| Seat type | Flat seat with gasket |
| Heat range | NGK 6 |
| Spark gap | 1.1 mm (pre-set) |
| Resistor | Yes |
| Centre electrode | Fine wire iridium |
| Ground electrode | Nickel with platinum pad |
| Tip design | Projected |
| Terminal type | Solid terminal |
Fitment guidance
Often specified by Honda and Acura for various petrol engines that use a 14 mm long-reach, gasket-seat plug with a 1.1 mm gap. Use the vehicle lookup to confirm fitment for your exact model, or check the Vehicle Fitment tab.
The price displayed is for a single plug, please add the desired amount to your basket.
Additional Information
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |


