Description
NGK ITR6F13 (Stock 4477) – Iridium Spark Plug
This NGK iridium plug delivers a strong, consistent spark for smooth running and reliable performance. It helps cold starts, reduces misfires, and keeps its gap for longer than standard copper plugs. Good for everyday driving and lightly tuned petrol engines.
Use in engines that specifically call for NGK ITR6F13. Please use the site’s vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
- Fine-wire iridium tip for efficient ignition and stable idle
- Resistor design to reduce electrical noise in the ECU and electronics
- Long service life with less gap growth over time
- Factory set 1.3 mm gap for reliable combustion under load
| Part number | ITR6F13 |
| NGK stock number | 4477 |
| GTIN | 087295144770 |
| Category | 686 – Spark Plug |
| Plug type | Iridium, resistor |
| Heat range (NGK) | 6 |
| Factory gap | 1.3 mm |
| Centre electrode | Fine-wire iridium alloy |
| Ground electrode | Nickel alloy |
Important: Follow the vehicle manufacturer’s torque spec. Only adjust the gap if your tuner specifies it, and do so carefully to avoid damaging the fine-wire tip. Install as a complete matching set.
The price displayed is for a single plug, please add the desired amount to your basket.
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