NGK PFR6X-11 Laser Platinum Spark Plug – Stock 5757
This NGK Laser Platinum plug delivers a strong, consistent spark for reliable starting and smooth running. The fine-wire platinum centre improves ignition under load and at high rpm. It also lasts longer than standard copper plugs, helping maintain performance over more miles with fewer changes.
- Fine-wire platinum design for efficient combustion and smooth idle
- Resistor type to reduce electrical noise for ECUs and sensors
- Long service life compared with copper plugs
- Stable spark under boost and at higher temperatures
| Part number | PFR6X-11 |
| NGK stock number | 5757 |
| Category | 686 – Spark Plug |
| GTIN | 087295157572 |
| Plug type | Laser Platinum |
| Thread diameter | 14 mm |
| Thread reach | 19 mm |
| Hex size | 16 mm |
| Seat type | Gasket |
| Heat range | 6 (NGK scale) |
| Resistor | Yes |
| Factory gap | 1.1 mm |
| Centre electrode | Fine-wire platinum |
| Ground electrode | Nickel with platinum pad |
| Electrode configuration | Single ground |
| Terminal type | Solid terminal |
Fitment guidance
Use the vehicle lookup to confirm this plug for your exact engine. Check the Vehicle Fitment tab for full details.
Installation notes
The plug is pre-gapped at 1.1 mm. Do not force-adjust the gap on fine-wire platinum electrodes. Install into a cool engine with a new gasket. Tighten to the vehicle maker’s torque spec and apply only a small amount of dielectric grease to the coil boot if recommended.
The price displayed is for a single plug, please add the desired amount to your basket.


