NGK ZFR6J-11 Spark Plug (Stock No. 5585)
A dependable NGK resistor spark plug for everyday performance and reliability. It delivers a consistent spark, helps cold starts, and supports smooth idle. Ideal as an OE-equivalent replacement on many Honda petrol engines where this part is specified.
Use the vehicle lookup to confirm fitment or check the Vehicle Fitment tab for full details.
| Part Number | ZFR6J-11 |
| NGK Stock Number | 5585 |
| GTIN | 087295155851 |
| Category | 686 – Spark Plug |
| Thread Size | M14 x 1.25 |
| Reach (thread length) | 19 mm |
| Hex Size | 16 mm |
| Seat Type | Flat seat with gasket |
| Heat Range | 6 (NGK) |
| Resistor | Yes |
| Gap (preset) | 1.1 mm |
| Centre Electrode | Nickel alloy with copper core |
| Ground Electrode | Standard, projected tip |
| Terminal Type | Solid terminal |
| Typical Torque (aluminium head) | 25-30 Nm |
Why choose this plug
- Consistent ignition for smoother running and better throttle response.
- Resistor design reduces electrical noise that can affect the ECU and radios.
- Durable nickel construction for reliable service intervals.
Vehicle compatibility guidance
Suitable for many Honda petrol engines that specify NGK ZFR6J-11, including popular Civic and Integra non-turbo applications. Always confirm using the site’s vehicle lookup or the Vehicle Fitment tab.
The price displayed is for a single plug, please add the desired amount to your basket.


