NGK BKR5EY-11 Spark Plug – Stock No. 2355
The NGK BKR5EY-11 is a reliable OE-style spark plug for everyday driving and light performance use. It delivers a clean, consistent spark for smooth idle, easy starting, and stable power. The V-groove ground electrode helps expose the spark to the air-fuel mix, improving ignition efficiency. The built-in resistor reduces electrical noise that can affect radios and ECUs.
This plug suits many petrol engines that use a 14 mm long-reach, gasket-seat plug with a 1.1 mm gap. Always confirm with the vehicle lookup or the Vehicle Fitment tab before ordering.
Why choose this plug
- Stable spark for smooth running and dependable starts
- V-groove design for efficient ignition and clean combustion
- OE-style nickel construction for durability and value
- Resistor type to reduce electrical interference
Technical specifications
| Part number | BKR5EY-11 |
| NGK stock number | 2355 |
| Part category | 686 – Spark Plug |
| GTIN | 087295123553 |
| Thread diameter | 14 mm |
| Thread pitch | 1.25 |
| Seat type | Flat seat with gasket |
| Hex size | 16 mm |
| Reach (thread length) | 19 mm |
| Heat range | 5 (NGK scale) |
| Resistor | Yes |
| Centre electrode | Nickel alloy |
| Ground electrode | V-groove type |
| Factory gap | 1.1 mm |
Fitment guidance
This plug pattern is common across many petrol engines that specify a 14 mm thread, 19 mm reach, and gasket seat. Use the site’s vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
Installation notes
– Check and adjust the gap to your vehicle’s specification if required.
– Fit to a cold engine. Start by hand to avoid cross-threading.
– Typical torque for 14 mm gasket-seat plugs: 18-25 Nm in aluminium heads.
Do not over-tighten. Re-check after initial heat cycle if recommended by the manufacturer.
The price displayed is for a single plug, please add the desired amount to your basket.


