NGK BCPR6ES-11 Spark Plug – Stock 7121
The NGK BCPR6ES-11 is a dependable nickel alloy spark plug with a projected tip and built-in resistor. It delivers clean, consistent ignition for everyday driving and light performance use. The 1.1 mm preset gap supports smooth cold starts and stable idle. It is a solid choice when refreshing a standard ignition system or replacing worn plugs.
- Reliable ignition and smoother running
- Good cold starting and throttle response
- Resistor design for reduced radio interference
| Part Number | BCPR6ES-11 |
| NGK Stock Number | 7121 |
| Category | 686 – Spark Plug |
| GTIN | 87295171219 |
| Thread Diameter | 14 mm |
| Thread Pitch | 1.25 |
| Thread Reach | 19 mm |
| Hex Size | 16 mm |
| Seat Type | Flat seat with gasket |
| Heat Range | 6 (NGK scale – medium) |
| Resistor | Yes |
| Projected Tip | Yes |
| Electrode Material | Nickel alloy centre with copper core |
| Ground Electrode | Single ground, nickel |
| Factory Gap | 1.1 mm |
| Typical Tightening Torque | 18-25 Nm for 14 mm gasket seat |
Fitment Guidance
Suitable for many petrol engines using a 14 mm long-reach gasket-seat plug with a 1.1 mm gap specification. Use the vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
Installation Tips
– Always start by hand to avoid cross-threading.
– Check and adjust the gap only if your vehicle’s manual specifies a different setting.
– Tighten to the recommended torque on a cold engine.
The price displayed is for a single plug, please add the desired amount to your basket.


