NGK IKER7A8EGS Laser Iridium Spark Plug (94224)
Original price was: £27.98.£19.48Current price is: £19.48.
NGK IKER7A8EGS Iridium Spark Plug – Stock No. 94224
This NGK iridium spark plug delivers reliable ignition under hard use. The fine-wire centre electrode needs less voltage to spark, so cold starts are cleaner and high-load combustion is more stable. It is a resistor type to reduce electrical noise that can affect sensors and the ECU.
Heat range 7 is a popular choice for tuned or hard-driven petrol engines that run hotter than standard. It can help reduce knock and misfire risk when boost and intake temps rise. Expect steady idle, crisp throttle response, and consistent performance over a long service life.
Always confirm fitment with the vehicle lookup on our site or the Vehicle Fitment tab.
| Part number | IKER7A8EGS |
|---|---|
| NGK stock number | 94224 |
| GTIN | 87295942246 |
| Category | 686 – Spark Plug |
| Plug type | Iridium centre, resistor (R) |
| Heat range | 7 (NGK scale) |
| Thread diameter | 12 mm |
| Thread pitch | 1.25 |
| Thread reach | 19 mm |
| Hex size | 16 mm |
| Seat type | Gasket |
| Projected tip | Yes |
| Factory gap | 0.8 mm |
| Terminal | Solid |
| Typical tightening torque | 18-25 Nm (aluminium head, gasket seat) |
Why choose this plug
- Fine-wire iridium spark improves ignition stability under boost and high load.
- Colder heat range helps manage combustion temperatures in tuned engines.
- Resists fouling and wear for long, consistent service life.
Fitment guidance
– Suits many modern petrol engines that specify an NGK heat range 7, 12 mm thread, 19 mm reach, gasket seat, and 0.8 mm gap.
– Use the vehicle lookup to confirm compatibility, or check the Vehicle Fitment tab for full details.
Installation notes
– Check and set the gap to the vehicle maker’s spec if required.
– Do not force or heavily file iridium fine-wire electrodes.
– 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.
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |
NGK-94224 Confirmed Fitment
Please note, this information is a combination of supplier provided compatibility data and our workshop expertise. While every effort has been made to ensure the accuracy of this information Progressive Parts Ltd are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their vehicle. More information is available from our Terms & Conditions
UK Shipping
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DELIVERY INFORMATION
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DELIVERY INFORMATION
Returns
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Stock at Progressive Parts
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What do our stock statuses mean?
1+ IN STOCK in green stock is readily available in one of our warehouses for express delivery (at the time of viewing).
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OUT OF STOCK in red. This product is unavailable to order, for whatever reason we're unable to obtain stock or there is an issue with supply/lead times.
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Type-approval then, is a certain guarantee that an end user will receive a product of OE equivalent performance attributes.
Products on the Progressive Parts website that meet this approval will be clearly marked or labelled EC or ECE approved.