NGK ILZFR6C-11K Laser Iridium Spark Plug (90428)
Original price was: £27.88.£18.02Current price is: £18.02.
NGK ILZFR6C-11K Laser Iridium Spark Plug (Stock No. 90428)
This NGK Laser Iridium plug is built for clean, reliable ignition and long service life. The fine iridium tip needs less voltage to spark, which helps cold starts and smooth idle. A small, focused spark also supports efficient combustion, which can improve throttle response and keep emissions in check.
Laser-welded iridium on the centre electrode and a platinum pad on the ground electrode reduce wear. That means stable performance over a long interval compared to standard copper or single-platinum plugs.
Use one plug per cylinder. Always match heat range and gap to your engine’s spec. For vehicle compatibility, please use our vehicle lookup or check the Vehicle Fitment tab.
- Fine-wire iridium tip for strong, stable spark
- Platinum ground pad for long life
| Part Number | ILZFR6C-11K |
|---|---|
| NGK Stock Number | 90428 |
| GTIN | 0087295904282 |
| Category | 686 – Spark Plug |
| Series | Laser Iridium |
| Heat Range | 6 (NGK scale) |
| Resistor | Yes |
| Factory Gap | 1.1 mm (-11 designation) |
| Centre Electrode | Iridium fine-wire |
| Ground Electrode | Nickel with laser-welded platinum pad |
| Tip Projection | Projected (for cleaner combustion) |
| Thread Diameter | 14 mm |
| Seat Type | Flat seat with gasket |
| Hex Size | 16 mm |
Important: Always confirm fitment and torque settings for your engine. Use the site’s vehicle lookup or see the Vehicle Fitment tab.
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-90428 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
All items marked as available for 'Express Delivery' are dispatched next working day before 3pm.
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Out of stock items are sourced from our extended inventory and supplier inventory where possible. These may require manufacturing or carry extended lead times which we endeavour to alert you about if the website hasn't already provided an estimated delivery timescale.
DELIVERY INFORMATION
International Shipping
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If your delivery address is outside of the UK, local tax will be removed and you will have to pay import duties and taxes when the shipment reaches your country.
All international shipments may be subject to cross-border inspections by customs authorities while customs policies vary widely from country to country. You must meet any additional charges for customs clearance and we recommend that you contact your local customs office for further information.
DELIVERY INFORMATION
Returns
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Stock at Progressive Parts
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1+ IN STOCK in green stock is readily available in one of our warehouses for express delivery (at the time of viewing).
LOW STOCK in green means we're running low! 1 or 2 left on the shelf so act fast. Over evenings, weekends and bank holidays this stock can move quickly so please bear this in mind.
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MADE TO ORDER in blue means we've partnered with a supplier which primarily makes their products to order. It's not on our shelf, but your order goes into production immediately.
0 IN STOCK in orange means everybody we work with is unfortunately out of stock. Stock is not available in the UK. The best course of action is to place an order to create an allocation from the next batch arriving.
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.