NGK BCPR7EIX Iridium IX Spark Plug (5690)
Original price was: £25.00.£14.18Current price is: £14.18.
NGK Iridium IX Spark Plug – BCPR7EIX (Stock No. 5690)
The NGK BCPR7EIX is a high-quality iridium spark plug designed for strong ignition and stable performance, especially under load. The fine iridium tip needs less voltage to spark, which helps cold starts, smooth idle, and clean combustion. The heat range 7 rating suits engines that run hotter or have light tuning, where a colder plug is specified.
Iridium also lasts longer than standard copper plugs, so intervals can be extended in normal use. The projected tip improves flame kernel growth for reliable burn. Use this plug where your vehicle or tuner recommends it.
- Fine-wire iridium centre electrode for a strong, consistent spark
- Colder heat range (NGK 7) for higher-temperature running where specified
- Resistor design to reduce electrical noise that can affect the ECU
Always confirm fitment with the vehicle lookup or the Vehicle Fitment tab before ordering.
| Specification | Value |
|---|---|
| Part Number | BCPR7EIX |
| NGK Stock Number | 5690 |
| GTIN | 087295156902 |
| Category | 686 – Spark Plug |
| Technology | Iridium IX fine-wire centre electrode |
| Centre electrode tip diameter | Approx. 0.6 mm |
| Thread diameter | M14 x 1.25 |
| Reach (thread length) | 19.0 mm |
| Hex size | 16 mm (5/8 in) |
| Seat type | Flat seat with gasket |
| Heat range | 7 (NGK scale) |
| Resistor | Yes |
| Tip style | Projected |
| Pre-set gap | 0.8 mm (check and adjust carefully if required) |
Installation notes
– Fit to a cool engine. Hand-start threads to avoid cross-threading.
– Torque to the manufacturer’s spec for M14 gasket-seat plugs.
– If gap adjustment is needed, do not pry on the fine iridium tip. Use a proper gapping tool gently.
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-5690 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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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.
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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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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.