How to Decode Your NGK Spark Plugs Part Number
Discover how to decode your NGK spark plugs part number, there is more to the number than you might think!
NGK Spark Plug Numbering System
Have you ever serviced your vehicle or bike and pondered over the intricate part number system employed by NGK for their spark plugs? The inclusion of dashes and alphanumeric combinations might have left you perplexed. Nevertheless, there is a valid reason behind this seemingly convoluted approach. The part number functions as a reference code for the specification of a plug.
Retail Box Part Numbers
Beginning with the NGK retail packaging, you’ll find two part numbers displayed. The upper number represents the coded part number, which outlines the complete specifications, while the 4-digit number below it serves as the stock code utilized by NGK (and us) to enhance warehouse efficiency. Warehouse staff prefer to avoid confusing sequences, such as BPR6ES-11 x6, BPR6E-11 x6, BPR6E x6, BPR6E-11 x1, and similar variations.
It’s easy to see how this approach can lead to confusion, causing workers to spend unnecessary time double-checking part numbers. This is where the stock code becomes invaluable, streamlining the process and making everything much simpler.
Decoding Standard NGK Spark Plugs
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2 thoughts on “How to Decode Your NGK Spark Plugs Part Number”
Hi, I’m looking for a set of spark plugs for a Toyota 7afe turbo. Preferably ruthenium type but it’s a little confusing trying to find the best one. The standard ones are BKR 6 EYA but obviously they have to be a little colder being a turbo. I’ve just tried some BKR 7 EQUP but they lasted all of 3 days before completely failing. I’ve looked at the chart and are FR7BHX the right ones for it ? or is their something better like racing ones out there that will work. It drives good under normal conditions but under boost (20psi) it breaks down bad with iridiums after a few weeks. Hopefully someone can help me out with it. Thanks.
Hello,
Thank you for contacting us.
If you’re running the standard tuning/turbo you should definitely try to stick to the standard plugs or the iridium upgrade plugs, BKR6EIX are the upgrade plugs for BKR6EYA, make sure to check the gap before fitting.
If the engine isn’t running well in the standard tuning the problem may be lying elswhere such as running too rich or lean, we’d recommend checking all air/fuel mixture components such as the mass air flow meter.
There might be some racing plugs available for this engine, check this article for more information.