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What is the complete cross-reference table for NGK spark plug models?

4 Answers
ElianaRose
07/29/25 9:38pm

Here is the complete cross-reference table for NGK spark plug models: 1. The first letter in the NGK spark plug model represents the thread diameter of the spark plug. For example, A represents an 18mm thread, B represents a 14mm thread, C represents a 10mm thread, D represents a 12mm thread, E represents an 8mm thread, BC represents a 14mm thread, BK represents a 14mm thread, DC represents a 12mm thread, etc. 2. The second letter in the NGK spark plug model represents the resistance of the spark plug. For example, R represents a built-in resistor type, and Z represents a wound wire resistor type. 3. The numbers represent the heat range. The higher the number, the better the cooling performance. 4. Taking the BKR6E spark plug as an example, BK represents a 14mm thread diameter, R represents a built-in resistor type, 6 represents the heat value, and E represents a 19mm thread engagement length.

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Flores
08/15/25 8:48pm

The complete cross-reference table for NGK spark plug models isn't actually a simple chart, as there are too many model numbers like BKR6E-11 or LFR6AIX-11 which represent the spark plug's heat range, electrode type and dimensions. Typically, the official website provides online tools or downloadable PDFs - you can visit NGK's international website and input your vehicle's year, make and model, then it will automatically match the recommended spark plug. I often help friends look this up myself, as using the cross-reference table ensures stable engine ignition after replacement, avoiding hard starts or high fuel consumption. Choosing the correct heat range is crucial - smaller heat range numbers indicate slower heat dissipation (suitable for high-performance vehicles), while larger numbers mean faster heat dissipation (better for regular cars). Remember not to rely solely on memorized model numbers, as data differs between older and newer models - the latest version is more reliable. I recommend bookmarking the official website link for convenient future reference.

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VincentFitz
10/17/25 4:54am

Last time I changed spark plugs and needed a cross-reference chart, I simply downloaded NGK's official app on my phone. Entering my license plate number instantly displayed all compatible models - super convenient. Models like FR5GP or PFR5S-11 have numbers indicating heat range, while letter combinations represent material and design. The complete chart is packed with thousands of entries, but the app allows filtering or saving frequently used items. I find this tool very DIY beginner-friendly, preventing engine misfires or power loss from incorrect installation. Without the app, you can request printed versions at auto parts stores - they all keep backups. From personal experience, never cheap out on counterfeit parts; OEM-spec plugs can extend spark plug lifespan by tens of thousands of kilometers.

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VonZoe
11/30/25 5:37am

The key to a spark plug model cross-reference chart lies in matching the heat range and dimensions. For example, NGK's B series is commonly used in Japanese vehicles, where heat range numbers like 6 or 7 affect ignition timing. A complete chart lists all models corresponding to different vehicles for interchange or upgrade purposes. Free PDF downloads are available online—just input your vehicle model. Ensure correct selection to avoid air-fuel ratio imbalance or emission issues. Practical tip: Check the chart during routine maintenance and record your model number for future replacement.

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what does 4x2 mean on a car

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