NGK 3626 Spark Plug - B9HS-10

No. The NGK 3626 features trivalent plating that acts as a dry lubricant, making anti-seize unnecessary and potentially harmful to torque accuracy.

The suffix '-10' indicates a pre-set gap of 1.0mm, though you should always verify the gap against your engine's service manual.

Replacement intervals vary by engine type, but standard nickel plugs should typically be inspected every 3,000 to 5,000 miles or annually for seasonal equipment.

No. You should only use the heat range specified by your engine manufacturer to prevent overheating or cold fouling.

Yes, standard NGK spark plugs of this type come with a crush washer/gasket included to ensure a proper seal.

Check the gap of the spark plug to ensure it matches your engine manual specifications; also check for signs of carbon fouling.

Ensure the threads are clean and free of old debris; do not force the plug as this can damage the cylinder head threads.

Ensure the spark plug wire/boot is firmly seated and that the boot is not cracked or leaking current.