NGK Iridium Spark Plug Terminal
High-voltage ceramic-insulated terminal connecting ignition coil to iridium spark plug center electrode, under HTS 8511.90.60.40. Rated for 40kV dielectric strength in performance engines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as general electrical insulators without spark plug features
Loses ignition-specific classification.
If complete spark plug assemblies
Finished spark plugs classified separately.
If ceramic insulators sold without metal contacts
Material composition drives classification without ignition function.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Dielectric strength test certificates prove spark plug insulator function
• Specify center electrode connection design distinguishing from coil insulators
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