Beru GN12 Ceramic Insulating Fitting
Beru GN12 precision ceramic insulator for spark plugs in cogeneration natural gas engines. Multi-layer ceramic construction with integrated metal thread insert for automated spark plug assembly lines. Falls under 8547.10.40.00 for its specific application in stationary NG internal combustion engine spark plugs.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general line insulators not spark plug specific
Heading 8546 for glass/ceramic insulators of any kind excluding spark plug fittings.
If bulk ceramic insulators without electrical threading
Other ceramic ware if lacking assembly-specific metal components.
If parts of spark-ignition engines directly
Engine parts heading if marketed as finished spark plug components.
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Import Tips & Compliance
• Submit affidavits from spark plug manufacturers confirming NG stationary end-use; ensure Customs review of metallization process compliance; track preferential tariff eligibility under USMCA
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