Beru GN12 Ceramic Insulating Fitting from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit affidavits from spark plug manufacturers confirming NG stationary end-use; ensure Customs review of metallization process compliance; track preferential tariff eligibility under USMCA