Champion RC12NGY Industrial Ceramic Insulator from Japan

Champion's RC12NGY series ceramic insulator for spark plugs in stationary natural gas engines used in power generation and oilfield equipment. Engineered with 95% alumina content for superior dielectric strength and thermal shock resistance in lean-burn NG combustion environments. Meets HTS 8547.10.40.00 as a ceramic insulating fitting expressly for spark plug manufacturing in specified engines.

Duty Rate — Japan → United States

13%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide engine manufacturer purchase orders or contracts specifying NG stationary use; ensure no pre-molded metal components exceed 'minor' threshold; declare exact alumina purity to prevent undervaluation disputes