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8547.10.40.00/Autolite NGK4123 Ceramic Spark Insulator/Canada

Autolite NGK4123 Ceramic Spark Insulator from Canada

Autolite NGK4123 heavy-duty ceramic insulator for extended-reach spark plugs in natural gas-fueled drilling rig engines. Features double-fired glaze for superior gas seal integrity. Classifies precisely under HTS 8547.10.40.00 for stationary internal combustion NG spark plug production.

Duty Rate — Canada → United States

13%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Confirm 'stationary' engine definition excludes mobile equipment; include dielectric test reports; verify no hazardous material content declarations needed

Autolite NGK4123 Ceramic Spark Insulator from Canada — Import Duty Rate | HTS 8547.10.40.00