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8547.10.40.00/Motorcraft SP-527NG Ceramic Core/Mexico

Motorcraft SP-527NG Ceramic Core from Mexico

Motorcraft SP-527NG ceramic core for spark plugs in natural gas standby generators and industrial engines. High-purity porcelain formulation resists carbon tracking in rich NG mixtures. Designated HTS 8547.10.40.00 for ceramic insulators in stationary NG engine spark plug production.

Duty Rate — Mexico → United States

13%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Classify based on OEM spark plug blueprints; provide thermal expansion coefficient data; beware of anti-dumping duties on certain ceramic imports from Asia