9818.00.05.00/Ship Engine Piston Ring Set/Japan

Ship Engine Piston Ring Set from Japan

Complete piston ring sets for large marine diesel engines, installed during foreign shipyard overhaul of a U.S. container ship before its return to U.S. ports. Qualifies under 9818.00.05.00 as critical spare parts for vessel operation documented per subchapter requirements.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Submit engine maintenance logs proving installation timing; ensure vessel qualifies under U.S. note 1 definitions; maintain supplier invoices from foreign purchase to avoid misclassification