Ship Engine Piston Ring Set from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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