Marine Diesel Engine Piston Ring Set from Mexico
Replacement piston ring sets for large marine diesel engines used in container ships. Classified under HTS 9818.00.03.00 as spare repair parts certified by the vessel master for installation aboard cargo vessels during maintenance. Duty paid upon first U.S. entry for use at sea or in foreign ports.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain vessel master's certification documenting intended use aboard specific cargo vessel
• Ensure proof of duty payment on first U.S. entry is maintained
• Exclude parts for fishing vessels or pleasure craft