Marine Spark-Ignition Piston Engine Cylinder Head from Japan
A cast aluminum cylinder head designed specifically for marine spark-ignition internal combustion piston engines used in propulsion systems. It houses the valves, spark plugs, and combustion chamber for high-performance boating applications. Classified under 8409.91.92.90 as a part suitable solely for marine propulsion engines of heading 8408.
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%
Import Tips
• Provide engine model compatibility documentation to prove sole use with marine propulsion engines
• Include material certifications (e.g
• corrosion-resistant alloys) required for marine environments
• Avoid classifying as general engine parts (8409.91.91); specify marine propulsion application