Yanmar Marine Exhaust Valve from Japan
Sodium-cooled exhaust valves made from Inconel alloy for Yanmar 6AYM-WET marine propulsion engines in fishing vessels. Designed for high exhaust gas temperatures in propulsion duty. HTS 8409.99.92 for marine propulsion engine parts 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
• Include sodium filling certification and exhaust temp ratings (>900°C)
• Use fishing vessel registry docs for smaller marine applications