Isuzu Marine Heat Exchanger Core from Japan
Tube-and-shell heat exchanger core for Isuzu 4JJ1T marine propulsion engine cooling systems. Cupronickel tubes for seawater heat exchange in propulsion applications. HTS 8409.99.92 for marine propulsion engine parts.
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 cupronickel tube specs and seawater pressure ratings
• IMO cooling system compliance documentation required