</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

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