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

Rotary Marine Engine Rotor Housing from Japan

Precision-machined housing for the rotor in Wankel-type rotary spark-ignition engines adapted for marine outboard propulsion. Features water-cooled design for saltwater durability. Falls under 8409.91.92.90 as a principal part for marine rotary 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

Submit technical specs confirming rotary engine compatibility and marine propulsion certification

Verify EPA/CARB emissions compliance for spark-ignition marine components

Document water jacket design to distinguish from automotive rotary housings