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Cast Iron Marine Engine Flywheel Casting from Japan

Rough cast-iron flywheel blank for marine propulsion engines, with gates and risers removed and minimal machining for balancing fixture location. Stores rotational energy in large diesel marine powerplants. 8409.99.10.60 applies to this unfinished cast-iron part exclusive to marine engines.

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 OEM engine specs confirming flywheel dimensions match marine propulsion models only

Photograph pre-shipment condition to prove no prohibited finishing operations occurred

Batch imports by engine manufacturer to streamline CBP verification of principal use