8409.91.10.60/Intake Manifold Rough Casting/Japan

Intake Manifold Rough Casting from Japan

Cast iron intake manifold casting for multi-cylinder marine spark-ignition engines, cleaned with runner locations machined. Wet-sump marine fuel mixture design specific to propulsion applications.

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%

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Import Tips

• Runner volume calculations proving marine fuel mapping; plenum chamber marine adaptation specs; no throttle body mounting provisions machined