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8411.99.10.40/Cast Iron Combustion Chamber Support for LEAP-1 Engine/Japan

Cast Iron Combustion Chamber Support for LEAP-1 Engine from Japan

Cast iron support ring for the combustion chamber in CFM LEAP-1 gas turbines used in civil aircraft like A320neo. Minimal machining for risers and location, HTS 8411.99.1040.

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

• Provide heat-flow diagrams showing casting cleanup only, no functional machining

• Align with CFM56/LEAP supply chain manifests for consistency