Cast Iron Diffuser Case for GE90 Civil Turbine from Japan
Cast iron diffuser casing that slows airflow post-compressor in GE90 gas turbines for Boeing 777 civil aircraft. Limited processing for fins and sprues, per 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%
Import Tips
• Include dimensional sketches proving machining only for finishing location
• Avoid duty hikes by not combining with polished components in same entry
• Certify non-ITAR status for civil-only use to bypass defense restrictions