Rough Cast Iron Intake Manifold Casting from Japan
Basic cast-iron intake manifold blank for automotive spark-ignition engines, cleaned of risers/gates and lightly machined for fixture points only. Runner passages remain fully cored and un machined. Classifies in 8409.91.10 as unfinished part for 8407/8408 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
• Cross-section photos showing untouched internal runners prove no port machining occurred
• Certify compatibility only with spark-ignition engines to distinguish from diesel manifolds
• Watch for flange facing—any port matching disqualifies from this basic casting code