Rough Cast Iron Intake Manifold Casting from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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