Cast Iron Marine Engine Water Jacket Casting from Mexico
Rough cast-iron water jacket liner for cooling marine propulsion engines, cleaned of risers and lightly machined for fixture placement. Channels coolant around cylinders in ship engines. 8409.99.10.60 due to cast-iron material and minimal processing state.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide thermal performance specs tying jacket to specific marine engine cooling requirements
• Ensure no internal surface machining; such work moves to advanced parts category
• Label shipments clearly as 'rough castings - marine propulsion only' to guide CBP exam