Cast Iron Marine Engine Water Jacket Casting from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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