Marine Rotary Engine Apex Seals from Japan
Carbon composite apex seals for marine Wankel rotary spark-ignition propulsion engines, providing gas-tight sealing in saltwater environments. Precision-ground for minimal apex wear. HTS 8409.91.92.90 as specialized marine rotary parts.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Supply seal wear rate data from marine endurance testing
• Include rotor housing compatibility certification
• Distinguish from automotive seals via marine thermal expansion specs