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8409.91.92.90/Marine Rotary Engine Apex Seals/Mexico

Marine Rotary Engine Apex Seals from Mexico

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 — Mexico → United States

12.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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