Nitrile Rubber O-Ring for Automotive Fuel Injectors from Mexico
A synthetic rubber O-ring made from acrylonitrile-butadiene (NBR) polymer classified under Chapter 39, used to seal fuel injector connections in vehicle engines. It falls under HTS 3926.90.4510 as an O-ring gasket or seal of plastics. Designed for high resistance to oils and fuels in automotive applications.
Duty Rate — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify polymer composition meets 95% monomer content per subheading notes to avoid reclassification to 'Other' plastics
• Provide detailed technical specs and end-use certification to distinguish from rubber O-rings in Chapter 40