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Nitrile Rubber O-Ring for Automotive Fuel Injectors from China

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 — China → United States

38.5%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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