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3926.90.45.10/Acetal (POM) O-Ring for Water Pump Seals/Mexico

Acetal (POM) O-Ring for Water Pump Seals from Mexico

Polyoxymethylene (acetal/POM) O-ring for sealing automotive water pumps, low moisture absorption. Under 3926.90.4510 as plastic from 3907.40 polymers.

Duty Rate — Mexico → United States

13.5%

Rate breakdown

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

• Declare copolymer status if Delrin-type to fit notes

• Dimension tolerance specs prevent valuation disputes