Valve Stem Seals from Mexico
Vulcanized rubber seals for automotive valve stems preventing oil leakage into combustion chambers. HTS 4016.93.50 other gaskets, high-temp synthetic rubber. Not Chapter 84 or hard rubber.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• SAE J200 classification docs aid verification
• Avoid kits with metal valves to stay in Chapter 40
• Declare HNBR material if applicable for specialty rates