Valve Stem Seals from Canada
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 — Canada → United States
12.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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