Valve Stem Seals from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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