Silicone Valve Stem Seal from Japan
High-temperature silicone rubber seal for engine valve stems, polymer from heading 3910. Falls in 3926.90.45.90 as other plastic/rubber seal. Prevents oil leakage in combustion engines.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify silicone as unmodified polymer per note (b)(2) for blends
• Separate from engine sets to avoid parts classification under 8708
• Check width/length under 38.1x45.7 cm for Free (B) per USNote on 3921