Automotive Silicone Valve Cover Gasket
A flexible silicone gasket designed to seal the valve cover on internal combustion engines, preventing oil leaks. Classified under HTS 3926.90.45 as it is a plastic gasket used for sealing purposes in automotive applications. Made from silicone polymer meeting the chapter's polymer classification rules.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as part of a complete engine assembly
Gaskets incorporated into machinery become classifiable as parts of engines under heading 8484 rather than separate plastic articles.
If made primarily from rubber rather than plastic
Rubber gaskets fall under Chapter 40; material predominance shifts classification away from plastics in Chapter 39.
If not specifically a gasket, washer, or seal
Other plastic articles without sealing function go to the residual 'Other' subheading in 3926.90.
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Import Tips & Compliance
• Verify material composition via lab testing to confirm silicone polymer content exceeds 95% for proper Chapter 39 classification
• Include detailed technical specs and end-use certification in documentation to avoid misclassification as engine parts under Chapter 84
• Check for REACH compliance if sourced from EU; common pitfall is undervaluation on high-volume automotive shipments
Related Products under HTS 3926.90.45
PVC Plumbing Washer Set
Flat ring-shaped washers made from polyvinyl chloride (PVC) used in pipe fittings to create watertight seals. Falls under HTS 3926.90.45 due to its function as a plastic washer for sealing in plumbing systems. Polymer content meets subheading note (a)(1) for PVC predominance.
Nitrile Rubber-Like Plastic O-Ring Seals
Circular cross-section O-ring seals made from synthetic nitrile-based plastic copolymer for hydraulic systems. Classified in 3926.90.45 as plastic seals where the named copolymer units exceed 95% by weight per subheading note (a)(2).
PTFE High-Pressure Washer
Teflon (PTFE) washers for high-pressure valves and fittings, offering chemical resistance and low friction. Falls under 3926.90.45 as a fluoropolymer plastic washer per polymer predominance rules.
Nylon Fuel Injector O-Ring
Polyamide (nylon) O-rings for sealing fuel injector connections in automotive systems. Classified as plastic seals under 3926.90.45 with polyamide-6,6 content over 95%.
Silicone Toilet Tank Gasket
Molded silicone gasket sealing toilet tank to bowl connection, preventing water leaks. HTS 3926.90.45 for household plastic gaskets, excluding photo albums per note.
Polyurethane Hydraulic Cylinder Seal
U-cup seals from polyurethane for hydraulic cylinders in industrial machinery. Plastic seal classification under 3926.90.45 based on polymer weight predominance.