HVAC System Washer Seals from Mexico
Vulcanized rubber washers and seals used in air conditioning units for duct connections and compressor housings. Falls under HTS 4016.93.50 as other unspecified gaskets and seals of vulcanized rubber, not hard rubber. Ensures airtight and watertight joints in residential HVAC equipment.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide performance specs like pressure and temperature ratings to distinguish from Chapter 84 appliance parts
• Ensure FDA compliance if used in food-related HVAC; label as non-toxic rubber
• Bundle with installation instructions but avoid complete assemblies to prevent set classification