Heil H4A7C Vibration Isolator Mounts
Heil H4A7C rubber/steel vibration isolators reduce compressor noise and vibration transmission in rooftop packaged air conditioning units for stable temperature operation. Under tariff item 8415.90.90 they are mounting components dedicated to air conditioning machines.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the mounts are made wholly of rubber and not identifiable as AC parts
Articles of vulcanised rubber for technical uses fall in Chapter 40 when not dedicated to specific machinery.
If the mounts are primarily steel and not recognizable as AC components
Other articles of iron or steel may apply if the vibration isolators are generic industrial mounts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify these mounts as parts of air conditioning machines, not as general rubber articles, to benefit from the parts rate
• Provide technical specifications showing the isolators are designed solely for AC compressor mounting
• Keep supplier documentation on material composition (rubber/steel) for CBSA verification
Related Products under Tariff item 8415.90.90
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