# HTS 8538: Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537:

https://geopax.app/tariffs/catalog/85/8538

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=8538). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 8538: Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 8538 | Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537: |  |  |  |  |
| 8538.10.00.00 |   Boards, panels, consoles, desks, cabinets and other bases for the goods of heading 8537, not equipped with their apparatus | Free |  | 35% | No. |
| 8538.90 |   Other: |  |  |  |  |
|  |     Printed circuit assemblies: |  |  |  |  |
| 8538.90.10.00 |       Of an article of heading 8537 for one of the articles described in additional U.S. note 11 to chapter 85 | Free |  | 35% | No. |
| 8538.90.30.00 |       Other | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8538.90.40.00 |     Other, for the articles of subheading 8535.90.40, 8536.30.40 or 8536.50.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
|  |     Other: |  |  |  |  |
| 8538.90.60.00 |       Molded parts | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | kg |
| 8538.90.81 |       Other | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% |  |
| 8538.90.81.20 |         Of automatic circuit breakers | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
|  |         Other: | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% |  |
| 8538.90.81.40 |           Metal contacts | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | kg |
| 8538.90.81.60 |           Other parts of switchgear, switchboards, panel boards and distribution boards | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8538.90.81.80 |           Other | 3.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |