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HS code 8431.43: Parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30, of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430 41 or 8430 49

Last updated

Key facts

HS code
8431.43
Covers
Parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30, of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430 41 or 8430 49
Edition
HS2022
Duty in the United States
See its 5 lines

Summary

HS code 8431.43 covers parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30, of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430 41 or 8430 49. It sits in heading 84.31 (parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.31 are classified under 8431.10 (of machinery of heading 84.25), 8431.20 (of machinery of heading 84.27), 8431.31 (of machinery of heading 8428, of lifts, skip hoists or escalators), 8431.39 (of machinery of heading 8428, other) or 3 others. National tariff lines under 8431.43 are live on border.bot for the United States (5 lines, also used by 1 other country).

What this code covers

HS code 8431.43 covers parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30, of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430 41 or 8430 49.

The legal text of the subheading is “Of machinery of heading 8426, 8429 or 8430: Parts for boring or sinking machinery of subheading 8430 41 or 8430 49”, read under “Of machinery of heading 8426, 8429 or 8430”, in HS2022.

What it doesn’t cover

Other goods of heading 84.31 are classified under 8431.10 (of machinery of heading 84.25), 8431.20 (of machinery of heading 84.27), 8431.31 (of machinery of heading 8428, of lifts, skip hoists or escalators), 8431.39 (of machinery of heading 8428, other) or 3 others.

  • 8431.10Of machinery of heading 84.25
  • 8431.20Of machinery of heading 84.27
  • 8431.31Of machinery of heading 8428: Of lifts, skip hoists or escalators
  • 8431.39Of machinery of heading 8428: Other
  • 8431.41Of machinery of heading 8426, 8429 or 8430: Buckets, shovels, grabs and grips
  • 8431.42Of machinery of heading 8426, 8429 or 8430: Bulldozer or angledozer blades
  • 8431.49Of machinery of heading 8426, 8429 or 8430: Other

How it is structured

8431.43 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8431, are heading 84.31; the last two, 43, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

Within the heading
Of machinery of heading 8426, 8429 or 8430
Subheading 8431.43
Parts for boring or sinking machinery of subheading 8430 41 or 8430 49

In other countries

National tariff lines under 8431.43 are live on border.bot for the United States (5 lines, also used by 1 other country).

Frequently asked questions

What does HS code 8431.43 cover?

HS code 8431.43 covers parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30, of machinery of heading 8426, 8429 or 8430, parts for boring or sinking machinery of subheading 8430 41 or 8430 49.

Which heading and chapter is HS code 8431.43 in?

HS code 8431.43 is in heading 84.31 (parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).

Where are goods of heading 84.31 classified when 8431.43 doesn’t fit?

Other goods of heading 84.31 are classified under 8431.10 (of machinery of heading 84.25), 8431.20 (of machinery of heading 84.27), 8431.31 (of machinery of heading 8428, of lifts, skip hoists or escalators), 8431.39 (of machinery of heading 8428, other) or 3 others.

Which countries’ tariffs list national lines under HS code 8431.43?

National tariff lines under 8431.43 are live on border.bot for the United States (5 lines, also used by 1 other country).

Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

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