840490 — Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units: Parts
- Covers:
- Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers…
- Listed US duty:
- 3.5% (US general rate, HTS 2026)
Official description
Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units : Parts
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 840490 covers and what it doesn’t
Official text: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units › Parts.
Nearby codes to check
- Heading 8404 Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units: every subheading side by side.
- 840410 Auxiliary plant for use with boilers of heading 8402 or 8403
- 840420 Condensers for steam or other vapour power units
US duty rate
3.5%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 840490
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 840490 →
Common questions
- What is HS code 840490?
- Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units : Parts
- What duty rates apply to 840490?
- Listed duty rates range from 3.5% across 1 country rate.
Go beyond the code
Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.