HS 8421 — Centrifuges, including centrifugal dryers

HS heading 8421 (Centrifuges, including centrifugal dryers) spans 12 products in U.S. import records, with 197,543 bill-of-lading shipments. The most imported are Filtering or purifying machinery and apparatus for gases, other, Centrifuges, including centrifugal dryers of centrifuges, including centrifugal dryers, and Centrifuges, including centrifugal dryers, cream separators.

Part of Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/8421

Products under this heading

HS	Product	Shipments
842139	Filtering or purifying machinery and apparatus for gases, other	39,385
842191	Centrifuges, including centrifugal dryers of centrifuges, including centrifugal dryers	31,131
842111	Centrifuges, including centrifugal dryers, cream separators	22,523
842199	Centrifuges, including centrifugal dryers, other	22,008
842131	Intake air filters for internal combustion engines	21,070
842123	Oil or fuel filters for internal combustion engines	15,622
842121	For filtering or purifying water	12,570
842122	For filtering or purifying beverages other than water	11,138
842129	Filtering or purifying machinery and apparatus for liquids, other	10,112
842119	Centrifuges, including centrifugal dryers, other	9,606
842112	Centrifuges, including centrifugal dryers, clothes-dryers	2,041
842132	Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines	337

Frequently asked questions about HS 8421

What is HS code 8421?

HS 8421 covers centrifuges, including centrifugal dryers. It is a 4-digit heading in chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances) of the Harmonized System, with 12 six-digit subheadings that appear in U.S. import records.

How many U.S. import shipments fall under HS 8421?

ImportDoor has 197,543 U.S. Customs bill-of-lading shipment records under HS heading 8421, updated monthly.

What is the most imported product under HS 8421?

Filtering or purifying machinery and apparatus for gases (HS 842139) leads with 39,385 shipments, followed by Centrifuges (HS 842191) and Centrifuges, including centrifugal dryers, cream separators (HS 842111).