Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490)
Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490) has 1,810 U.S. import bill-of-lading shipment records between Aug 2019 and Aug 2026. The largest U.S. importer of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) is GENERAL MOTORS DO BRASIL LTDA, with 133 shipments, followed by P and SIMEM AMERICA CORP. The leading supplier is DSV AIR A SEA SA DE CV, with 113 shipments, followed by SIMEM SPA and P. Goods originate mainly from CHINA and GERMANY, arriving primarily at HOUSTON, TX. Import volume has risen over the past 12 months versus the prior year.
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/840490-parts-of-auxiliary-plant-for-use-with-boilers-of-heading-8402-or-8403-for-example-economizers-super-heaters-so
See all 1,810 shipments of HS 840490 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is DSV AIR A SEA SA DE CV → GENERAL MOTORS DO BRASIL LTDA with 109 shipments, followed by P → P (61) and SIMEM SPA → SIMEM AMERICA CORP (54).
Top U.S. importers
| Importer | Shipments |
|---|---|
| GENERAL MOTORS DO BRASIL LTDA | 133 |
| P | 76 |
| SIMEM AMERICA CORP | 67 |
| ORMAT NEVADA INC | 50 |
| ASTEC INC | 42 |
| PRODESA NORTH AMERICA CORP | 34 |
| WARTSILA NORTH AMERICA INC | 33 |
| TTE TECHNOLOGY INCORPORATED | 32 |
| CONFORMATIC CORP | 31 |
| CLYDE INDUSTRIES INC | 29 |
Top suppliers
| Supplier | Shipments |
|---|---|
| DSV AIR A SEA SA DE CV | 113 |
| SIMEM SPA | 70 |
| P | 61 |
| TCL AIR CONDITIONER ZHONGSHAN COMPA | 43 |
| WARTSILA FINLAND OY | 39 |
| CENTURY DISTRIBUTION SYSTEMS INC | 30 |
| PRODESA MEDIOAMBIENTE S L | 30 |
| ANHUI NINGGUO HUADA WEAR RESISTANT MATERIAL CO LTD | 23 |
| RAMESH FLOWERS PRIVATE LIMITED | 23 |
| ATKINS | 22 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 538 |
| GERMANY | 158 |
| REPUBLIC OF KOREA | 142 |
| ITALY | 130 |
| JAPAN | 108 |
| BELGIUM | 93 |
| INDIA | 78 |
| SPAIN | 73 |
| TURKEY | 33 |
| MEXICO | 31 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 414 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 289 |
| SAVANNAH, GA | 166 |
| LONG BEACH, CA | 165 |
| LOS ANGELES, CA | 149 |
| MIAMI, FL | 89 |
| CHARLESTON, SC | 79 |
| NORFOLK, VA | 65 |
| SAN JUAN, PUERTO RICO | 62 |
| NEW YORK, NY | 49 |
Harmonized System classification
HS code 840490 — Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers). The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 8404
Other six-digit codes in HS 8404: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers), with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Condensers for steam or other vapor power units (840420) | 10,483 |
| Auxiliary plant for use with boilers of heading 8402 or 8403 (840410) | 240 |
Frequently asked questions about importing Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)
Who imports Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) include GENERAL MOTORS DO BRASIL LTDA, P, SIMEM AMERICA CORP, ORMAT NEVADA INC, and ASTEC INC.
Who is the largest U.S. importer of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)?
GENERAL MOTORS DO BRASIL LTDA is the largest U.S. importer of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490), with 133 bill-of-lading shipment records.
Who are the top suppliers of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)?
Leading suppliers shipping Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) (HS 840490) to the U.S. include DSV AIR A SEA SA DE CV, SIMEM SPA, P, TCL AIR CONDITIONER ZHONGSHAN COMPA, and WARTSILA FINLAND OY.
How many U.S. shipments of Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) are there?
ImportDoor has 1,810 U.S. import shipment records under HS code 840490, spanning Aug 2019 to Aug 2026.
Where is Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) imported from?
Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) is imported into the U.S. primarily from CHINA, GERMANY, and REPUBLIC OF KOREA.
Find Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers) importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 840490, with contact details and container-level shipment records on ImportDoor.
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