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 1,591 U.S. import bill-of-lading shipment records between Aug 2019 and Jul 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 99 shipments, followed by P and SIMEM AMERICA CORP. The leading supplier is DSV AIR A SEA SA DE CV, with 78 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 July 2026
Shipments over time (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 75 shipments, followed by P → P (50) and SIMEM SPA → SIMEM AMERICA CORP (42).
Top U.S. importers
| Importer | Shipments |
|---|---|
| GENERAL MOTORS DO BRASIL LTDA | 99 |
| P | 62 |
| SIMEM AMERICA CORP | 55 |
| ASTEC INC | 40 |
| ORMAT NEVADA INC | 40 |
Top suppliers
| Supplier | Shipments |
|---|---|
| DSV AIR A SEA SA DE CV | 78 |
| SIMEM SPA | 58 |
| P | 50 |
| TCL AIR CONDITIONER ZHONGSHAN COMPA | 33 |
| CENTURY DISTRIBUTION SYSTEMS INC | 28 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 446 |
| GERMANY | 142 |
| REPUBLIC OF KOREA | 137 |
| ITALY | 112 |
| JAPAN | 99 |
| BELGIUM | 81 |
| INDIA | 70 |
| SPAIN | 67 |
| MEXICO | 31 |
| FINLAND | 24 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 345 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 265 |
| SAVANNAH, GA | 155 |
| LONG BEACH, CA | 139 |
| LOS ANGELES, CA | 130 |
| MIAMI, FL | 82 |
| CHARLESTON, SC | 72 |
| NORFOLK, VA | 54 |
| SAN JUAN, PUERTO RICO | 53 |
| SEATTLE, WA | 48 |
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.
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, ASTEC INC, and ORMAT NEVADA 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 99 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 CENTURY DISTRIBUTION SYSTEMS INC.
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 1,591 U.S. import shipment records under HS code 840490, spanning Aug 2019 to Jul 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.
Start for free