Nuclear Reactors, Boilers, Machinery · $184.0M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$184.0M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
LOW
9 rulings — · 0 reg · 0 cases
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 5 NCM codes
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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
This is a high-volume import code — $184M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.
List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 8419.50 | Heat exchange units: | — |
| 8419.50.10.00 | Brazed aluminum plate-fin heat exchangers | 4.2% |
| 8419.50.50.00 | Other | Free |
Application for Further Review of Protest 1601-14-100102; Tariff Classification of an Exhaust Gas Recirculation Cooler.
Protest No. 2809-20-105171; Classification of heat exchangers
The tariff classification of incomplete heat exchange coolers from China
Protest No. 3901-20-109677; classification of plate-fin air-cooled heat exchangers
Application for Further Review Protest No. 3901-13-100286; Tariff Classification of a Radiator Assembly and WHL Radiator
Revocation of NY J88055 (issued on September 3, 2003) regarding the tariff classification of an auxiliary vehicle heater unit
Revocation of NY 859202 (issued on January 18, 1991) regarding the tariff classification of the "Thermo Star" auxiliary vehicle heater unit
Request for Reconsideration of HQ H243584; Tariff Classification of a Radiator Assembly and WHL Radiator
Protest 2904-98-100045; Intercoolers and aftercoolers for compressors Dear Port Director:
HEAT EXCHANGE UNITS, INDUSTRIAL TYPE
Census Bureau export classification matching this HTS import code.
