# United States tariff line 8419.50.10.00: Brazed aluminum plate-fin heat exchangers

> In the United States tariff, line 8419.50.10.00 covers heat exchange units, brazed aluminum plate-fin heat exchangers. The general (MFN) duty rate is 4.2%. It falls under HS subheading 8419.50 in heading 84.19 (chapter 84).

Source: https://border.bot/countries/united-states/hs-codes/8419501000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8419.50](https://border.bot/countries/united-states/hs-codes/841950) / [8419.50.10.00](https://border.bot/countries/united-states/hs-codes/8419501000)

## Key facts

- Tariff line: 8419.50.10.00
- Covers: Heat exchange units, brazed aluminum plate-fin heat exchangers
- Duty (MFN): 4.2%
- Preferential rates: From free (18 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8419.50](https://border.bot/hs-codes/841950)

## What this line covers

In the United States tariff, line 8419.50.10.00 covers heat exchange units, brazed aluminum plate-fin heat exchangers.

Its legal text is “Brazed aluminum plate-fin heat exchangers”, read under “Heat exchange units”.

## How it is structured

It falls under HS subheading 8419.50 in heading 84.19 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.19: Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts…
- Subheading 8419.50: Heat exchange units
- Line 8419.50.10.00: Brazed aluminum plate-fin heat exchangers

## Duty

The general (MFN) duty rate is 4.2%.

Duty-free entry applies to goods that qualify under 17 programmes, and to goods from a group of origins (origin group A).

- Free: a group of origins (origin group A) (A)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: Trade Agreement Between the United States and Japan (JP)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 8419.50 yet.

- [The Harmonized System text for 8419.50](https://border.bot/hs-codes/841950)

## Other lines under 8419.50

- [8419.50.50.00](https://border.bot/countries/united-states/hs-codes/8419505000) Other

- Previous line: [8419.40.00.90](https://border.bot/countries/united-states/hs-codes/8419400090) Other
- Next line: [8419.50.50.00](https://border.bot/countries/united-states/hs-codes/8419505000) Other

## Frequently asked questions

### What does tariff line 8419.50.10.00 cover in the United States tariff?

In the United States tariff, line 8419.50.10.00 covers heat exchange units, brazed aluminum plate-fin heat exchangers.

### What is the general (MFN) duty on 8419.50.10.00 in the United States?

The general (MFN) duty rate is 4.2%.

### Which preferential rates apply to 8419.50.10.00?

Duty-free entry applies to goods that qualify under 17 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, Trade Agreement Between the United States and Japan, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A).

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/8419501000.json