# United States tariff lines under HS 8413.91

> The United States tariff splits HS 8413.91 (parts: Of pumps) into 12 national lines: 8413.91.10.00 (of fuel-injection pumps for compression-ignition engines), 8413.91.20.00 (of stock pumps imported for use with machines for making cellulosic pulp, paper or paperboard), 8413.91.90.15 (of subheading 8413.30.90), 8413.91.90.20 (fluid end blocks) and 8 others.

Source: https://border.bot/countries/united-states/hs-codes/841391
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) / [8413.91](https://border.bot/countries/united-states/hs-codes/841391)

## Key facts

- HS subheading: [8413.91](https://border.bot/hs-codes/841391)
- National lines: 12
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8413.91

The United States tariff splits HS 8413.91 (parts: Of pumps) into 12 national lines: 8413.91.10.00 (of fuel-injection pumps for compression-ignition engines), 8413.91.20.00 (of stock pumps imported for use with machines for making cellulosic pulp, paper or paperboard), 8413.91.90.15 (of subheading 8413.30.90), 8413.91.90.20 (fluid end blocks) and 8 others.

- [8413.91.10.00](https://border.bot/countries/united-states/hs-codes/8413911000) Parts, Of pumps, Of fuel-injection pumps for compression-ignition engines. Duty (MFN): 2.5%
- [8413.91.20.00](https://border.bot/countries/united-states/hs-codes/8413912000) Parts, Of pumps, Of stock pumps imported for use with machines for making cellulosic pulp, paper or paperboard. Duty (MFN): free
- [8413.91.90.15](https://border.bot/countries/united-states/hs-codes/8413919015) Parts, Of pumps, Other, Of subheading 8413.30.90. Duty (MFN): free
- [8413.91.90.20](https://border.bot/countries/united-states/hs-codes/8413919020) Parts, Of pumps, Other, Of hydraulic fluid power pumps, Fluid end blocks. Duty (MFN): free
- [8413.91.90.29](https://border.bot/countries/united-states/hs-codes/8413919029) Parts, Of pumps, Other, Of hydraulic fluid power pumps, Other. Duty (MFN): free
- [8413.91.90.31](https://border.bot/countries/united-states/hs-codes/8413919031) Parts, Of pumps, Other, Of subheading 8413.50.00, Sucker rods of a kind described in statistical note 3 to this chapter. Duty (MFN): free
- [8413.91.90.39](https://border.bot/countries/united-states/hs-codes/8413919039) Parts, Of pumps, Other, Of subheading 8413.50.00, Other. Duty (MFN): free
- [8413.91.90.41](https://border.bot/countries/united-states/hs-codes/8413919041) Parts, Of pumps, Other, Of copper or copper alloys as described in statistical note 4 to this chapter, Of subheading 8413.30.90. Duty (MFN): free
- [8413.91.90.44](https://border.bot/countries/united-states/hs-codes/8413919044) Parts, Of pumps, Other, Of copper or copper alloys as described in statistical note 4 to this chapter, Of hydraulic fluid power pumps. Duty (MFN): free
- [8413.91.90.46](https://border.bot/countries/united-states/hs-codes/8413919046) Parts, Of pumps, Other, Of copper or copper alloys as described in statistical note 4 to this chapter, Of subheading 8413.50.00. Duty (MFN): free
- [8413.91.90.59](https://border.bot/countries/united-states/hs-codes/8413919059) Parts, Of pumps, Other, Of copper or copper alloys as described in statistical note 4 to this chapter, Other. Duty (MFN): free
- [8413.91.90.99](https://border.bot/countries/united-states/hs-codes/8413919099) Parts, Of pumps, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8413.91 yet.

- [The Harmonized System text for 8413.91](https://border.bot/hs-codes/841391)

- Previous subheading: [8413.82](https://border.bot/countries/united-states/hs-codes/841382) Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof
- Next subheading: [8413.92](https://border.bot/countries/united-states/hs-codes/841392) Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8413.91?

The United States tariff splits HS 8413.91 (parts: Of pumps) into 12 national lines: 8413.91.10.00 (of fuel-injection pumps for compression-ignition engines), 8413.91.20.00 (of stock pumps imported for use with machines for making cellulosic pulp, paper or paperboard), 8413.91.90.15 (of subheading 8413.30.90), 8413.91.90.20 (fluid end blocks) and 8 others.

## 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/841391.json