8413.91.90.55—Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof, of pumps, fluid end blocksGeneral
Free
Units
No.
Column 2
35%
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HTS links are screening indicators. Review each order's written scope before deciding whether it may cover a shipment.
HTS 8413.91.90.55 is the U.S. Harmonized Tariff Schedule classification for Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof, of pumps, fluid end blocks. It's a 10-digit statistical line in Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. 15 Chapter 99 flags link to this code (9 active, 6 expired), and 4 potentially relevant AD/CVD order flags link to this code. A Chapter 99 flag is not a shipment-level determination; origin, product facts, claims, and entry date control whether a provision applies.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 flags linked to this code; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.74.08 | section_232Active | The duty provided in the applicable subheading + 25% |
| 9903.74.09 | section_232Active | The duty provided in the applicable subheading + 25% |
| 9903.74.10 | section_232Active | The duty provided in the applicable subheading |
| 9903.74.11 | section_232Active | The duty provided in the applicable subheading |
| 9903.80.03 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.91 | section_232Expired | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232Expired | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.82.05 | section_232Active | 15% |
| 9903.82.13 | section_232Active | 0% |
| 9903.82.15 | section_232Active | 10% |
| 9903.88.01 | section_301Active | The duty provided in the applicable subheading plus 25% |
| 9903.88.15 | section_301Active | The duty provided in the applicable subheading + 7.5% |
HTS-linked orders that may be relevant to imports under this code. An HTS link is a screening aid; actual coverage depends on each order's written product scope. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
HTS 8413.91.90.55 is the U.S. Harmonized Tariff Schedule classification for Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof, of pumps, fluid end blocks. It belongs to Chapter 84 of the HTSUS.
The general (Column 1) duty rate for HTS 8413.91.90.55 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 8413.91.90.55 is 35%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
Tandom links section_232 provision 9903.74.08 to HTS 8413.91.90.55. Its published rate notation is The duty provided in the applicable subheading + 25%, and its status on 2026-09-05 is active. 14 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
Tandom links 4 potentially relevant AD/CVD order flags to this code: C-428-848 (CVD, Germany), C-475-841 (CVD, Italy), C-533-894 (CVD, India) plus 1 more. An HTS link is a screening aid; review each order's written scope and linked case materials to determine whether a product is covered.
Tandom guides relevant to this code
What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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Drop the Tandom Duty Calculator API into a TMS, broker software, or in-house ERP. Code samples, the response shape, and ACE reporting order, in 2026.
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