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HSChapter 84
U.S. imports of parts of pumps for liquids (HS 841391) totaled $242.8M in July 2026, traded with 78 countries.
Importers of Parts of Pumps for Liquids paid $43.8M in duties in July 2026 — an effective duty rate of 22% on $200.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataReplacement and OEM parts for liquid pumps span a broad range of subheadings here, from fuel-injection pump components for compression-ignition engines (8413911000) to hydraulic fluid power pump parts (8413919050, 8413919060), fluid end blocks (8413919055), and sucker rods used in oil-field applications (8413919065). The granularity of the US schedule reflects the commercial importance of aftermarket supply chains in the oil and gas, automotive, and industrial sectors. China is the leading supplier, followed by Mexico and India, and Chinese-origin parts are subject to Section 301 tariffs — a significant cost consideration for MRO buyers sourcing high-volume replacement components. Correct parts classification requires identifying the parent pump's HTS heading, as several lines are defined by reference to the pump they serve.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
18.0K shipments/mo
Parts of pumps are generally classified by reference to the specific pump type they are designed for. When a component is dedicated to a particular pump — such as a fuel-injection pump or a hydraulic fluid power pump — it follows the parts line for that pump type. Generic parts not dedicated to a specific pump type fall under the residual NESOI lines. Importers should document the parent pump's classification and the part's functional relationship to support the chosen tariff line.
A fluid end block (8413919055) is the high-pressure manifold assembly on a reciprocating plunger pump — widely used in oilfield hydraulic fracturing and well-service operations — that houses the suction and discharge valves. Its commercial significance in the oil and gas sector, combined with high import volumes, led to a dedicated 10-digit line separate from other hydraulic pump parts, allowing more precise trade monitoring.
Subheading 1 of 12 in heading 8413
Subheading 841391 · $242.8M of $1.1B
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$242.8MYoY · Pro
Exports
$185.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
15.4% enters free of duty; the effective duty rate is 18.05%.