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SITCSection 8
U.S. imports of parts & accessories for liquid or gas measurement instruments (nes) (SITC 87439) totaled $64.8M in April 2026, traded with 60 countries.
Importers of Parts & Accessories for Liquid or Gas Measurement Instruments (NES) paid $5.3M in duties in April 2026 — an effective duty rate of 13% on $41.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataReplacement sensors, housings, display modules, and other components destined for flow, level, pressure, and variable-measurement instruments are grouped here when they are not more specifically classified elsewhere. Traded separately from finished instruments, these parts support aftermarket maintenance and OEM assembly operations in industries ranging from water utilities to semiconductor fabs. Correct parts classification requires confirming that the component is dedicated to instruments within the 874 family rather than to general industrial machinery, as misclassification can affect both duty rates and export-control screening.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A component that is clearly designed and marketed as a spare or replacement for a measurement instrument, and that cannot function independently as a complete instrument, is generally classified as a part under 87439. If the sensor is self-contained and sold as a standalone measuring device, it may qualify as a finished instrument under the appropriate instrument heading.
Yes. Parts and accessories for measurement instruments sourced from certain origins may carry Section 301 exposure under the corresponding HTS subheadings. Importers should verify the applicable HTS code and country of origin for each part number, as duty treatment for components can differ from that of the finished instruments they support.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $16.2M | $22.3M | +$6.1M |
| CANADA | $7.7M | $6.2M | -$1.5M |
| CHINA | $4.7M | $6.6M | +$1.9M |
| GERMANY | $8.6M | $1.5M | -$7.1M |
| UNITED KINGDOM | $3.5M | $4.8M | +$1.3M |
Monthly import values over time