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HSChapter 84
U.S. imports of parts of pumps for liquids (HS 841391) totaled $239.1M in April 2026, traded with 74 countries.
Importers of Parts of Pumps for Liquids paid $49.7M in duties in April 2026 — an effective duty rate of 25% on $195.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8413919096 | PARTS OF PUMPS FOR LIQUIDS, NESOI | $125.6M | 27.15% | $29.6M |
| 8413919060 | PARTS OF HYDRAULIC FLUID POWER PUMPS, NESOI | $39.2M | 27.70% | $8.7M |
| 8413919010 | PARTS,FUEL,LUBRIC OR COOL MED PUMPS,EXC FUEL-INJET | $26.4M | 22.43% | $4.3M |
| 8413919085 | PARTS OF PUMPS OF STAT. NO. 8413.50.0010, NESOI | $19.6M | 15.84% | $2.5M |
| 8413911000 | PARTS OF FUEL-INJECTION PUMPS FOR COMP-IGNIT PUMPS | $10.2M | 21.10% | $1.6M |
| 8413919055 | FLUID END BLOCKS | $9.6M | 24.74% | $2.3M |
| 8413919065 | SUCKER RODS OF A KIND IN STAT NOTE 1 TO THIS CH | $7.0M | 23.38% | $582K |
| 8413912000 | PTS OF STOCK PUMPS FOR MACH FOR MAKING CELLUL PULP | $1.5M | 15.23% | $201K |
PARTS OF PUMPS FOR LIQUIDS, NESOI
PARTS OF HYDRAULIC FLUID POWER PUMPS, NESOI
PARTS,FUEL,LUBRIC OR COOL MED PUMPS,EXC FUEL-INJET
PARTS OF PUMPS OF STAT. NO. 8413.50.0010, NESOI
PARTS OF FUEL-INJECTION PUMPS FOR COMP-IGNIT PUMPS
FLUID END BLOCKS
SUCKER RODS OF A KIND IN STAT NOTE 1 TO THIS CH
PTS OF STOCK PUMPS FOR MACH FOR MAKING CELLUL PULP
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8413919520 | PARTS, NESOI, OF PUMPS FOR LIQUIDS | $130.5M |
| 8413919050 | PARTS OF HYDRAULIC FLUID POWER PUMPS | $37.9M |
| 8413911000 | PARTS OF FUEL-INJECTION PUMPS FOR COMP-IGNIT PUMPS | $19.3M |
| 8413919010 | PARTS,FUEL,LUBRIC OR COOL MED PUMPS,EXC FUEL-INJET | $12.1M |
PARTS, NESOI, OF PUMPS FOR LIQUIDS
2.1M kg
PARTS OF HYDRAULIC FLUID POWER PUMPS
775.6K kg
PARTS OF FUEL-INJECTION PUMPS FOR COMP-IGNIT PUMPS
398.1K kg
PARTS,FUEL,LUBRIC OR COOL MED PUMPS,EXC FUEL-INJET
372.6K kg
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $58.2M | $34.5M | -$23.6M |
| California | $19.6M | $15.7M | -$3.9M |
| Michigan | $17.0M | $13.0M | -$4.0M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $32.0M | $3.3M | -$28.7M |
| LAREDO, TX | $17.5M | $16.5M | -$989K |
| HOUSTON, TX | $18.1M | $14.1M | -$4.0M |