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HSChapter 84
U.S. imports of fuel, lubricating & cooling medium pumps for internal combustion piston engines (HS 841330) totaled $251.6M in April 2026, traded with 88 countries.
Importers of Fuel, Lubricating & Cooling Medium Pumps for Internal Combustion Piston Engines paid $37.0M in duties in April 2026 — an effective duty rate of 20% on $187.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataFuel-injection pumps for compression-ignition (diesel) engines — classified under 8413301000 — and the broader range of fuel, lubricating-oil, and coolant pumps for gasoline and diesel piston engines make this heading a critical node in automotive and heavy-equipment supply chains. Mexico and Japan lead US imports, reflecting deeply integrated OEM and aftermarket supply networks for passenger vehicles and commercial trucks. Germany also ranks among the top suppliers, consistent with its role in diesel injection system manufacturing. Importers should note that fuel-injection pumps for compression-ignition engines occupy a dedicated tariff line separate from all other pump types in this heading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Compression-ignition (diesel) fuel-injection pumps are precision, high-pressure components with distinct engineering characteristics and trade volumes that justify their own statistical tracking. All other fuel pumps, lubricating pumps, and cooling medium pumps for piston engines — whether for gasoline or diesel applications — fall under the remaining lines in 841330, which are further subdivided by function.
Yes — cooling medium pumps for internal combustion piston engines, including water pumps for gasoline engines, are specifically provided for under 8413309090. The pump must be designed for use in a piston engine; water pumps for industrial or HVAC applications would classify elsewhere in Chapter 84.
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8413309030 | FUEL PUMPS, EXC FUEL-INJECT, FOR INTRL COMB PST EG | $99.5M | 20.90% | $16.3M |
| 8413309090 | COOLING MEDIUM PUMPS FOR INTERNAL COMB PISTON ENGS | $72.1M | 18.09% | $10.3M |
| 8413301000 | FUEL-INJECTION PUMPS FOR COMPRESSION-IGNITION ENGS | $45.2M | 19.69% | $5.6M |
| 8413309060 | LUBRICATING PUMPS FOR INTERNAL COMBUSTION PST ENGS | $34.8M | 19.83% | $4.8M |
FUEL PUMPS, EXC FUEL-INJECT, FOR INTRL COMB PST EG
COOLING MEDIUM PUMPS FOR INTERNAL COMB PISTON ENGS
FUEL-INJECTION PUMPS FOR COMPRESSION-IGNITION ENGS
LUBRICATING PUMPS FOR INTERNAL COMBUSTION PST ENGS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8413309000 | FUEL,LUBRICAT OR COOLING MED PUMPS,EXC FUEL-INJECT | $64.7M |
| 8413301000 | FUEL-INJECTION PUMPS FOR COMPRESSION-IGNITION ENGS | $27.7M |
FUEL,LUBRICAT OR COOLING MED PUMPS,EXC FUEL-INJECT
723.1K no
FUEL-INJECTION PUMPS FOR COMPRESSION-IGNITION ENGS
115.0K no
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Michigan | $62.4M | $12.8M | -$49.6M |
| Texas | $32.2M | $8.5M | -$23.6M |
| South Carolina | $26.7M | $1.5M | -$25.2M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $34.7M | $12.9M | -$21.8M |
| DETROIT, MI | $25.0M | $12.5M | -$12.5M |
| LOS ANGELES, CA | $26.4M | $3.2M | -$23.2M |