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HSChapter 84
U.S. imports of fuel, lubricating & cooling medium pumps for internal combustion piston engines (HS 841330) totaled $235.7M in July 2026, traded with 102 countries.
Importers of Fuel, Lubricating & Cooling Medium Pumps for Internal Combustion Piston Engines paid $28.6M in duties in July 2026 — an effective duty rate of 17% on $164.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 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.
13.0K shipments/mo
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.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8413309030 | Fuel Pumps, Exc Fuel-Inject, For Intrl Comb Pst Eg | $89.2M | 12.33% | 73.49% | $11.0M |
| 8413309090 | Cooling Medium Pumps for Internal Comb Piston Engs | $66.3M | 13.07% | 76.55% | $8.7M |
| 8413301000 | Fuel-Injection Pumps for Compression-Ignition Engs | $47.9M | 11.49% | 58.63% | $5.5M |
| 8413309060 | Lubricating Pumps for Internal Combustion Pst Engs | $32.3M | 10.59% | 61.23% | $3.4M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8413309000 | Fuel,Lubricat or Cooling Med Pumps,Exc Fuel-Inject | $67.3M |
| 8413301000 | Fuel-Injection Pumps for Compression-Ignition Engs | $30.3M |
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
$235.7MYoY · Pro
Exports
$97.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Japan together supply 43% of it.
customs district
destination
entry
rate provision · imports
27.7% enters free of duty; the effective duty rate is 12.13%.