Piston Assembly for Reciprocating Liquid Pumps
Hardened steel piston with rings for positive displacement reciprocating pumps handling viscous liquids. HTS 8413.91.90 for other pump parts, enabling high-pressure metering in chemical processing. Tolerates abrasive slurries.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete rotary positive displacement pumps
Assembled pumps, not parts, have dedicated subheadings.
If parts for concrete pumps
End-use in construction machinery shifts to 8431.
If general forged steel articles
Plain steel forgings without machining for pumps are Chapter 73.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Detail stroke volume and material hardness to confirm liquid pump specificity
• Plunger types may require hydraulic test reports for customs
Related Products under HTS 8413.91.90
Magnetic Coupling for Sealless Pumps
Rare earth magnetic drive coupling transmitting torque across containment shell in sealless centrifugal pumps. HTS 8413.91.90 as liquid pump parts, eliminating shaft seals for hazardous chemicals. Zero leakage design.
Diffuser Bowl for Multistage Booster Pumps
Precision-machined stainless diffuser bowl stacking in multistage booster pumps for high-pressure water supply. HTS 8413.91.90 other pump parts, directing flow between impellers. Balances radial thrust.
Volute Liner for Slurry Pumps
Replaceable rubber or polyurethane volute liner protecting slurry pump casings from abrasive wear. Under HTS 8413.91.90 for other liquid pump parts, essential for mining/dredging. High elasticity absorbs impacts.
Cam Rotor for Gear Pumps
Precision-ground steel cam rotor meshing with idler gear in external gear pumps for oils/lubricants. HTS 8413.91.90 as other pump parts, providing positive displacement with minimal slip. Heat-treated for precision.
Adjustable Nozzle for Metering Pumps
Tungsten carbide adjustable discharge nozzle for precision metering pumps in water treatment. HTS 8413.91.90 as other liquid pump parts, controlling flow rate with micrometer adjustment. Wear-resistant tip.
Flexible Impeller for Handheld Bilge Pumps
Neoprene flexible impeller for self-priming handheld bilge pumps on boats. Classified HTS 8413.91.90 as parts of liquid pumps, conforming to casing for efficient water evacuation. Collapses for dry running.