Mud Pump Piston Cups
Rubber-lined piston cups for high-pressure mud pumps on 8430.41 drilling rigs. Circulates drilling fluid during boring operations. Classified 8431.43.80 as sinking parts.
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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 parts of general liquid pumps, not rig-specific
Pump parts without principal boring machinery use go with pumps in 8413.
If general rubber gaskets/seals
Articles of rubber not machinery-specific classify in Chapter 40.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify pump model (e.g
• F-1600 triplex) compatibility
• Test certificates for 5,000 PSI pressure and abrasion resistance required
Related Products under HTS 8431.43.80
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Casing Hammer Cylinder
Hydraulic cylinder for down-the-hole casing hammers used with 8430.49 pile driving/sinking rigs. Drives steel casing into ground. 8431.43.80 part.
Pile Driving Lead Guide
Adjustable steel guide channels for pile leads on 8430.41 boring/sinking rigs. Aligns hammer and pile during vertical driving. Fits 8431.43.80.
Rotary Drill Bit for Oil Well Drilling
Tungsten carbide-tipped rotary drill bit designed specifically for use with boring machinery in oil and gas drilling rigs under HTS 8430.41. It features polycrystalline diamond cutters for penetrating hard rock formations during deep well boring. Classified under 8431.43.80 as a part for boring or sinking machinery of subheading 8430.41.
Diamond Impregnated Core Drill Bit
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