Mud Pump Piston Cups from Canada
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.
Duty Rate — Canada → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify pump model (e.g
• F-1600 triplex) compatibility
• Test certificates for 5,000 PSI pressure and abrasion resistance required