Compression Ring Set for Reciprocating AC Compressors from Germany
Multi-piece piston ring set (compression, oil control, wiper) for reciprocating air conditioning compressors. Precision-ground for minimal leakage under HTS 8414.90.4140. Critical for maintaining compression ratios.
Duty Rate — Germany → 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
• Ring gap and tension specifications for specific bores
• Material analysis (cast iron, PTFE coating)
• Avoid engine ring classification through compressor specs