Automotive Timing Chain Kit 25H from Mexico
Precision timing chain with 6.35 mm pitch, over 3 parts per pitch (hyvo links, pins, guides), steel construction for engine synchronization. Classifies under HTS 7315.12.0020 for small pitch and articulated multi-part design. Used in small engines and motorcycles.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) 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
• Exclude tensioners/guides from chain invoice; kits risk Chapter 84 classification
• Automotive origin certificates can reduce duties under USMCA; verify steel melt location