Description
This 4-gear replacement kit is specifically designed for the repair and maintenance of Singer mechanical sewing machines, widely used by both individuals and professionals in France. It includes a large feed shaft gear (174491), a long feed transmission gear (174488), a hook transmission gear (163997), and a vertical shaft upper gear (163328). All are made of high-strength engineering plastic, are lightweight (total weight: 75 g), and precisely dimensioned to ensure a tight fit without excessive play. The kit is suitable for the most commonly used models in France-including the classic 500, 700, 800, 900, 2000, 6100, and 7100 series-and allows for reliable, quiet, and long-lasting repairs without the need for uncertified generic parts. It fully meets the expectations of French consumers in terms of repairability, technical traceability and compliance with good circular economy practices.