Replacement Gear Set Lower Right - Singer Part #163996 & #174204

This replacement gear set is designed for Singer 600 series Touch-N-Sew machines and includes the lower right horizontal and vertical gear. The set is compatible with the models 620, 625, 628, 629, 630, 635, 636, 638, 639, 640, 645, 646, 648, and 649, and features part numbers 163996 (lower right horizontal) and 174204 (bottom vertical).