Replaces Part Number(s): 174365, 193003, 532193003. Fits Husqvarna -Thread Size: 7/16″. Fits Universal Products We believe in communication. Replaces Part Number(s): 532 19 30-03. Replaces Part Number(s): 21546301, 532 17 43-65, 532 19 30-03, 532174365, 539 10 75-22, 539107522.