DOP04-163 Husqvarna Shoulder Bolts No. 532193406. Measures 3/8 - 16X3 - 5/8 This is a quality aftermarket part replaces Husqvarna part number 596 43 44-04, 596-43-44-04, 539107608, 539-10-76-08, 532 10 76-08, 532193406, 532-19-34-06 and 532 19 34-06.