PART#: 550568 The alternative part number is: 93-415505-6 THIS LISTING INCLUDES : BRAND NEW HIGH QUALITY Upper Looper . Fit for Consew Sewing Machine Models: 14TU854 Fit for Pfaff Serger Models: 4762 Hobbylock, 4772 Coverlock, Hobbylock 2.0 Fit for Singer Serger Models: 14CG744, 14CG754, 14HD854, 14SH744, 14SH754, 14SH764, 14U544, 14U554, 14U555, 14U557, 850SCH Fit for Viking Serger Models: Huskylock S15