Husqvarna K1250 Belt 506 37 27-01, 506 07 05-07 Get link Facebook X Pinterest Email Other Apps Husqvarna Parts | Husqvarna Parts Lookup Part description: Husqvarna 506 37 27-01 belts Cogged type drive belt 39 1/2" L. x 3/8" W.Other part numbers: 506 07 05-07 506 37 27-01Replacement belt for Husqvarna models: K1250 cut-off saw