The Husqvarna 579273201 Lawn Mower Brake/Clutch Blade Belt is a drive component used in the blade engagement system of compatible lawn mower equipment. It transfers rotational motion between connected pulleys to support the operation of the blade clutch mechanism. The belt works as part of the mower's brake and clutch assembly, helping control blade engagement and disengagement. Repla... https://www.wholetoolbox.com/husqvarna-579273201-lawn-mower-brake-clutch-blade-belt/579273201.html