Husqvarna 579273201 Lawn Mower Brake/Clutch Blade Belt ensures reliable blade engagement and safe stopping performance for compatible walk-behind mowers. This belt transfers power from the engine to the blade system while coordinating with the brake and clutch mechanism, allowing the blade to start, stop, and disengage smoothly as designed. Constructed from durable, wear-resistant mat... https://www.wholetoolbox.com/husqvarna-579273201-lawn-mower-brake-clutch-blade-belt