Husqvarna 581354501 Lawn Mower Blade Brake/Clutch Tension Arm Assembly helps maintain proper blade brake and clutch operation for consistent mower performance. This replacement assembly is designed to support the blade brake/clutch system by maintaining the correct tension needed for smooth engagement and disengagement of the mower blade. It works with compatible equipment to promote ... https://www.wholetoolbox.com/husqvarna-581354501-lawn-mower-blade-brake-clutch-tension-arm-assembly/581354501.html