Husqvarna 531123417 Lock Locking Sleeve

When you're swapping cutting wheels on walk-behind saws or changing out worn diamond blades mid-job, this genuine Husqvarna locking sleeve keeps your arbor assembly secure and properly tensioned. The part number 531123417 lock sleeve serves as a critical component in the blade mounting system, preventing slippage during high-RPM cutting operations. Designed to work with Husqvarna concrete saws, this replacement part maintains the exact tolerances needed for safe operation and clean cuts. The locking mechanism ensures your blade stays centered and stable through heavy cutting in cured concrete, asphalt, and masonry materials. Built for contractors and rental yards maintaining Husqvarna equipment who need OEM replacement parts that fit correctly the first time.