The Simplicity 1701765 Left Brake Lever is a genuine OEM replacement part designed for various Simplicity lawn tractors and zero-turn mowers. This essential component ensures proper braking function and operator safety. It is compatible with models including Broadmoor, Conquest, Prestige, Regent, and the ZT series (ZT1850, ZT2050, ZT2250, ZT2350, ZT2550, ZT2750, ZT3000, ZT3500, ZT4000). This part supersedes the previous part number 1701765SM, ensuring a direct fit and reliable performance.