This Genuine SANY Window Regulator Set includes both left (60187048 / CB07-01100) and right (60187049 / CB07-01200) side components, specifically engineered for SANY STC250 and STC500 crane models. These precision window mechanisms ensure smooth and reliable operation of the crane cab windows, providing essential ventilation and visibility for operators. Manufactured to SANY's original equipment standards, they guarantee perfect fitment and durable performance in demanding construction environments. The robust construction withstands frequent use and maintains precise window alignment, contributing to operator comfort and cab integrity.