This hydraulic pump spline repair kit (Part No. 20/902703 / 20/902901) is engineered for use with backhoes like 3CX and a wide range of earthmoving machines. It includes all necessary spline components required to restore or repair the hydraulic pump's drive interface, ensuring smooth and efficient torque transfer. Compatible with models requiring either part number 20/902703 or 20/902901, the kit provides a precise, durable solution to worn or damaged spline assemblies. Supplied as a comprehensive repair kit — ready for installation — it is ideal for maintenance or restoration of hydraulic pump systems in heavy-duty construction and loader equipment.