Package Reservoir Tank Assy 9010-180400-1000 For CF 500 520 600CC ATV CF X5 X6 Models Replacement reservoir tank assembly designed for compatibility with specified CF series ATVs.This part is engineered to integrate with the existing cooling system, providing necessary fluid storage and pressure regulation.Constructed to meet specifications, it proper fit and function for the designated models.The unit includes all required components for installation as part of the coolant system.Suitable for use in standard operating conditions and built to withstand typical environmental exposure encountered during regular vehicle.This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.