For Nissan Patrol GU Y61 owners with the ZD30 or TD42TI engine – if your coolant overflow bottle is cracked, discolored, or leaking, this is the genuine Nissan replacement part you need. The part number is FYE239072. It's brand new and comes with a 6-month manufacturer's warranty for peace of mind. This is the plastic tank that sits at the top of the radiator system, allowing coolant to expand and contract. A faulty tank can lead to coolant loss and overheating. Designed for Patrol models from around 2000 up to 2016. Always use the proper OEM cooling system parts to ensure a perfect fit and reliable operation, especially in a tough vehicle like the Patrol. A simple but critical component to keep your 4x4 running cool on and off the road.