This aftermarket replacement radiator cap, part number 87308289, is designed to provide a reliable and cost-effective solution for maintaining the cooling system integrity of various New Holland tractors. As a non-original equipment manufacturer (non-OEM) alternative, it offers comparable performance to the original part, ensuring proper pressure regulation within your tractor's cooling system. A functional radiator cap is crucial for preventing coolant loss and maintaining the correct operating temperature of your engine. This compatible cap helps to seal the radiator, allowing the cooling system to build and hold the necessary pressure, which raises the boiling point of the coolant and improves cooling efficiency. It also features a pressure relief valve to release excess pressure, protecting your system from damage. This replacement radiator cap 87308289 is suitable for a range of New Holland agricultural machinery, including models such as the M100, M115, M135, M160, and tractors from the 8160, 8260, 8360, 8560 series, as well as certain TM and TS series. Always verify compatibility with your specific tractor model and existing part number before purchase to ensure a perfect fit and optimal performance. This high-quality aftermarket component is an excellent choice for routine maintenance or repair, offering durability and dependable operation.