The Case-IH 87382435 is a genuine OEM coolant reservoir, also known as an expansion tank, designed for various Case IH agricultural and construction machinery. This critical component holds excess coolant, allowing for expansion and contraction within the cooling system, and helps maintain proper fluid levels to prevent engine overheating. Manufactured to OEM specifications, it ensures a precise fit and reliable performance, contributing to the longevity and efficiency of the engine's cooling system.