The Case-IH 1284387C1 is a genuine OEM fuel tank cap designed for a wide range of Case-IH and Case Construction agricultural and industrial machinery. This cap ensures a secure seal for the fuel tank, preventing contaminants and fuel spillage. It is a direct replacement for superseded part numbers 1284387C2, 1284387C3, 1284387C4, 119934A1, and 1284387C5, maintaining original equipment specifications for optimal performance and fit.