The McCormick 3715923M91 Fuel Tank Cap is an essential component designed to provide a secure seal for fuel tanks on agricultural machinery. This robust cap prevents contamination and fuel loss, ensuring optimal operation. While identified as a McCormick part, it is widely cross-referenced and compatible with numerous tractor models from brands including Massey Ferguson, Landini, Case IH, New Holland, Fendt, Claas, Deutz-Fahr, Same, and John Deere. It features an overall diameter of 60mm, an inner diameter of 40mm, and a height of 50mm, ensuring a precise and reliable fit.