The McCormick 1967940C1 fuel tank cap is an authentic OEM replacement part designed for a wide range of McCormick agricultural tractors, including models from the CX, MC, MTX, X4, X5, X6, X7, and X8 series. This vital component secures the fuel tank, preventing spillage, contamination, and ensuring optimal system integrity. Measuring approximately 101.6 mm in length and width, and 76.2 mm in height, with an outer diameter of 100 mm, and a weight of 0.09 kg, this cap is also cross-referenced as Case IH and New Holland part number 87349600.