The McCormick 6666919A1 is a genuine OEM cylinder head gasket designed to provide a critical seal between the cylinder head and engine block. Essential for maintaining engine compression and preventing fluid leaks, this high-quality gasket ensures optimal performance and longevity for McCormick X4, X5, X6, X7, and X8 series agricultural tractors. With precise dimensions of 95mm length, 51mm width, and 1mm height, and weighing 0.12 kg, it guarantees a perfect fit and reliable sealing.