The McCormick 6660434A1 is a genuine OEM fuel filter element designed for McCormick X4, X5, and X6 series agricultural tractors, as well as various Landini models. This essential component effectively removes contaminants from the fuel, protecting the engine's fuel injection system and ensuring optimal performance and longevity. It measures 100mm in length with an 80mm outer diameter and 19mm inner diameter, weighing approximately 0.12 kg, making it a direct replacement for the original part.