This genuine McCormick 6529883A1 gear lever knob is an OEM quality replacement part designed for a wide range of McCormick agricultural tractors. It ensures precise gear shifting and comfortable operation. Compatible with McCormick C, CX, MC, MTX, T, X, X4, X5, X6, X7, and XTX series tractors, including specific models like C100, CX105, MC115, MTX140, X420, X550, X6430, X7660, and XTX215. With a length of 95mm, width of 51mm, and height of 51mm, and weighing 0.12 kg, this knob is built to original specifications for durability and a perfect fit. It replaces previous part numbers 3540866M1, 3540866M2, and 3540866M3 from McCormick, Landini, and Case IH.