This genuine McCormick 6524005M91 spring is an essential component for various agricultural machinery, including McCormick, Massey Ferguson, Landini, Valmet, Valtra, Challenger, and Fendt tractors. Designed to meet OEM specifications, this spring ensures proper function and durability in demanding farm environments. It measures approximately 38.1 mm in length, 19.05 mm in width, and 19.05 mm in height, with an inner diameter of 9.525 mm and an outer diameter of 19.05 mm and a wire diameter of 2.4892 mm.