The McCormick 3665968M1 Cartridge is a genuine OEM replacement part designed for various McCormick X-Series tractors, including X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680 models. This essential component ensures optimal performance and compatibility with your agricultural machinery. It measures 95mm in length and 51mm in both width and height, with a weight of 0.12 kg.