This genuine McCormick 3428521M2 O-Ring is designed for a secure seal in various agricultural machinery applications. Featuring an inner diameter of 110mm and a section thickness of 3mm, it ensures reliable performance. This versatile O-Ring is compatible with a wide range of McCormick CX, MC, MTX, XTX, ZTX series tractors, as well as numerous Massey Ferguson, Case IH MXM, and New Holland TM series models, making it a critical component for maintenance and repair.