This Zetor 78227029 wheel cylinder is an original equipment manufacturer (OEM) part designed for a wide range of Zetor tractors. It ensures proper hydraulic function for the braking system, providing safe and effective stopping power. Compatible with models including Zetor 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 5320, 5321, 5340, 5341, 6320, 6321, 6340, 6341, 7320, 7321, 7340, 7341, 5011, 5211, 5245, 6011, 6045, 6211, 6245, 7011, 7045, 7211, 7245, 7711, and 7745.