The Zetor 78400108 bushing is a genuine OEM replacement part designed for a wide range of Zetor tractors. This precision-engineered bushing features an inner diameter of 45mm, an outer diameter of 50mm, and a length of 40mm, ensuring a perfect fit and reliable performance. It is compatible with Zetor models including 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 5211, 5245, 5320, 5321, 5340, 5341, 6211, 6245, 6320, 6321, 6340, 6341, 7211, 7245, 7320, 7321, 7340, 7341, 7711, and 7745.