The Zetor 89005508 is a genuine OEM inlet valve guide designed for various Zetor tractor models, including the UR1, UR2, UR3, Forterra, Proxima, and Major series. This critical engine component ensures proper valve stem alignment and sealing, contributing to optimal engine performance and longevity. With a length of 60mm, an outer diameter of 14mm, and an inner diameter of 8mm, it is manufactured to Zetor's precise specifications for reliable fit and function.