The Zetor 88170999 Differential Housing is a genuine OEM component designed for Zetor UR1 (Zetor I) and UR3 (Zetor III) series agricultural tractors. This critical part encloses and protects the differential assembly, facilitating power transmission to the wheels and ensuring optimal drivetrain functionality. Manufactured to Zetor's original specifications, it guarantees precise fitment and long-lasting durability for various Zetor models.