The Zetor 931034 is a genuine fuel injector nozzle, specifically identified as type 150S423-4128. This critical component ensures precise fuel delivery for optimal engine performance in various Zetor tractor models, including the 5011, 5211, 6011, 6211, 7011, 7211, and 7711 series. Designed for durability and reliable operation, it is an essential replacement part for maintaining fuel system efficiency.