The Fendt genuine heater control knob, part number 312810130280, is an authentic AGCO replacement component designed for various Fendt Vario series tractors. This essential knob allows for precise adjustment of the cabin heating system, ensuring optimal comfort for the operator. Manufactured to OEM specifications, it guarantees perfect fitment and reliable performance across compatible models including the 200, 300, 500, 600, 700, 800, 900, 1000, and 1100 Vario series, as well as Vario MT models.