The Bosch 0342316003 is a genuine 12V ignition lock designed for a wide range of agricultural machinery and tractors. This robust key switch features four distinct operating positions (0-1-2-3) and is supplied with two keys for secure and reliable operation. It serves as a critical component for starting and managing the electrical systems of various tractor models from brands such as Massey Ferguson, Fendt, Deutz-Fahr, Renault, Someca, and Claas, ensuring efficient and safe machine control.