The JCB 333E0034 is a genuine OEM water temperature switch designed for a wide range of JCB construction and agricultural machinery. This essential component monitors engine coolant temperature, providing critical data for optimal engine performance and preventing overheating. It features an M12 x 1.5 thread and 2 pins, ensuring precise fitment and reliable operation across compatible JCB models including 3CX, 4CX backhoe loaders, 520-50, 535-125 telehandlers, JS series excavators, and 135, 190 skid steer loaders.