The DEUTZ-FAHR 1181890 is a genuine OEM 12V voltage regulator designed to maintain a consistent electrical output in various DEUTZ-FAHR agricultural machines. This critical component ensures optimal performance and longevity of the electrical system by preventing overcharging or undercharging, protecting sensitive electronic components. With a length of 95 mm, width of 51 mm, and height of 40 mm, and weighing 0.12 kg, it is engineered for precise fitment and durability, making it an essential replacement part for maintaining the reliability of your DEUTZ-FAHR tractor.