The K501535109 visual thermometer level is a crucial component for monitoring hydraulic oil levels and temperature in agricultural and construction machinery. This oil level gauge with integrated thermometer ensures accurate readings, helping to prevent damage from improper fluid levels or overheating. Featuring a robust design with M20x1.5 thread, it provides reliable performance across a wide range of operating conditions from -10°C to +100°C. It is a common OEM component found in various models from brands like Fendt, Massey Ferguson, Valtra, John Deere, Claas, Deutz-Fahr, Kubota, and New Holland.