The Claas YK265A55 is a genuine OEM thermostat designed for optimal engine temperature regulation in a wide range of Claas agricultural machinery. Featuring an 83°C opening temperature, this thermostat ensures efficient cooling system performance and engine longevity. It has an outer diameter of 55 mm, an inner diameter of 26.5 mm, and a height of 55 mm, with a weight of 0.12 kg. This essential component maintains proper operating temperatures in Claas CELTIS, CERES, ERGOS, PALLAS, TEMIS series tractors, JAGUAR forage harvesters, and LEXION, MEDION, MEGA, TUCANO combines. It is also cross-referenced as Claas 6258840 and Renault 7700078049.