The WKR50901 is an unbranded air filter element designed to provide efficient filtration and protect engine components from dust and debris. This filter is a direct cross-reference for numerous OEM part numbers, including John Deere RE50901, Case IH 1930510, Claas 0001930510, Deutz-Fahr 01174421, Fendt X830170000000, Ford/New Holland 83918076, Krone 200009360, Massey Ferguson 3595505M1, Valmet/Valtra 33744210, and Volvo 11703979. It measures 340 mm in height, with an outer diameter of 130 mm and an inner diameter of 90 mm, ensuring a precise fit and optimal performance in compatible agricultural and industrial machinery.