The Donaldson P105611 is a genuine PowerCore primary air filter designed for heavy-duty engine air intake systems. Featuring advanced PowerCore technology and cellulose media, this filter provides 99.9% filtration efficiency. With an outer diameter of 203.2 mm, an inner diameter of 101.6 mm, and a length of 203.2 mm, it ensures optimal engine protection and performance. It is a direct replacement for various OEM part numbers, including those from AGCO, Caterpillar, CNH, John Deere, Kubota, Massey Ferguson, New Holland, and Volvo.