The John Deere U44956 is a genuine OEM air filter element designed for optimal engine protection in various John Deere machinery. This cylindrical filter measures 51mm in height with a 51mm outer diameter and a 25mm inner diameter. It provides efficient filtration for a wide range of John Deere equipment, including 1023E, 1025R, 1026R, 2025R, 2026R compact utility tractors, ZTrak and commercial walk-behind mowers (Z915B, Z915E, Z920M, Z920R, Z925M, Z930M, Z930R, Z950M, Z950R, Z960M, Z960R, Z970R, W36R, W48R, W52R, W61R, 652R, 652R EFI, 661R, 661R EFI), and XUV Gators (XUV835M, XUV835R, XUV865M, XUV865R). This part is a direct replacement for John Deere part number AZ45870.