The John Deere SA34368 Disk is a genuine OEM replacement part designed for optimal performance in John Deere agricultural equipment. This disk is compatible with 1590, 1690, 1835, 1890, 1895, and 1990 CCS Air Seeders, as well as 750, 750A, 1560, and 1565 No-Till Drills. Weighing approximately 0.45 kg, it measures 228.6 mm in length and width, with a height of 12.7 mm, ensuring precise fit and durability for various tillage and seeding applications.