The Fendt AG639929 is a genuine OEM steering cylinder joint designed for optimal performance and durability in Fendt agricultural tractors. This essential component ensures proper sealing and function within the steering hydraulic system, maintaining precise control and operational safety. It is compatible with a wide range of Fendt Farmer, Favorit, and Vario series tractors, including models 307, 308, 309, 310, 311, 312, 409, 410, 411, 412, 509, 510, 511, 512, 514, 515, 711, 712, 714, 716, 815, 817, 818, 916, 918, 920, 924, and 926.