This genuine Fendt AG639928 spring is an authentic OEM replacement component specifically designed for various Fendt Vario series tractors. It provides reliable performance and precise fitment across models in the 700, 800, and 900 Vario ranges, including the 714, 716, 718, 720, 722, 724, 819, 822, 824, 826, 828, 922, 924, 927, 930, 933, 936, and 939 VARIO models. Using original Fendt parts like the AG639928 helps maintain the integrity and operational efficiency of your agricultural machinery.