The Kverneland AC581231 Right Spring Coupling is a genuine OEM replacement part designed for optimal performance and durability in Kverneland agricultural machinery. This essential component ensures proper coupling function and is compatible with a wide range of Kverneland models including the 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, and 899 series.