The Welger 1115330301 Swing Arm Complete is a genuine OEM replacement part designed for optimal performance in Welger AP and D series balers. This critical component ensures the smooth and efficient operation of the baling mechanism. It is compatible with a wide range of Welger models, including AP 41, AP 45, AP 50, AP 51, AP 52, AP 53, AP 61, AP 63, AP 71, AP 73, AP 83, D 4000, D 5000, D 6000, D 6000 MASTER, D 6000 SUPER, D 8000, D 8000 MASTER, and D 8000 SUPER. Trust this authentic Welger part for durability and a perfect fit.