The AL-KO 20775504 overrun damper is a genuine AL-KO component designed for specific trailer overrun devices. This shock absorber is crucial for the proper functioning of trailer braking systems, providing smooth and controlled deceleration. It is compatible with AL-KO overrun devices 161S, 251S, and 251G, which are typically used for trailers with a permissible total weight ranging from 1600 kg to 2500 kg. Key features include an extended length of approximately 510 mm, a compressed length of approximately 340 mm, and an eyelet diameter of 12 mm, ensuring a precise fit and reliable performance for agricultural and industrial trailers.