This aftermarket replacement coupling head, compatible with AL-KO part number 1731028NO, is designed for trailers with a gross vehicle weight up to 1600 kg. It serves as a reliable alternative to the original AL-KO AK161 coupling, ensuring secure and safe connection to your towing vehicle. Engineered for round drawbars with a 50mm diameter, this non-OEM coupling head provides essential functionality for various trailer types, including utility trailers, boat trailers, and small caravans. Key features of this compatible coupling head include a safety indicator that visually confirms correct coupling to the tow ball, enhancing towing security. A wear indicator is also integrated to help monitor the condition of both the coupling and the tow ball, prompting timely maintenance or replacement. The inclusion of a 'Softdock M' protective bumper helps to prevent damage to the coupling head and the towing vehicle during coupling and uncoupling maneuvers. This robust replacement part offers a cost-effective solution for maintaining the safety and functionality of your trailer's towing system, providing peace of mind on the road. Please note, this is an aftermarket product and not manufactured by AL-KO.