Lower Swing Arm Ball Head for A3 E3 Tiggo Arrizo 3 5 7 Bonus3 M11/M12 Ball Pin Triangular Arm Ball Pin Joints M11-2909060 This ball joint is designed to fit the lower swing arm of compatible vehicle models including A3, E3, Tiggo, Arrizo 3, 5, 7, and Bonus3.It serves as a replacement for the triangular arm ball pin and is engineered to stable connection and smooth articulation within the suspension system.The component is built to meet specifications for durability and performance.It is intended for use in the rear or front suspension assembly, providing under normal driving conditions.Installation requires standard mechanical tools and knowledge of suspension systems.