Control Arm Front Lower Left. One New Stamped Control Arm and Ball Joint Assembly. Bolt On Ball Joint Attachment. Grease Fittings Not Included; Non-Adjustable. Pre-Greased. Rigorously tested for sustained, secure performance by a team of product and quality engineers, Dorman's Control Arm & Ball Joint Assembly is designed for passenger safety. Our industry-leading evaluation process ensures a smooth ride, directional stability, and agile handling.