OE/OEM Part Number: 526-243, 22912810, 22981336, 23462000, 84695568, 84918037, 526-244, 22912811, 22981337, 23462001, 84695569, 84918038,22912811, 84918038,22912810, 84918037 Compatible Cars: Compatible with 2013-2015 Cadillac ATS RWD; Compatible with 2016-2019 Cadillac ATS RWD; Except V Models Compatible with 2020-2024 Cadillac CT4 RWD; Quality Specifications: HAWK BROTHER uses strict manufacturing standards and is electroplated to enhance corrosion protection and extend control arm life. We add lubricant to the product for smooth installation. All control arms are rigorously tested to provide a reliable replacement: stable performance and high reliability Regular Replacement: Regular replacement of your car suspension kit will improve your driving comfort. Control arms with silicone bushings can effectively reduce road noise and improve safe driving. Not only will your car be safer on the road, but it will also make your driving experience more pleasant and smooth Note: Please check your model in the Amazon accessories filtering system before placing an order. Pay attention to the year, brand, and model. At the same time, please check the compatibility label, including the remarks. If you are not sure whether it is applicable, please feel free to send us your vehicle identification number (VIN) The Front Suspension Complete Set Includes: 1x Front Lower Forward Control Arm w/ Ball Joint Assembly - Driver Side - 526-243 1x Front Lower Forward Control Arm w/ Ball Joint Assembly - Passenger Side - 526-244