{"product_id":"dorman-521-087-suspension-control-arm-and-ball-joint-assembly-front-left-lower","title":"Dorman 521-087 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eDorman 521-087 Front Left Lower Control Arm\u003c\/h2\u003e\u003cp\u003eDorman 521-087 is a direct replacement suspension control arm and ball joint assembly for specific vehicle applications. It is built for the 2004-2007 Subaru Impreza front left lower position, with a pre-greased design, installed ball joint, and included bushings to restore steering response and ride control.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for the original equipment control arm assembly\u003c\/li\u003e\n\u003cli\u003eFits 2004-2007 Subaru Impreza, front left lower\u003c\/li\u003e\n\u003cli\u003ePre-greased with the ball joint already installed\u003c\/li\u003e\n\u003cli\u003eAluminum control arm construction with rubber bushings\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint mounting with threaded stud design\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003eBlack finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly is engineered for the front left lower suspension position on the 2004-2007 Subaru Impreza. The aluminum arm, rubber bushings, and press-in ball joint configuration support stable suspension geometry and predictable handling. Dorman 521-087 is a practical OE-style replacement for drivers addressing wear in the lower control arm, bushings, or ball joint on the Subaru Impreza.\u003c\/p\u003e\u003cp\u003eThis part cross-references Mevotech Supreme CMS801142 for the same application. It also aligns with OE-style replacement needs for Subaru Impreza front left lower suspension service, including part number 521-087 for catalog and search matching.\u003c\/p\u003e\u003ch2\u003eCommon Repair Symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClunking or knocking from the front suspension\u003c\/li\u003e\n\u003cli\u003eLoose or wandering steering feel\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn suspension joints\u003c\/li\u003e\n\u003cli\u003eVibration or instability during braking and cornering\u003c\/li\u003e\n\u003cli\u003eExcess play from worn bushings or ball joint wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle is a 2004-2007 Subaru Impreza with the front left lower application before installation. Because the ball joint is installed and uses a press-in mounting type, proper suspension service tools and alignment procedures are recommended after replacement. Confirm mounting hole diameter, stud thread diameter, and arm orientation against the original part before final assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman uses an evaluation process for this assembly to help deliver consistent ride quality, directional stability, and predictable suspension behavior. The part number 521-087 is built as a direct replacement for specific Subaru Impreza applications and is intended to match OE-style fit and function.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52752771580085,"sku":"BKKY-521-087","price":247.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521087_Fro.jpg?v=1782886845","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-087-suspension-control-arm-and-ball-joint-assembly-front-left-lower","provider":"PartCatalog","version":"1.0","type":"link"}