{"product_id":"dorman-521-587-suspension-control-arm-and-ball-joint-assembly-rear-left-upper-rearward","title":"Dorman 521-587 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper Rearward","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-587 suspension control arm and ball joint assembly is designed specifically for BMW X5 and X6 models. This pre-greased, aluminum control arm with integrated ball joint offers a reliable replacement solution for light suspension applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate use\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings for vibration dampening\u003c\/li\u003e\n\u003cli\u003eAluminum control arm with black finish\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud (14 mm thread diameter)\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for straightforward installation\u003c\/li\u003e\n\u003cli\u003eControl arm dimensions: maximum width 288.5 mm, maximum length 237 mm\u003c\/li\u003e\n\u003cli\u003eSingle mounting hole with 12.3 mm diameter\u003c\/li\u003e\n\u003cli\u003eLight suspension grade type suitable for regular driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-587) is engineered for BMW X5 and X6 vehicles requiring a light suspension grade replacement component. The control arm is constructed from durable aluminum using casting and forging methods, providing a balance of strength and weight savings. It features a black finish that resists corrosion and wear. The assembly comes pre-greased, eliminating the need for additional lubrication during installation.\u003c\/p\u003e\u003cp\u003eThe ball joint is press-in mounted and includes a threaded stud with a 14 mm thread diameter, ensuring secure attachment and compatibility with the vehicle’s suspension system. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The control arm is designed with a single mounting hole measuring 12.3 mm in diameter, matching OEM specifications for proper fitment.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or damaged suspension control arms on BMW X5 and X6\u003c\/li\u003e\n\u003cli\u003eElimination of suspension noise caused by deteriorated bushings\u003c\/li\u003e\n\u003cli\u003eRestoration of proper wheel alignment and handling performance\u003c\/li\u003e\n\u003cli\u003eCorrection of ball joint wear leading to steering instability\u003c\/li\u003e\n\u003cli\u003eAddressing suspension component fatigue from regular driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your specific BMW X5 or X6 model year. The assembly comes pre-greased, so additional lubrication is not required. Use appropriate tools to press in the ball joint securely and torque mounting hardware to manufacturer specifications. Inspect surrounding suspension components during installation to ensure overall system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-587 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51931944452277,"sku":"BKKY-521-587","price":102.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521587_Fro.jpg?v=1775007880","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-587-suspension-control-arm-and-ball-joint-assembly-rear-left-upper-rearward","provider":"PartCatalog","version":"1.0","type":"link"}