{"product_id":"dorman-520-556-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-556 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly for BMW X3\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-556 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for your BMW X3. Designed with quality materials and pre-installed components, this assembly offers a reliable replacement solution for light suspension applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased ball joint for immediate use\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware\u003c\/li\u003e\n\u003cli\u003eIron control arm with black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud (14 mm thread diameter)\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW X3 suspension systems requiring a light suspension grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 520-556) is constructed from durable iron using casting and forging methods to ensure strength and longevity. The assembly comes pre-greased, eliminating the need for initial lubrication, and includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is press-in mounted and features a threaded stud with a 14 mm diameter for secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter. Mounting hardware is included for straightforward installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly is specifically compatible with BMW X3 models requiring a light suspension grade component. It is designed to replace worn or damaged control arms and ball joints, restoring proper suspension geometry and vehicle handling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCorrects suspension misalignment and uneven tire wear\u003c\/li\u003e\n\u003cli\u003eEliminates clunking or knocking noises from front suspension\u003c\/li\u003e\n\u003cli\u003eRestores steering responsiveness and stability\u003c\/li\u003e\n\u003cli\u003eAddresses worn bushings causing vibration or looseness\u003c\/li\u003e\n\u003cli\u003eReplaces damaged ball joints affecting wheel movement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-556 control arm and ball joint assembly should be performed by a qualified technician using appropriate tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during assembly. Ensure all mounting hardware is torqued to manufacturer specifications. This part is not adjustable, so alignment should be checked and corrected after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-556 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty covering defects in material and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43988129284277,"sku":"BKKY-520-556","price":84.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520556_Fro.jpg?v=1775007669","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-556-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}