{"product_id":"dorman-520-555-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-555 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly for BMW X3\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-555 suspension control arm and ball joint assembly is engineered to restore precise handling and suspension performance for your BMW X3. Designed with quality materials and pre-greased components, this assembly ensures reliable operation and long service life.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate installation and reduced maintenance\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for a complete replacement\u003c\/li\u003e\n\u003cli\u003eIron control arm with casting\/forged construction for strength and durability\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure fitment\u003c\/li\u003e\n\u003cli\u003eCompatible specifically with BMW X3 models requiring a light suspension grade type\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 520-555) features a black iron control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a press-in ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are pre-installed to absorb vibrations and provide smooth suspension articulation. The package contains all necessary mounting hardware, allowing for a straightforward replacement process. This assembly is designed for light suspension grade applications and is not adjustable.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis control arm and ball joint assembly is compatible with BMW X3 models, providing a direct replacement for worn or damaged suspension components. Using the Dorman 520-555 ensures proper fitment and restores suspension geometry for improved vehicle stability and handling.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates excessive play or looseness in the front suspension\u003c\/li\u003e\n\u003cli\u003eResolves uneven tire wear caused by worn control arm bushings\u003c\/li\u003e\n\u003cli\u003eCorrects steering instability and vibrations\u003c\/li\u003e\n\u003cli\u003eReplaces damaged or corroded ball joints to maintain safe suspension operation\u003c\/li\u003e\n\u003cli\u003eRestores proper suspension alignment and ride quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-555 control arm and ball joint assembly requires basic suspension tools and mechanical knowledge. Since the ball joint is press-in type and pre-installed, no additional ball joint assembly is necessary. Ensure all mounting hardware is torqued to manufacturer specifications. Although the assembly is pre-greased, periodic inspection of bushings and ball joints is recommended for long-term maintenance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 520-555 suspension control arm and ball joint assembly comes with a limited warranty covering defects in materials and workmanship. This warranty supports confidence in the product’s quality for BMW X3 suspension repairs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43988099662005,"sku":"BKKY-520-555","price":84.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520555_Fro.jpg?v=1775007669","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-555-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}