{"product_id":"dorman-520-393-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-393 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-393 suspension control arm and ball joint assembly is engineered for reliable performance in Buick DTS and Cadillac Lucerne models. Designed with quality materials and pre-installed components, this assembly ensures a precise fit and smooth suspension operation.\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\u003eAluminum control arm with black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick DTS and Cadillac Lucerne suspension systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly (part number 520-393) features a light suspension grade type suitable for regular driving conditions. The control arm is made from durable aluminum with a casting\/forged construction, measuring up to 288.5 mm in width and 237 mm in length. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint is installed and ready to use, featuring a 14 mm threaded stud. Rubber bushings are included to reduce vibration and noise, and all necessary mounting hardware comes with the package.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis assembly is specifically designed for use with Buick DTS and Cadillac Lucerne models, ensuring proper fitment and suspension performance. The Dorman 520-393 part number matches the OEM specifications for these vehicles, making it a suitable replacement for worn or damaged control arms and ball joints.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged control arm bushings causing steering instability\u003c\/li\u003e\n\u003cli\u003eLoose or failing ball joints leading to uneven tire wear\u003c\/li\u003e\n\u003cli\u003eSuspension noise due to degraded rubber bushings\u003c\/li\u003e\n\u003cli\u003eAlignment problems resulting from bent or cracked control arms\u003c\/li\u003e\n\u003cli\u003eReduced handling performance and ride comfort\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-393 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry and tire wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards. The 520-393 assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43987607453877,"sku":"BKKY-520-393","price":153.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520393_Fro.jpg?v=1775007618","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-393-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}