{"product_id":"dorman-520-912-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-912 Suspension Control Arm and Ball Joint Assembly - Front Right Upper","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-912 suspension control arm and ball joint assembly is designed for select Mercedes-Benz models, including the 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S420, S500, and S600. This assembly combines a durable aluminum control arm with a pre-installed ball joint to provide reliable suspension performance.\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 casting\/forged construction\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with pinch stud type\u003c\/li\u003e\n\u003cli\u003eCompatible with light suspension grade applications\u003c\/li\u003e\n\u003cli\u003eControl arm dimensions: max length 237 mm, max width 288.5 mm\u003c\/li\u003e\n\u003cli\u003eBlack finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSingle mounting hole with 12.3 mm diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-912 suspension control arm and ball joint assembly is engineered to meet the specifications of various Mercedes-Benz luxury sedans and coupes. Constructed from aluminum with a casting and forging process, the control arm offers a balance of strength and weight savings. The assembly comes pre-greased, eliminating the need for immediate maintenance after installation. Rubber bushings are included to help absorb road vibrations and reduce noise, contributing to a smoother ride quality.\u003c\/p\u003e\u003cp\u003eThe ball joint is press-in mounted and features a pinch stud type with a 14 mm thread diameter, ensuring secure attachment and proper articulation within the suspension system. This assembly is designed for light suspension grade use, making it suitable for regular driving conditions on compatible Mercedes-Benz models. The black finish provides additional protection against corrosion and wear.\u003c\/p\u003e\u003ch2\u003eCompatible Mercedes-Benz Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz 300SD, 300SE\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 400SE, 400SEL\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 500SEC, 500SEL\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 600SEC, 600SEL\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz CL500, CL600\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz S320, S350, S420, S500, S600\u003c\/li\u003e\n\u003c\/ul\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\u003eBall joint wear leading to uneven tire wear or clunking noises\u003c\/li\u003e\n\u003cli\u003eCorroded or weakened control arm compromising suspension integrity\u003c\/li\u003e\n\u003cli\u003eLoose or failing ball joint affecting vehicle handling\u003c\/li\u003e\n\u003cli\u003eVibration and noise from deteriorated suspension components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle is securely lifted and supported before removal\u003c\/li\u003e\n\u003cli\u003eRemove old control arm and ball joint assembly carefully to avoid damage\u003c\/li\u003e\n\u003cli\u003eVerify mounting hole alignment and torque specifications per manufacturer guidelines\u003c\/li\u003e\n\u003cli\u003eSince the ball joint is pre-greased and installed, no additional lubrication is required\u003c\/li\u003e\n\u003cli\u003eCheck suspension geometry after installation to maintain proper alignment\u003c\/li\u003e\n\u003c\/ul\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 520-912 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, providing confidence in its reliability for Mercedes-Benz suspension repairs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43988607697077,"sku":"BKKY-520-912","price":107.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520912_Fro.jpg?v=1775007746","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-912-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}