{"product_id":"dorman-521-488-suspension-control-arm-rear-upper-rearward","title":"Dorman 521-488 Suspension Control Arm - Rear Upper Rearward","description":"\u003ch2\u003eDorman 521-488 Rear Upper Rearward Control Arm\u003c\/h2\u003e\u003cp\u003eDorman 521-488 is a suspension control arm built for specific Mercedes-Benz applications that use a rear upper rearward position at the knuckle. It is precision-engineered and tested as a direct replacement for the original equipment part on select CL500, S430, S500, S350, CL55 AMG, CL600, S55 AMG, and S600 models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAluminum construction with a coated black finish\u003c\/li\u003e\n\u003cli\u003eCasting\/forged design for OE-style replacement fitment\u003c\/li\u003e\n\u003cli\u003eRubber bushing included with black bushing color\u003c\/li\u003e\n\u003cli\u003eWelded ball joint mounting type with threaded stud type\u003c\/li\u003e\n\u003cli\u003eNo ball joint installed and no grease fitting included\u003c\/li\u003e\n\u003cli\u003eDesigned for the rear upper rearward position at the knuckle\u003c\/li\u003e\n\u003cli\u003ePart number 521-488 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm is built to replace the original rear upper rearward arm on select Mercedes-Benz chassis. The aluminum body, rubber bushing, and coated finish are selected to match the demands of suspension service while maintaining the correct geometry for the application. If you are replacing a worn Mercedes-Benz CL500 control arm, S430 rear upper rearward control arm, or S500 suspension arm, 521-488 provides a direct-fit service part for the listed vehicles.\u003c\/p\u003e\u003cp\u003eThis part cross-references Delphi TC1751 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClunking or knocking from the rear suspension\u003c\/li\u003e\n\u003cli\u003eExcessive play at the knuckle connection\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn suspension bushings\u003c\/li\u003e\n\u003cli\u003eLoose or unstable rear suspension feel\u003c\/li\u003e\n\u003cli\u003eAlignment issues related to a worn control arm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall this control arm in the rear upper rearward position at the knuckle only on the listed Mercedes-Benz applications. Mounting hardware is not included, and the ball joint is not preinstalled. Verify bushing orientation, torque fasteners to factory specifications, and perform a wheel alignment after installation. Confirm vehicle fitment by year, make, model, and suspension position before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this control arm as a tested replacement part for specific OE applications. The component is built to meet the fit and function requirements of the listed Mercedes-Benz models, including 1999-2006 S430, 2000-2006 S500, and related CL-Class and AMG variants.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52752774037685,"sku":"BKKY-521-488","price":77.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521488_Fro.jpg?v=1782886971","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-488-suspension-control-arm-rear-upper-rearward","provider":"PartCatalog","version":"1.0","type":"link"}