{"product_id":"dorman-520-313-suspension-control-arm-rear-left-upper-rear-right-upper-or-rear-upper","title":"Dorman 520-313 Suspension Control Arm - Rear Left Upper, Rear Right Upper or Rear Upper","description":"\u003ch2\u003eRear Upper Control Arm for Mercedes-Benz and INFINITI\u003c\/h2\u003e\u003cp\u003eDorman 520-313 is a suspension control arm engineered as a direct replacement for the original equipment on select Mercedes-Benz and INFINITI models. It is built with a stamped steel construction, coated black for added corrosion resistance, and supplied with a rubber bushing already installed for a service-ready fit.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStamped steel construction for OE-style strength and fit\u003c\/li\u003e\n\u003cli\u003eBlack coated finish helps resist everyday road exposure\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, allowing replacement of the arm assembly as specified\u003c\/li\u003e\n\u003cli\u003eOverall length: 262.5 mm\u003c\/li\u003e\n\u003cli\u003eDirect replacement for rear upper suspension service on select vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm, part number 520-313, is precision-engineered and tested for reliable OE replacement performance. It uses steel stamped construction with a coated finish and a welded ball joint mounting design, while the rubber bushing helps restore proper rear suspension geometry on vehicles such as the Mercedes-Benz GLA250, CLA250, B250, A200, and INFINITI QX30. This part cross-references Delphi TC3423 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With rear upper suspension service on select Mercedes-Benz and INFINITI platforms, this control arm is a practical replacement when the original arm shows wear at the bushing or mounting points. The design supports factory-style installation on applications that use a press-in end and threaded ball joint stud interface.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear suspension clunking from worn control arm bushings\u003c\/li\u003e\n\u003cli\u003eUneven rear tire wear caused by loosened suspension geometry\u003c\/li\u003e\n\u003cli\u003eExcessive rear-end movement over bumps and rough pavement\u003c\/li\u003e\n\u003cli\u003eHandling instability from fatigued upper control arm components\u003c\/li\u003e\n\u003cli\u003eInspection failures related to worn rear suspension linkage parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2014-2020 Mercedes-Benz GLA250, rear left upper and rear right upper; 2017-2019 INFINITI QX30, rear left upper and rear right upper; 2013-2019 Mercedes-Benz B250, rear left upper and rear right upper; 2013-2019 Mercedes-Benz CLA200, rear left upper and rear right upper; 2013-2019 Mercedes-Benz CLA250, rear left upper and rear right upper; 2014-2019 Mercedes-Benz GLA200, rear left upper and rear right upper; 2013-2018 Mercedes-Benz A200, rear upper; 2016-2018 Mercedes-Benz GLA180, rear left upper and rear right upper; 2016-2017 Mercedes-Benz B250e, rear left upper and rear right upper; 2015-2017 Mercedes-Benz CLA180, rear left upper and rear right upper; 2013-2016 Mercedes-Benz A180, rear upper; 2014-2015 Mercedes-Benz B Electric Drive, rear left upper and rear right upper; 2012-2015 Mercedes-Benz B180, rear left upper and rear right upper; 2013-2014 Mercedes-Benz A250, rear upper; and 2020 Mercedes-Benz GLA200, rear upper.\u003c\/p\u003e\u003cp\u003eBefore installation, verify the vehicle’s rear suspension position and compare the original arm length and bushing layout to part number 520-313. Because mounting hardware is not included, reuse or source the correct hardware as required by the vehicle application. A professional alignment is recommended after suspension work.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this control arm as a direct-fit replacement for specific OE applications and subjects it to testing for dependable service. The part is built to match the original style used on the listed Mercedes-Benz and INFINITI rear suspension applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52752760570037,"sku":"BKKY-520-313","price":63.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520313_Fro.jpg?v=1782886487","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-313-suspension-control-arm-rear-left-upper-rear-right-upper-or-rear-upper","provider":"PartCatalog","version":"1.0","type":"link"}