{"product_id":"dorman-532-978-suspension-control-arm-bushing-front-upper","title":"Dorman 532-978 Suspension Control Arm Bushing - Front Upper","description":"\u003ch2\u003eDorman 532-978 Suspension Control Arm Bushing\u003c\/h2\u003e\u003cp\u003eDorman 532-978 is a rubber suspension control arm bushing built for specific Mercedes-Benz front upper applications. It is precision-engineered and tested to replace the original equipment bushing on select E-Class models, helping restore proper suspension support and control.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRubber construction for OE-style suspension isolation\u003c\/li\u003e\n\u003cli\u003eBlack finish\u003c\/li\u003e\n\u003cli\u003eFront upper mounting position\u003c\/li\u003e\n\u003cli\u003eInside diameter: 17 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 75.3 mm\u003c\/li\u003e\n\u003cli\u003eLength: 80.1 mm\u003c\/li\u003e\n\u003cli\u003eWidth: 60 mm\u003c\/li\u003e\n\u003cli\u003eBushing dimensions: 12.2 mm inner diameter, 39.3 mm outer diameter, 60 mm width on one side and 66 mm width on the other\u003c\/li\u003e\n\u003cli\u003eBracket not included\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis suspension control arm bushing is made for Mercedes-Benz E250, E400, E350, and E550 front upper suspension locations across the listed model years. The rubber design helps maintain the control arm’s connection point while supporting suspension movement and reducing unwanted looseness at the joint. Dorman 532-978 is a direct replacement-style part for drivers servicing worn front upper bushings on these Mercedes-Benz applications. This part cross-references Delphi TD927W for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play in the front upper control arm\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from worn suspension bushings\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by suspension looseness\u003c\/li\u003e\n\u003cli\u003eImprecise steering feel from deteriorated bushing material\u003c\/li\u003e\n\u003cli\u003eVibration or harshness transmitted through the front suspension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s year, model, and front upper suspension configuration before ordering. Compare the original bushing dimensions to the listed measurements, including the 17 mm inside diameter and the 75.3 mm outside diameter, to confirm proper fitment. Because mounting hardware is not included, reuse or source any required fasteners separately as needed for the repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman engineers and tests this control arm bushing as an OE-style replacement for specific Mercedes-Benz applications. It is intended to meet the dimensional and functional requirements of the original part for the listed fitments.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2014-2018 Mercedes-Benz E250, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 2013-2018 Mercedes-Benz E400, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 2011-2016 Mercedes-Benz E350, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 2010-2011 Mercedes-Benz E550, Front Upper\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52756092747957,"sku":"BKKY-532-978","price":41.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_532978_Fro.jpg?v=1782974393","url":"https:\/\/www.partcatalog.com\/products\/dorman-532-978-suspension-control-arm-bushing-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}