{"product_id":"dorman-521-492-suspension-control-arm","title":"Dorman 521-492 Suspension Control Arm - Rear Upper Forward","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm 521-492\u003c\/h2\u003e\u003cp\u003eThe Dorman Suspension Control Arm 521-492 is engineered for reliable suspension performance on select Mercedes-Benz models. Designed with durable steel construction and a coated finish, this control arm supports stable handling and ride quality for vehicles like the Mercedes-Benz 300E and E55 AMG.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength steel with casting and forging methods\u003c\/li\u003e\n\u003cli\u003eBlack coated finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes a rubber bushing with black color and precise dimensions (14.3 mm inside diameter, 39.6 mm outside diameter)\u003c\/li\u003e\n\u003cli\u003eOverall length of 262.5 mm for exact fitment\u003c\/li\u003e\n\u003cli\u003eWelded ball joint mounting type with threaded stud (ball joint not included)\u003c\/li\u003e\n\u003cli\u003ePress-in end type with bushing linkage end\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Mercedes-Benz models including 190E, 300D, 500SL, and SLK230\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm (part number 521-492) is designed to restore proper suspension geometry and improve vehicle stability. The steel construction combines casting and forging techniques to provide strength and durability under road stress. The black coated finish helps resist corrosion, extending the service life of the control arm. It comes equipped with a single rubber bushing that cushions suspension movement and reduces noise and vibration. The welded ball joint mounting type with a threaded stud allows for secure attachment, although the ball joint itself is not included. With an overall length of 262.5 mm, this control arm fits a range of Mercedes-Benz vehicles such as the 400E, C280, and SL500, ensuring precise replacement and alignment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz 190E, 300CE, 300D, 300E, 300TD, 300TE\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 400E, 500E, 500SL, 600SL\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz C36 AMG, C220, C230, C280\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz E55 AMG, E300, E320, E420, E430, E500\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL320, SL500, SL600, SLK230\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\u003eExcessive suspension noise or vibration\u003c\/li\u003e\n\u003cli\u003eMisalignment leading to uneven tire wear\u003c\/li\u003e\n\u003cli\u003eLoose or compromised ball joint mounting points\u003c\/li\u003e\n\u003cli\u003eCorrosion or structural fatigue in original control arm\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\u003eInspect ball joint and mounting hardware; replace if necessary as they are not included\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for mounting bolts to maintain suspension integrity\u003c\/li\u003e\n\u003cli\u003eAlignment check is recommended after installation to ensure proper handling\u003c\/li\u003e\n\u003cli\u003eGrease fitting is not included; no lubrication required for this control arm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-492 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997204086965,"sku":"BKKY-521-492","price":42.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521492_Fro_3a415f87-a195-4d0e-a52d-72a0a7da97a8.jpg?v=1775007865","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-492-suspension-control-arm","provider":"PartCatalog","version":"1.0","type":"link"}