{"product_id":"dorman-521-284-suspension-control-arm-and-ball-joint-assembly-front-right-lower-rearward","title":"Dorman 521-284 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-284 suspension control arm and ball joint assembly is designed for select Mercedes-Benz models, including the C-Class, E-Class, SLK, and SLC series. This assembly combines a durable aluminum control arm with a pre-installed ball joint to ensure reliable suspension performance and vehicle handling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased ball joint for immediate use\u003c\/li\u003e\n\u003cli\u003eAluminum control arm with black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings for vibration dampening\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure mounting\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for straightforward installation\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Mercedes-Benz models such as C180, E350, SLK350, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-284) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from forged and cast aluminum, providing a balance of strength and weight savings. It measures up to 288.5 mm in width and 237 mm in length, finished in black to resist corrosion. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is press-in mounted with a threaded stud of 14 mm diameter, pre-greased for maintenance-free operation. One mounting hole with a diameter of 12.3 mm is included, and the package contains all necessary mounting hardware for installation.\u003c\/p\u003e\u003ch2\u003eCompatible Mercedes-Benz Models\u003c\/h2\u003e\u003cp\u003eThis control arm and ball joint assembly is compatible with a range of Mercedes-Benz vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eC-Class: C180, C200, C230, C250, C280, C300, C350\u003c\/li\u003e\n\u003cli\u003eE-Class: E250, E350, E400, E500, E550\u003c\/li\u003e\n\u003cli\u003eSLK Series: SLK200, SLK250, SLK300, SLK350, SLK55 AMG\u003c\/li\u003e\n\u003cli\u003eSLC Series: SLC180, SLC200, SLC300\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 poor handling\u003c\/li\u003e\n\u003cli\u003eBall joint wear leading to steering looseness or noise\u003c\/li\u003e\n\u003cli\u003eCorroded or weakened control arm compromising suspension integrity\u003c\/li\u003e\n\u003cli\u003eUneven tire wear due to suspension misalignment\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\u003cp\u003eBefore installation, verify vehicle compatibility with the Dorman 521-284 part number. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque mounting bolts to manufacturer specifications. Since the control arm is non-adjustable, alignment should be checked and corrected after installation to ensure optimal vehicle handling.\u003c\/p\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 521-284 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts to cover defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52123237613749,"sku":"BKKY-521-284","price":97.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521284_Fro.jpg?v=1775162882","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-284-suspension-control-arm-and-ball-joint-assembly-front-right-lower-rearward","provider":"PartCatalog","version":"1.0","type":"link"}