{"product_id":"dorman-521-666-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-666 Suspension Control Arm and Ball Joint Assembly - Front Right Lower","description":"\u003ch2\u003eReliable Suspension Control Arm and Ball Joint Assembly for Kia Sephia\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-666 suspension control arm and ball joint assembly is designed specifically for Kia Sephia models. This pre-greased, steel control arm offers a durable and maintenance-friendly solution for light suspension needs, ensuring stable handling and improved vehicle control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate installation and reduced maintenance\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for a complete assembly\u003c\/li\u003e\n\u003cli\u003eBoxed steel control arm construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eBolt-in ball joint with pinch stud type for secure fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Kia Sephia suspension systems requiring a light suspension grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Design and Construction Details\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-666) features a boxed steel control arm finished in black for corrosion resistance. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is pre-installed and uses a pinch stud mounting type with a 14 mm thread diameter, secured by a single 12.3 mm mounting hole. The control arm measures up to 288.5 mm in width and 237 mm in length, designed to meet the specifications of Kia Sephia vehicles requiring a light suspension grade component.\u003c\/p\u003e\u003ch2\u003eCompatible Applications and Common Uses\u003c\/h2\u003e\u003cp\u003eThis control arm and ball joint assembly is compatible with Kia Sephia models, providing a direct replacement for worn or damaged suspension components. It is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive suspension noise or clunking\u003c\/li\u003e\n\u003cli\u003eUneven tire wear due to misalignment\u003c\/li\u003e\n\u003cli\u003eLoose or unstable steering feel\u003c\/li\u003e\n\u003cli\u003eVibration or harshness during driving\u003c\/li\u003e\n\u003cli\u003eWorn or damaged control arm bushings or ball joints\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 521-666 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for bolt-in installation. Ensure all mounting hardware is tightened to manufacturer torque specifications. Alignment is recommended after installation to maintain proper suspension geometry and tire wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-666 suspension control arm and ball joint assembly undergoes quality checks to ensure durability and performance. This part comes with a limited warranty covering defects in material and workmanship, providing confidence in its reliability for Kia Sephia suspension repairs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997298786485,"sku":"BKKY-521-666","price":94.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521666_Fro.jpg?v=1775007896","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-666-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}