{"product_id":"dorman-521-021-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-021 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-021 suspension control arm and ball joint assembly is designed specifically for Cadillac CTS, SRX, and STS models. This pre-greased, aluminum control arm assembly offers a reliable replacement option for light suspension grade applications, ensuring proper vehicle handling and suspension performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate installation\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware\u003c\/li\u003e\n\u003cli\u003eAluminum control arm with black finish\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud included and installed\u003c\/li\u003e\n\u003cli\u003eCompatible with Cadillac CTS, SRX, and STS models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-021) features a durable aluminum control arm constructed through casting and forging processes, providing strength while maintaining a lightweight design. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud type, designed for secure attachment and reliable steering response. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter for proper fitment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly is compatible with the following Cadillac models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCadillac CTS\u003c\/li\u003e\n\u003cli\u003eCadillac SRX\u003c\/li\u003e\n\u003cli\u003eCadillac STS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for light suspension grade use and is not adjustable, making it suitable for standard replacement needs on these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Assembly\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 play or noise\u003c\/li\u003e\n\u003cli\u003eCorroded or bent control arms affecting suspension alignment\u003c\/li\u003e\n\u003cli\u003eVibration or clunking noises from suspension components\u003c\/li\u003e\n\u003cli\u003eFailed suspension components impacting vehicle stability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePre-greased ball joint and bushings reduce installation time\u003c\/li\u003e\n\u003cli\u003eVerify mounting hole alignment and torque specifications for Cadillac CTS, SRX, or STS\u003c\/li\u003e\n\u003cli\u003eUse included mounting hardware for proper fit and secure installation\u003c\/li\u003e\n\u003cli\u003eInspect related suspension components during replacement for wear or damage\u003c\/li\u003e\n\u003cli\u003eProfessional alignment is recommended after installation\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, form, and function. The 521-021 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43988626636981,"sku":"BKKY-521-021","price":256.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521021_Fro.jpg?v=1775007780","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-021-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}