{"product_id":"dorman-521-390-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-390 Suspension Control Arm and Ball Joint Assembly - Front Right Lower","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-390 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet, GMC, and Oldsmobile vehicles. Designed specifically for models like the Bravada, Envoy, Envoy XL, Trailblazer, and Trailblazer EXT, this assembly ensures proper suspension function and vehicle stability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate installation and smooth operation\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for a complete replacement\u003c\/li\u003e\n\u003cli\u003eSteel boxed control arm construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with light suspension grade applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-390) features a boxed steel control arm finished in black for corrosion resistance. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce vibration and noise, while the ball joint is installed and ready to use. The ball joint mounting type is press-in with a threaded stud, featuring a 14 mm thread diameter. 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. Mounting hardware is included to facilitate a straightforward installation process.\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 vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Bravada\u003c\/li\u003e\n\u003cli\u003eGMC Envoy and Envoy XL\u003c\/li\u003e\n\u003cli\u003eChevrolet Trailblazer and Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003eOldsmobile models within the same platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed for light suspension grade use, making it suitable for regular driving conditions and maintaining proper suspension geometry.\u003c\/p\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\u003eBall joint wear leading to uneven tire wear or clunking noises\u003c\/li\u003e\n\u003cli\u003eLoose or broken mounting hardware affecting suspension alignment\u003c\/li\u003e\n\u003cli\u003eVibration and noise from deteriorated suspension components\u003c\/li\u003e\n\u003cli\u003eReduced vehicle handling and control due to suspension component failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify vehicle compatibility with the Dorman 521-390 part number. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use appropriate tools to press out the old ball joint if necessary, and ensure all mounting bolts are torqued to manufacturer specifications. Since this control arm is not adjustable, alignment should be checked and corrected after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards. The 521-390 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997163651253,"sku":"BKKY-521-390","price":218.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521390_Fro_76a594b0-eefb-4cf4-81f7-99d0283300cf.jpg?v=1775007850","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-390-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}