{"product_id":"dorman-521-389-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-389 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-389 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 use without additional lubrication\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for a complete installation\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 suspension control arm and ball joint assembly from Dorman features a boxed steel control arm finished in black for corrosion resistance. The assembly includes pre-installed ball joints with a 14mm threaded stud and press-in mounting type, ensuring a secure fit. Rubber bushings are included to reduce vibration and noise, and the package comes with all necessary mounting hardware. The control arm measures up to 288.5mm in width and 237mm in length, with a single 12.3mm mounting hole for precise installation. This assembly is designed for light suspension grade use and is not adjustable.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Dorman 521-389 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 intended for use in suspension systems requiring a reliable replacement part that maintains factory specifications.\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\u003eCorroded or bent control arms affecting wheel alignment\u003c\/li\u003e\n\u003cli\u003eLoose or missing mounting hardware compromising suspension integrity\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\u003eInstallation of the Dorman 521-389 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle frame and torque all hardware to manufacturer specifications. This assembly is not adjustable, so proper alignment should be verified after installation. Professional installation is recommended for optimal safety and performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-389 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997163192501,"sku":"BKKY-521-389","price":222.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521389_Fro.jpg?v=1775007850","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-389-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}