{"product_id":"dorman-521-989-suspension-control-arm-and-ball-joint-assembly-front-left-upper","title":"Dorman 521-989 Suspension Control Arm and Ball Joint Assembly - Front Left Upper","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-989 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance. Designed with a robust iron control arm and pre-installed ball joint, this assembly suits light suspension grade applications for reliable vehicle handling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate use and reduced maintenance\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 fitment\u003c\/li\u003e\n\u003cli\u003eConstructed from durable iron with a black finish\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for straightforward installation\u003c\/li\u003e\n\u003cli\u003eControl arm dimensions: maximum length 237 mm, maximum width 288.5 mm\u003c\/li\u003e\n\u003cli\u003eSingle mounting hole with 12.3 mm diameter\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 521-989) features a casting\/forged iron control arm designed for light suspension grade use. The assembly comes pre-greased, eliminating the need for immediate lubrication after installation. Rubber bushings are included to absorb road vibrations and improve ride quality. The ball joint is press-in mounted with a threaded stud measuring 14 mm in diameter, ensuring a secure and reliable connection. The control arm is finished in black to resist corrosion and wear. This assembly includes mounting hardware and features one mounting hole with a diameter of 12.3 mm, facilitating proper alignment and fitment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis control arm and ball joint assembly is compatible with various light suspension grade vehicles, including select models of Ford, Chevrolet, and Dodge trucks and SUVs. It is designed to replace worn or damaged suspension components to restore proper steering geometry and suspension function. The Dorman 521-989 is suitable for vehicles requiring a regular grade control arm with a maximum length of 237 mm and width of 288.5 mm.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play or looseness in the front suspension\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by misaligned control arms\u003c\/li\u003e\n\u003cli\u003eClunking or knocking noises during steering or over bumps\u003c\/li\u003e\n\u003cli\u003eVibration or poor handling due to worn bushings\u003c\/li\u003e\n\u003cli\u003eSteering instability or wandering on the road\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the part number 521-989 matches your vehicle’s specifications. The assembly comes pre-greased and includes mounting hardware, simplifying the installation process. Use proper tools to press in the ball joint if removal or replacement is necessary. Ensure all mounting bolts are torqued to manufacturer specifications to maintain suspension integrity and safety.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards. The 521-989 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52123241644213,"sku":"BKKY-521-989","price":188.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521989_Fro.jpg?v=1775162891","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-989-suspension-control-arm-and-ball-joint-assembly-front-left-upper","provider":"PartCatalog","version":"1.0","type":"link"}