{"product_id":"dorman-520-391-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-391 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 520-391 suspension control arm and ball joint assembly is designed specifically for Ford F-150 and Lincoln Mark LT 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 Ford F-150 and Lincoln Mark LT\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 520-391) features a casting\/forged aluminum control arm designed for durability and corrosion resistance. The assembly includes rubber bushings to reduce vibration and noise, and the ball joint is press-in mounted with a 14 mm threaded stud for secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single 12.3 mm mounting hole. The black finish provides additional protection against wear and environmental factors. This assembly is pre-greased, eliminating the need for additional lubrication during installation, although it does not include a grease fitting.\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\u003eFord F-150 (various model years)\u003c\/li\u003e\n\u003cli\u003eLincoln Mark LT\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed for light suspension grade use, making it suitable for regular driving conditions and light-duty applications.\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 suspension alignment\u003c\/li\u003e\n\u003cli\u003eVibration or noise from suspension components\u003c\/li\u003e\n\u003cli\u003eLoose or damaged mounting hardware impacting vehicle handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-391 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 direct installation. Ensure the mounting hole aligns properly with the vehicle frame and torque all hardware to manufacturer specifications. This part is not adjustable, so proper alignment should be verified after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. The 520-391 suspension control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. This product includes mounting hardware and bushings for a complete replacement solution. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43987606864053,"sku":"BKKY-520-391","price":224.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520391_Fro.jpg?v=1775007617","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-391-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}