{"product_id":"dorman-520-387-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-387 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 520-387 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer vehicles. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.\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 control arm with a black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly features a forged and cast steel control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a press-in ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are included to reduce vibration and noise, while the assembly comes pre-greased to minimize maintenance. Mounting hardware is also provided to facilitate installation. The control arm 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 520-387 assembly is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Explorer\u003c\/li\u003e\n\u003cli\u003eFord Explorer Sport Trac\u003c\/li\u003e\n\u003cli\u003eMercury Mountaineer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use in suspension systems requiring a reliable control arm and ball joint assembly to maintain proper wheel alignment and handling characteristics.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged control arm bushings causing excessive play\u003c\/li\u003e\n\u003cli\u003eFaulty ball joints leading to uneven tire wear or steering issues\u003c\/li\u003e\n\u003cli\u003eCorroded or weakened control arm compromising suspension integrity\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from suspension components\u003c\/li\u003e\n\u003cli\u003eMisalignment affecting vehicle handling and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 520-387 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is press-in type and pre-installed, no separate ball joint replacement is necessary. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. The assembly is pre-greased, so additional lubrication is not required during installation. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-387 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. 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":43987606175925,"sku":"BKKY-520-387","price":159.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520387_Fro.jpg?v=1775007616","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-387-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}