{"product_id":"dorman-521-577-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-577 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly for Nissan X-Trail\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-577 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for Nissan X-Trail models. Designed with quality materials and pre-greased components, this assembly ensures reliable operation and long service life.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased ball joint for immediate use\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware\u003c\/li\u003e\n\u003cli\u003eAluminum control arm with black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud for secure fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Nissan X-Trail suspension systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly (part number 521-577) features a forged and cast aluminum control arm designed for light suspension grade applications. 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 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. Mounting hardware is provided to facilitate installation.\u003c\/p\u003e\u003ch2\u003eCompatible Nissan X-Trail Suspension Replacement\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly is specifically compatible with Nissan X-Trail vehicles, providing a direct replacement for worn or damaged suspension components. It is designed to maintain factory suspension geometry and handling characteristics, ensuring safe and stable vehicle operation.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play or looseness in steering\u003c\/li\u003e\n\u003cli\u003eUneven tire wear due to misalignment\u003c\/li\u003e\n\u003cli\u003eClunking noises from worn ball joints or bushings\u003c\/li\u003e\n\u003cli\u003eReduced suspension responsiveness and control\u003c\/li\u003e\n\u003cli\u003eVibration or instability during driving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 521-577 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure all mounting hardware is torqued to manufacturer specifications. This assembly is not adjustable, so alignment should be checked and corrected after installation to maintain proper handling.\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 521-577 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details vary, Dorman typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997240754357,"sku":"BKKY-521-577","price":171.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521577_Fro.jpg?v=1775007878","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-577-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}