{"product_id":"dorman-521-903-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-903 Suspension Control Arm and Ball Joint Assembly - Front Left Lower","description":"\u003ch2\u003eReliable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-903 suspension control arm and ball joint assembly is designed to restore proper suspension function for vehicles requiring a light suspension grade component. Engineered with durable steel and pre-greased ball joints, this assembly offers a dependable solution for maintaining vehicle stability and handling.\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\u003eSteel control arm with casting\/forged construction\u003c\/li\u003e\n\u003cli\u003eBolt-in ball joint with pinch stud type\u003c\/li\u003e\n\u003cli\u003eControl arm dimensions: 288.5 mm width, 237 mm length\u003c\/li\u003e\n\u003cli\u003eSingle mounting hole with 12.3 mm diameter\u003c\/li\u003e\n\u003cli\u003eBlack finish for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Design Features\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension control arm and ball joint assembly (part number 521-903) features a steel control arm built with casting and forging techniques to ensure strength and longevity. The assembly comes pre-greased, eliminating the need for immediate maintenance after installation. Rubber bushings are included to absorb vibrations and reduce noise, while the bolt-in ball joint with a pinch stud design provides secure attachment and reliable steering response. The black finish helps protect against corrosion, extending the service life of the component.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis control arm and ball joint assembly is suitable for light suspension grade applications and is compatible with various vehicle makes and models requiring a 14 mm ball joint thread diameter and a single mounting hole of 12.3 mm. It is ideal for vehicles that need a direct replacement part to restore suspension geometry and handling performance. Always verify fitment with your specific vehicle model and year before purchase.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play or looseness in the suspension control arm\u003c\/li\u003e\n\u003cli\u003eWorn or damaged ball joints causing steering instability\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from deteriorated bushings\u003c\/li\u003e\n\u003cli\u003eMisalignment leading to uneven tire wear\u003c\/li\u003e\n\u003cli\u003eCorrosion or damage to original control arm components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 521-903 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 during installation. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry and vehicle handling.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 521-903 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure fit and function. Please refer to Dorman's warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997515448501,"sku":"BKKY-521-903","price":119.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521903_Fro.jpg?v=1775007947","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-903-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}