{"product_id":"dorman-520-457-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 520-457 Suspension Control Arm and Ball Joint Assembly - Front Left Upper","description":"\u003ch2\u003eOverview of Dorman Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-457 suspension control arm and ball joint assembly is designed specifically for Lexus GS300, GS400, GS430, and SC430 models. This pre-greased, iron control arm with integrated ball joint offers a reliable replacement option for maintaining proper suspension performance and vehicle handling.\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\u003ePress-in ball joint with threaded stud\u003c\/li\u003e\n\u003cli\u003eConstructed from durable iron with a black finish\u003c\/li\u003e\n\u003cli\u003eCompatible with Lexus GS300, GS400, GS430, and SC430\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 520-457 control arm assembly features a casting\/forged iron construction that provides strength and durability for light suspension grade applications. It comes pre-greased, eliminating the need for additional lubrication during installation. The assembly includes rubber bushings to reduce vibration and noise, and the ball joint is installed and ready to use. The ball joint mounting type is press-in, with a threaded stud measuring 14 mm in diameter, ensuring secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter. Mounting hardware is included for a complete replacement solution.\u003c\/p\u003e\u003ch2\u003eCompatible Lexus Models and Applications\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly is compatible with the following Lexus vehicles: GS300, GS400, GS430, and SC430. It is designed to meet the suspension requirements of these models, providing a direct fit replacement that maintains factory suspension geometry and handling characteristics. The part number 520-457 ensures you receive the correct component for these specific Lexus models.\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 steering instability\u003c\/li\u003e\n\u003cli\u003eSuspension noise due to degraded rubber bushings\u003c\/li\u003e\n\u003cli\u003eUneven tire wear from misaligned suspension components\u003c\/li\u003e\n\u003cli\u003eReduced vehicle handling and ride comfort\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your Lexus GS300, GS400, GS430, or SC430 using the part number 520-457. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque all mounting bolts to manufacturer specifications. Since the control arm is not adjustable, ensure alignment is checked and corrected after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-457 control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43987754287285,"sku":"BKKY-520-457","price":103.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520457_Fro.jpg?v=1775007647","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-457-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}