{"product_id":"dorman-521-254-suspension-control-arm-and-ball-joint-assembly","title":"Dorman 521-254 Suspension Control Arm and Ball Joint Assembly - Front Right Upper Rearward","description":"\u003ch2\u003eDurable Suspension Control Arm and Ball Joint Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-254 suspension control arm and ball joint assembly is engineered for reliable performance in Audi and Porsche vehicles. Designed to meet regular suspension grade requirements, this assembly ensures proper handling and stability for models including the Audi A4, A5, A6, A7, and Porsche Macan, Q5, RS5, and RS7.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePre-greased for immediate installation and smooth operation\u003c\/li\u003e\n\u003cli\u003eIncludes rubber bushings and mounting hardware for a complete replacement\u003c\/li\u003e\n\u003cli\u003eThreaded ball joint stud with a 14 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eConstructed from durable steel with a black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePressed attachment type with one mounting hole (12.3 mm diameter)\u003c\/li\u003e\n\u003cli\u003eControl arm dimensions: maximum width 288.5 mm, maximum length 237 mm\u003c\/li\u003e\n\u003cli\u003eBall joint installed and included for convenience\u003c\/li\u003e\n\u003cli\u003eCompatible with light suspension grade applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 521-254 control arm and ball joint assembly is a casting\/forged steel component designed for light suspension grade use. It features a pre-greased ball joint stud that is threaded for secure attachment, eliminating the need for additional grease fittings. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride comfort. The assembly comes with all necessary mounting hardware, simplifying the installation process. Its black finish provides added protection against rust and wear, extending the service life of the part.\u003c\/p\u003e\u003ch2\u003eCompatible Audi and Porsche Models\u003c\/h2\u003e\u003cp\u003eThis suspension control arm and ball joint assembly is compatible with a range of Audi and Porsche vehicles, including Audi A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A7, A7 Quattro, allroad, RS5, RS7, S4, S5, S6, S7, and Porsche Macan, Q5, SQ5 models. The part number 521-254 ensures precise fitment for these models, maintaining factory suspension geometry and performance.\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 vehicle alignment\u003c\/li\u003e\n\u003cli\u003eLoose or missing mounting hardware resulting in suspension play\u003c\/li\u003e\n\u003cli\u003eReduced ride comfort due to degraded suspension components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your specific Audi or Porsche model using the part number 521-254. The assembly comes pre-greased and includes all necessary bushings and mounting hardware, but no grease fitting is included. Use proper torque specifications for the single mounting hole (12.3 mm diameter) to ensure secure attachment. Since the control arm is not adjustable, alignment checks after installation are recommended 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 durability and performance. The 521-254 control arm and ball joint assembly undergoes rigorous quality control to ensure reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product's longevity.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43997062758581,"sku":"BKKY-521-254","price":49.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_521254_Fro.jpg?v=1775007830","url":"https:\/\/www.partcatalog.com\/products\/dorman-521-254-suspension-control-arm-and-ball-joint-assembly","provider":"PartCatalog","version":"1.0","type":"link"}