{"product_id":"dorman-539-978-suspension-ball-joint-front-right-lower","title":"Dorman 539-978 Suspension Ball Joint - Front Right Lower","description":"\u003ch2\u003eDorman 539-978 Ball Joint for Ram ProMaster City\u003c\/h2\u003e\u003cp\u003eDorman 539-978 is a threaded suspension ball joint built as a direct replacement for the original equipment on specific vehicles. It is engineered and tested for dependable front suspension service on the Ram ProMaster City front right lower position.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered suspension ball joint for OE-style replacement\u003c\/li\u003e\n\u003cli\u003eThreaded, bolt-in mounting design\u003c\/li\u003e\n\u003cli\u003eSteel construction with gray finish\u003c\/li\u003e\n\u003cli\u003eDust boot included for joint protection\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003eFits 2015-2022 Ram ProMaster City, front right lower\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint, part number 539-978, is designed for the front right lower suspension position on 2015-2022 Ram ProMaster City models. The steel body, threaded design, and bolt-in mounting style support a secure OE-style replacement where the original joint has worn or failed. A dust boot is included to help protect the joint from road debris and moisture, while the premium-grade construction is intended to match the demands of daily driving and suspension movement. This part cross-references Mevotech Supreme MS25580 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Repair Symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end clunking or popping over bumps\u003c\/li\u003e\n\u003cli\u003eLoose or imprecise steering feel\u003c\/li\u003e\n\u003cli\u003eUneven tire wear from worn suspension geometry\u003c\/li\u003e\n\u003cli\u003eExcessive play in the front right lower suspension joint\u003c\/li\u003e\n\u003cli\u003eInspection failure caused by ball joint wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2015-2022 Ram ProMaster City, front right lower. Confirm the threaded, bolt-in mounting style and 3-hole mounting pattern before installation. The stud uses a pinch-style design with a 12 mm wrench size and 35.5 mm stud thread length. Because this is a suspension component, proper torque procedures and a post-installation alignment check are recommended after replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this ball joint as a replacement for the original equipment on specific applications and subjects it to testing for reliable service. Part number 539-978 is built to meet the needs of the Ram ProMaster City front suspension where a direct-fit replacement is required.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763276116149,"sku":"BKKY-539-978","price":62.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539978_Fro.jpg?v=1783146796","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-978-suspension-ball-joint-front-right-lower","provider":"PartCatalog","version":"1.0","type":"link"}