{"product_id":"dorman-539-987-suspension-ball-joint-front-upper","title":"Dorman 539-987 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDorman 539-987 Suspension Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-987 is a threaded suspension ball joint built as a direct replacement for the original equipment on specific vehicles. It is precision-engineered and tested for dependable steering and suspension service, with OE-style details that matter during repair.\u003c\/p\u003e\u003cp\u003eCompatible With Ford Super Duty applications, this ball joint supports front suspension service where a worn joint can affect alignment and steering response. The Dorman 539-987 also cross-references MOOG Chassis Products (e.g., K500087, K500087T005) for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThreaded, press-in style suspension ball joint\u003c\/li\u003e\n\u003cli\u003eSteel construction with gray finish\u003c\/li\u003e\n\u003cli\u003eGreaseable design for serviceable lubrication\u003c\/li\u003e\n\u003cli\u003eDust boot included to help protect the joint\u003c\/li\u003e\n\u003cli\u003eCastle nut included; cotter pin hole provided\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003eTapered stud design with 12 mm wrench size\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis suspension ball joint is built from steel and measures 111 mm in length, 59 mm in width, and 85.03 mm in height, with a maximum outside diameter of 61 mm. It uses a tapered stud with 35.5 mm stud thread length and a press-in mounting type, making it a practical OE-style replacement for front suspension repair on Ford Super Duty trucks and related applications. The Dorman 539-987 is greaseable, includes a dust boot made from polychloroprene, and is supplied with a castle nut for installation.\u003c\/p\u003e\u003cp\u003eFor buyers searching by vehicle and part number, Dorman 539-987 is a strong match for Ford Super Duty front suspension service where ball joint wear has created looseness, noise, or uneven tire wear. This part number also appears in interchange listings for Centric Parts 610.65007 and Delphi TC5255.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end clunking or popping from a worn ball joint\u003c\/li\u003e\n\u003cli\u003eSteering looseness or wandering\u003c\/li\u003e\n\u003cli\u003eUneven or accelerated tire wear caused by suspension play\u003c\/li\u003e\n\u003cli\u003eExcessive movement at the steering knuckle connection\u003c\/li\u003e\n\u003cli\u003eInspection failure from a damaged or loose suspension joint\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify vehicle application by year, make, model, and suspension configuration before installation. This is a press-in ball joint, so proper removal and installation tools are recommended to avoid damage to the control arm or knuckle. Clean the mounting area, confirm the tapered stud seats correctly, and torque the castle nut to the vehicle specification before installing the cotter pin through the provided hole.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman states that this suspension ball joint is precision-engineered and rigorously tested to provide a reliable replacement for the original equipment on specific vehicles. The part is built to premium suspension standards and includes OE-style features such as a dust boot and greaseable service design.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763276607669,"sku":"BKKY-539-987","price":44.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539987_Bac.jpg?v=1783146860","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-987-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}