{"product_id":"dorman-539-998-suspension-ball-joint-front-upper","title":"Dorman 539-998 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDorman 539-998 Front Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-998 is a threaded, press-in suspension ball joint built for the front upper position on select Ford Super Duty and related truck applications. It is precision-engineered and tested for dependable OE-style replacement performance on the vehicles listed below.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront upper suspension ball joint for select Ford applications\u003c\/li\u003e\n\u003cli\u003eThreaded design with press-in mounting type\u003c\/li\u003e\n\u003cli\u003eSteel construction with gray finish\u003c\/li\u003e\n\u003cli\u003eDust boot included; grease fitting not included\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003e12 mm wrench size and pinch-style stud\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman ball joint, part number 539-998, is built for the front upper suspension location on 1999-2022 Ford F-250 Super Duty and 1999-2022 Ford F-350 Super Duty, plus select Ford F-250, Ford F-350, and Ford Excursion applications. It also fits 1999 Ford F-250 with Twin I-Beam suspension. The steel body, polychloroprene dust boot, and press-in construction are specified for direct replacement use where the original upper ball joint has worn or loosened.\u003c\/p\u003e\u003cp\u003eThis part cross-references MOOG Chassis Products K80028 and Delphi TC6016 for the same application. Dorman 539-998 is a practical choice when servicing front suspension wear on Ford F-250 Super Duty, Ford F-350 Super Duty, and related models.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end looseness or play from a worn upper ball joint\u003c\/li\u003e\n\u003cli\u003eClunking or knocking noises from the front suspension\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to suspension joint wear\u003c\/li\u003e\n\u003cli\u003eSteering instability or wandering at the front axle\u003c\/li\u003e\n\u003cli\u003eRestoring proper suspension articulation at the upper control point\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the front upper position and confirm vehicle-specific fitment before installation. This ball joint uses a press-in mounting type and a pinch-style stud with a 12 mm wrench size. The dust boot is included, while a grease fitting, castle nut, cotter pin, bushings, and washers are not included. Professional installation and proper suspension service tools are recommended for press-fit components.\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 reliable replacement performance for the original equipment on specific vehicles. The premium-grade construction supports consistent fit and function for listed Ford applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763277197493,"sku":"BKKY-539-998","price":39.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539998_Bac.jpg?v=1783146929","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-998-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}