{"product_id":"dorman-539-992-suspension-ball-joint-front-upper","title":"Dorman 539-992 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDorman 539-992 Front Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-992 is a threaded, press-in suspension ball joint built for the front upper position on select Ford, Lincoln, and Mercury vehicles. It is precision-engineered and tested to provide a direct replacement for the original equipment on the 2002-2005 Ford Explorer, 2003-2005 Lincoln Aviator, and 2002-2005 Mercury Mountaineer.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront upper suspension ball joint for select applications\u003c\/li\u003e\n\u003cli\u003eThreaded stud design with press-in mounting type\u003c\/li\u003e\n\u003cli\u003eSteel construction with grey 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\u003eWrench size: 12 mm\u003c\/li\u003e\n\u003cli\u003eCross-reference part number: MOOG Chassis Products K80008\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint is designed for the front upper suspension position on 2002-2005 Ford Explorer, 2003-2005 Lincoln Aviator, and 2002-2005 Mercury Mountaineer models. Part number 539-992 uses a steel body, threaded stud, and press-in mounting style to match the service requirements of the original suspension layout. The included dust boot helps protect the joint from road contamination, while the premium-grade construction supports consistent steering and suspension operation.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a front upper ball joint for Ford Explorer, Lincoln Aviator, or Mercury Mountaineer, Dorman 539-992 provides a direct-fit replacement option with OE-style dimensions and hardware provisions. This part number 539-992 is a practical choice when replacing worn suspension joints on these specific vehicles.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end looseness from a worn upper ball joint\u003c\/li\u003e\n\u003cli\u003eClunking or knocking noises from the suspension\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to suspension joint wear\u003c\/li\u003e\n\u003cli\u003eSteering play or imprecise front suspension response\u003c\/li\u003e\n\u003cli\u003eInspection failure caused by excessive joint movement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible With 2002-2005 Ford Explorer, front upper\u003c\/li\u003e\n\u003cli\u003eCompatible With 2003-2005 Lincoln Aviator, front upper\u003c\/li\u003e\n\u003cli\u003eCompatible With 2002-2005 Mercury Mountaineer, front upper\u003c\/li\u003e\n\u003cli\u003ePress-in installation requires proper suspension service tools and alignment procedures after replacement\u003c\/li\u003e\n\u003cli\u003eVerify stud thread length, wrench size, and mounting dimensions before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman engineers and tests this replacement ball joint to meet the needs of specific OE applications. The design focuses on fit, function, and durability for service replacement on the listed Ford, Lincoln, and Mercury platforms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763276902581,"sku":"BKKY-539-992","price":32.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539992_Bac.jpg?v=1783146894","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-992-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}