{"product_id":"dorman-539-980-suspension-cross-axis-ball-joint-rear-lower-at-knuckle","title":"Dorman 539-980 Suspension Cross Axis Ball Joint - Rear Lower At Knuckle","description":"\u003ch2\u003eOE-Style Suspension Cross Axis Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-980 is a replacement cross axis ball joint built to match the fit and function of the original equipment part. It helps securely locate the suspension knuckle on select Ford, Lincoln, and Mercury rear lower knuckle applications.\u003c\/p\u003e\u003cp\u003eCompatible with 2002-2005 Ford Explorer, rear lower at knuckle; 2003-2005 Lincoln Aviator, rear lower at knuckle; and 2002-2005 Mercury Mountaineer, rear lower at knuckle. This Dorman 539-980 part number is a direct-fit suspension service component for vehicles that need OE-style geometry and mounting.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement cross axis ball joint for suspension service\u003c\/li\u003e\n\u003cli\u003eMatches original equipment fit and function\u003c\/li\u003e\n\u003cli\u003eSteel construction for durable suspension support\u003c\/li\u003e\n\u003cli\u003ePremium grade type\u003c\/li\u003e\n\u003cli\u003eBolts\/studs included\u003c\/li\u003e\n\u003cli\u003eNo grease fitting and non-greaseable design\u003c\/li\u003e\n\u003cli\u003eNot adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 539-980 is engineered as a suspension cross axis ball joint bushing replacement for rear lower at knuckle locations. It is designed to restore the connection point that helps position the suspension knuckle accurately, which is important for maintaining proper rear suspension alignment and stable handling. The steel construction and OE-style fit make it a practical service part for Explorer, Aviator, and Mountaineer rear suspension repairs. If you are replacing worn suspension hardware on a 2002-2005 Ford Explorer, 2003-2005 Lincoln Aviator, or 2002-2005 Mercury Mountaineer, this part number 539-980 is built for that application.\u003c\/p\u003e\u003cp\u003eThis part cross-references Mevotech Supreme MK80010 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or damaged rear lower knuckle ball joint bushing\u003c\/li\u003e\n\u003cli\u003eRestoring secure suspension knuckle location\u003c\/li\u003e\n\u003cli\u003eAddressing looseness or play in the rear suspension connection\u003c\/li\u003e\n\u003cli\u003eCorrecting noise from a deteriorated suspension joint area\u003c\/li\u003e\n\u003cli\u003eSupporting proper rear suspension geometry on Explorer, Aviator, and Mountaineer models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall at the rear lower at knuckle position only on the listed vehicles. Verify suspension condition before installation and inspect related bushings, knuckle hardware, and mounting points for wear. Because this component is non-greaseable and does not use a grease fitting, service access after installation is limited, so confirm the part number and application before beginning the repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this replacement part as an OE-style service component intended to match original fit and function for the listed applications. The premium grade construction and steel material support consistent replacement quality for suspension repair work.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763276214453,"sku":"BKKY-539-980","price":53.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539980_Fro.jpg?v=1783146810","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-980-suspension-cross-axis-ball-joint-rear-lower-at-knuckle","provider":"PartCatalog","version":"1.0","type":"link"}