{"product_id":"dorman-540-007-suspension-ball-joint-rear-upper","title":"Dorman 540-007 Suspension Ball Joint - Rear Upper","description":"\u003ch2\u003eDorman 540-007 Rear Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 540-007 is a threaded, press-in suspension ball joint built for rear upper applications on select Ford, Lincoln, and Mercury SUVs. It is precision-engineered and tested as a direct replacement for the original equipment part on the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThreaded suspension ball joint for rear upper placement\u003c\/li\u003e\n\u003cli\u003eSteel construction with a grey finish\u003c\/li\u003e\n\u003cli\u003eDust boot included to help protect the joint\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003ePress-in mounting style with pinch-style stud\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003e12 mm wrench size\u003c\/li\u003e\n\u003cli\u003ePart number 540-007\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint is designed for 2002-2005 Ford Explorer rear upper, 2003-2005 Lincoln Aviator rear upper, and 2002-2005 Mercury Mountaineer rear upper applications. The steel body, threaded design, and press-in mounting style support a precise OE-style replacement where the original rear upper ball joint has worn or loosened. The dust boot helps shield the joint from road contamination, while the premium suspension grade construction is intended for dependable service in the suspension system. If you are replacing a worn rear upper ball joint on a Ford Explorer, Lincoln Aviator, or Mercury Mountaineer, Dorman 540-007 provides a direct-fit service part for the listed vehicles.\u003c\/p\u003e\u003cp\u003eThis part cross-references MOOG Chassis Products (e.g., K500109, K500169) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClunking or popping noises from the rear suspension\u003c\/li\u003e\n\u003cli\u003eExcessive play in the rear upper suspension joint\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to suspension looseness\u003c\/li\u003e\n\u003cli\u003eLoose or unstable rear suspension feel over bumps\u003c\/li\u003e\n\u003cli\u003eFailed original ball joint boot or contaminated joint surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear upper fitment before installation on the specific year and model. Because this is a press-in style ball joint, proper suspension service tools are typically required for removal and installation. Inspect the surrounding control arm and related suspension components for wear before completing the repair. Confirm the 12 mm wrench size and pinch-style stud interface during assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this replacement ball joint as a precision-engineered part that is rigorously tested for reliable service on the listed applications. Part number 540-007 is built to replace the original equipment design on compatible Ford, Lincoln, and Mercury rear upper suspension setups.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763277623477,"sku":"BKKY-540-007","price":53.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_540007_Bac.jpg?v=1783146979","url":"https:\/\/www.partcatalog.com\/products\/dorman-540-007-suspension-ball-joint-rear-upper","provider":"PartCatalog","version":"1.0","type":"link"}