{"product_id":"dorman-540-039-suspension-ball-joint-front-lower","title":"Dorman 540-039 Suspension Ball Joint - Front Lower","description":"\u003ch2\u003eDorman 540-039 Front Lower Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 540-039 is a threaded, press-in suspension ball joint built for front lower service on select Ford and Lincoln applications. It is precision-engineered and tested for reliable OE-style replacement on the vehicles listed below, including the Ford F-150, Ford Expedition, Lincoln Navigator, and Ford GT.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThreaded suspension ball joint for front lower installation\u003c\/li\u003e\n\u003cli\u003eSteel construction with a gray finish\u003c\/li\u003e\n\u003cli\u003eDust boot included for joint protection\u003c\/li\u003e\n\u003cli\u003eBall joint assembly included\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003ePremium suspension grade type\u003c\/li\u003e\n\u003cli\u003e12 mm wrench size\u003c\/li\u003e\n\u003cli\u003eTapered stud design with 35.5 mm stud thread length\u003c\/li\u003e\n\u003cli\u003ePress-in mounting type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint, part number 540-039, is designed for front lower suspension service where a worn joint can affect steering feel, tire wear, and front-end stability. The steel body, threaded design, and included dust boot support dependable replacement performance in demanding suspension applications. It cross-references MOOG Chassis Products K500318 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With 2015-2020 Ford F-150, front lower; 2018-2024 Ford Expedition, front lower; 2018-2024 Lincoln Navigator, front lower; and 2017-2022 Ford GT, front lower. The Dorman 540-039 is a direct-fit service part for these front lower positions and is built to match the original equipment layout on the listed vehicles.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end looseness or play from a worn lower ball joint\u003c\/li\u003e\n\u003cli\u003eClunking or popping noises from the 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\u003eInspection failure caused by excessive ball joint movement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle fitment by year, make, model, and front lower position before installation. This part uses a press-in mounting type and a tapered stud, so proper suspension service tools and alignment procedures are recommended after replacement. Confirm the existing suspension configuration and compare the original joint dimensions, including overall length, width, and outside diameter, before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman states this ball joint is precision-engineered and rigorously tested to provide a reliable replacement for the original equipment on specific vehicles. The part number is 540-039.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763279130805,"sku":"BKKY-540-039","price":43.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_540039_Fro.jpg?v=1783147155","url":"https:\/\/www.partcatalog.com\/products\/dorman-540-039-suspension-ball-joint-front-lower","provider":"PartCatalog","version":"1.0","type":"link"}