{"product_id":"dorman-539-988-suspension-ball-joint-front-upper","title":"Dorman 539-988 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDorman 539-988 Front Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDorman 539-988 is a threaded suspension ball joint engineered as a standard replacement for the original equipment on select Ford trucks and SUVs. It is built from steel with a grey finish, a dust boot, and a tapered stud for dependable front suspension service on applications such as the Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Bronco.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for suspension durability\u003c\/li\u003e\n\u003cli\u003eThreaded design with press-in mounting type\u003c\/li\u003e\n\u003cli\u003eTapered stud with cotter pin hole\u003c\/li\u003e\n\u003cli\u003eDust boot included; dust boot material is polychloroprene\u003c\/li\u003e\n\u003cli\u003eCastle nut included\u003c\/li\u003e\n\u003cli\u003eStandard replacement suspension grade\u003c\/li\u003e\n\u003cli\u003eGrease fitting not included; greaseable design not specified\u003c\/li\u003e\n\u003cli\u003eAdjustable: No\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman suspension ball joint, part number 539-988, is precision-engineered and tested to replace the original equipment front upper ball joint on specific Ford applications. It uses a steel body, a 12 mm wrench size, and a tapered stud to support proper steering and suspension articulation. For shoppers searching for a Ford F-250 Super Duty front upper ball joint, Ford F-350 Super Duty front upper ball joint, or Ford Bronco front upper ball joint, this part number 539-988 matches the listed OE-style application coverage.\u003c\/p\u003e\u003cp\u003eThis part cross-references MOOG Chassis Products K80026 for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1999-2022 Ford F-250 Super Duty, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1999-2022 Ford F-350 Super Duty, front upper\u003c\/li\u003e\n\u003cli\u003eFits 2001-2009 Ford F-250, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1980-1996 Ford F-250, front upper\u003c\/li\u003e\n\u003cli\u003eFits 2000-2005 Ford Excursion, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1997 Ford F-250, front upper, w\/Twin I-Beam Axle\u003c\/li\u003e\n\u003cli\u003eFits 1997 Ford F-250 HD, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1992-1997 Ford F-350, front upper, w\/Monobeam Suspension\u003c\/li\u003e\n\u003cli\u003eFits 1980-1996 Ford Bronco, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1980-1996 Ford F-150, front upper\u003c\/li\u003e\n\u003cli\u003eFits 1980-1985 Ford F-350, front upper, w\/Twin I-Beam Suspension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the front upper position and suspension configuration before installation, especially on 1997 Ford F-250, 1992-1997 Ford F-350, and 1980-1985 Ford F-350 applications with axle or suspension notes. Inspect the mating surfaces, replace worn hardware as needed, and verify the tapered stud seats correctly before final torque. The cotter pin hole and castle nut design should be secured according to the vehicle service procedure.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this ball joint as a direct replacement component for specific OE applications and subjects it to engineering and testing validation before release. Part number 539-988 is built to meet the demands of front suspension service on Ford truck and SUV platforms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52763276673205,"sku":"BKKY-539-988","price":45.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_539988_Bac.jpg?v=1783146867","url":"https:\/\/www.partcatalog.com\/products\/dorman-539-988-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}