{"product_id":"delphi-tc8478-suspension-ball-joint-front-upper","title":"Delphi TC8478 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDelphi TC8478 Front Upper Ball Joint\u003c\/h2\u003e\u003cp\u003eDelphi TC8478 is a standard replacement suspension ball joint for the front upper position. Built with a steel body, rubber dust boot, and press-in mounting design, it is made for direct service on select Dodge Durango and Jeep Grand Cherokee applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront upper suspension ball joint\u003c\/li\u003e\n\u003cli\u003eSteel construction with gray finish\u003c\/li\u003e\n\u003cli\u003eRubber dust boot included\u003c\/li\u003e\n\u003cli\u003ePress-in mounting type\u003c\/li\u003e\n\u003cli\u003eStandard replacement suspension grade\u003c\/li\u003e\n\u003cli\u003eThreaded, tapered stud design\u003c\/li\u003e\n\u003cli\u003eMounting hardware and washers included\u003c\/li\u003e\n\u003cli\u003eNo grease fitting; non-greaseable design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details\u003c\/h2\u003e\u003cp\u003eCompatible with 2016-2022 Dodge Durango, front upper; 2022 Jeep Grand Cherokee WK, front upper; and 2016-2021 Jeep Grand Cherokee, front upper. Delphi TC8478 is engineered using dimensional and material analysis to match OE and aftermarket requirements, helping maintain proper suspension geometry and fitment. This part cross-references Mevotech Supreme MS25561 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end looseness or play from a worn ball joint\u003c\/li\u003e\n\u003cli\u003eClunking or popping noises from the upper suspension area\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to suspension joint wear\u003c\/li\u003e\n\u003cli\u003eSteering instability caused by excess joint movement\u003c\/li\u003e\n\u003cli\u003eInspection failure from damaged or deteriorated ball joint components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eDelphi TC8478 uses a press-in mounting style, so proper suspension service tools are required for installation. Verify the front upper position before ordering, and compare the original part dimensions, stud taper, and mounting style to confirm correct application on your Dodge Durango or Jeep Grand Cherokee. The included dust boot and mounting hardware support a complete service replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi applies OE-focused testing and material analysis to its steering and suspension parts. This ball joint is evaluated for temperature extremes and salt-spray exposure to help confirm durability in demanding road conditions.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435701727413,"sku":"BBMX-TC8478","price":31.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC8478_FRO.jpg?v=1777863419","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc8478-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}