{"product_id":"delphi-tc4221-suspension-ball-joint-front-upper","title":"Delphi TC4221 Suspension Ball Joint - Front Upper","description":"\u003ch2\u003eDelphi Front Upper Ball Joint for Jeep and Dodge\u003c\/h2\u003e\u003cp\u003eDelphi TC4221 is a standard replacement suspension ball joint for front upper applications on select Jeep and Dodge vehicles. It is built with OE-focused dimensional and material analysis to support proper fitment, smooth steering response, and dependable suspension articulation.\u003c\/p\u003e\u003cp\u003eCompatible with front upper positions on Jeep Wrangler, Wrangler JK, TJ, Cherokee, Grand Cherokee, Comanche, Wagoneer, Grand Wagoneer, and Dodge Ram 1500 and Ram 2500 applications listed below.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number TC4221\u003c\/li\u003e\n\u003cli\u003eFront upper suspension ball joint\u003c\/li\u003e\n\u003cli\u003ePress-in mounting type\u003c\/li\u003e\n\u003cli\u003ePre-greased and greaseable design\u003c\/li\u003e\n\u003cli\u003eGrease fitting included\u003c\/li\u003e\n\u003cli\u003eDust boot included with rubber boot material\u003c\/li\u003e\n\u003cli\u003eCastle nut, cotter pin, cotter pin hole, and mounting hardware included\u003c\/li\u003e\n\u003cli\u003eCounterclockwise (left) thread direction\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade\u003c\/li\u003e\n\u003cli\u003eBall joint assembly included\u003c\/li\u003e\n\u003cli\u003eTapered stud with threaded stud type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi TC4221 is engineered for front upper suspension service where precise joint movement and secure steering geometry matter. It features a press-in design, plastic bearing type, and a tapered stud with a threaded end for proper suspension connection. The joint is pre-greased and also greaseable, giving technicians a serviceable replacement option for Jeep Wrangler JK, Jeep Wrangler, Jeep TJ, Jeep Cherokee, Jeep Grand Cherokee, Jeep Comanche, Jeep Wagoneer, Jeep Grand Wagoneer, Dodge Ram 1500, and Dodge Ram 2500 front upper applications. Delphi applies OE-level dimensional and material analysis to help ensure the replacement part matches the original fit and function expected in these vehicles. This part cross-references MOOG Chassis Products K3134T for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Ball Joint Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive play in the front upper suspension joint\u003c\/li\u003e\n\u003cli\u003eClunking or looseness from worn steering and suspension components\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by suspension joint wear\u003c\/li\u003e\n\u003cli\u003eImprecise steering feel in front suspension service\u003c\/li\u003e\n\u003cli\u003eRestoration of proper front upper joint articulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s front upper position before ordering, since this part is specific to the listed applications. The press-in mounting style requires proper suspension service tools and correct installation procedures. Confirm the left-hand thread direction, use the included cotter pin and castle nut as specified, and inspect the surrounding control arm and steering components for wear during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi subjects its OE-style steering and suspension parts to temperature extremes below -40 degrees C and above 120 degrees C, along with extended salt-spray exposure testing. TC4221 is built to meet the dimensional and material expectations needed for consistent aftermarket replacement performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2018 Jeep Wrangler JK, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1997-2017 Jeep Wrangler, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1987-1995 Jeep Wrangler, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1997-2006 Jeep TJ, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1993-2004 Jeep Grand Cherokee, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1994-2001 Dodge Ram 1500, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1984-2001 Jeep Cherokee, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1994-1999 Dodge Ram 2500, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1993 Jeep Grand Wagoneer, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1986-1992 Jeep Comanche, Front Upper\u003c\/li\u003e\n\u003cli\u003eFits 1984-1990 Jeep Wagoneer, Front Upper\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435693600949,"sku":"BBMX-TC4221","price":27.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC4221_FRO.jpg?v=1777861978","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc4221-suspension-ball-joint-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}