{"product_id":"delphi-tc4172-suspension-ball-joint-front-lower-inner","title":"Delphi TC4172 Suspension Ball Joint - Front Lower Inner","description":"\u003ch2\u003eDelphi TC4172 Front Lower Inner Ball Joint\u003c\/h2\u003e\u003cp\u003eDelphi TC4172 is a standard replacement suspension ball joint for the front lower inner position on select Mini Cooper models. It is built with OE-focused dimensional and material analysis to support proper fit and consistent steering and suspension performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2007-2015 Mini Cooper, front lower inner\u003c\/li\u003e\n\u003cli\u003eDelphi TC4172 suspension ball joint with press-in mounting type\u003c\/li\u003e\n\u003cli\u003ePre-greased design with a rubber dust boot included\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade with plastic bearing type\u003c\/li\u003e\n\u003cli\u003eThreaded stud with tapered end for secure suspension connection\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003eCounterclockwise (left) thread direction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi TC4172 is engineered for the front lower inner suspension location on 2007-2015 Mini Cooper applications. This ball joint uses a press-in mounting design and includes a dust boot to help protect the joint from road contamination. Delphi applies OE-style testing and dimensional analysis to support fitment consistency between the original part and the aftermarket replacement. The TC4172 is pre-greased, non-greaseable, and built as a standard replacement component for power steering applications. This part cross-references Dorman OE Solutions 521-074 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront suspension looseness or play at the lower inner joint\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from the front suspension over bumps\u003c\/li\u003e\n\u003cli\u003eUneven steering response caused by worn ball joint components\u003c\/li\u003e\n\u003cli\u003eExcess movement in the lower control arm connection\u003c\/li\u003e\n\u003cli\u003eDust and contamination entering a worn joint area\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2007-2015 Mini Cooper, front lower inner. Verify press-in bore size, stud taper, and left-hand thread direction before installation. Because this is a press-in ball joint, proper suspension service tools are required for removal and installation. Confirm alignment after replacement to restore correct front-end geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi subjects steering and suspension parts to temperature extremes below -40 degrees C and above 120 degrees C, along with extended salt-spray exposure, to evaluate durability and corrosion resistance. Delphi TC4172 is backed by OE-focused engineering and testing practices used across its aftermarket steering portfolio.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435693142197,"sku":"BBMX-TC4172","price":39.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC4172_FRO.jpg?v=1777861889","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc4172-suspension-ball-joint-front-lower-inner","provider":"PartCatalog","version":"1.0","type":"link"}