{"product_id":"delphi-tc7188-suspension-control-arm-and-ball-joint-assembly-rear-upper-forward","title":"Delphi TC7188 Suspension Control Arm and Ball Joint Assembly - Rear Upper Forward","description":"\u003ch2\u003eOE-Style Rear Upper Forward Control Arm\u003c\/h2\u003e\u003cp\u003eDelphi TC7188 is a premium suspension control arm and ball joint assembly for the rear upper forward position. It is built for Lexus GS300, GS400, GS430, and SC430 applications that need a direct-fit replacement with OE-focused dimensions and materials.\u003c\/p\u003e\u003cp\u003eDelphi applies OE-level testing and dimensional analysis to help ensure proper fit and consistent suspension performance. This assembly includes the ball joint, bushings, dust boot, and mounting hardware, with pre-greased construction for service-ready installation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number TC7188\u003c\/li\u003e\n\u003cli\u003eFits the rear upper forward suspension position\u003c\/li\u003e\n\u003cli\u003ePre-greased assembly\u003c\/li\u003e\n\u003cli\u003eBall joint included\u003c\/li\u003e\n\u003cli\u003eBushings included\u003c\/li\u003e\n\u003cli\u003eDust boot included\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003ePremium grade construction\u003c\/li\u003e\n\u003cli\u003eBlack rubber bushings and black chloroprene rubber boot\u003c\/li\u003e\n\u003cli\u003eClockwise (right) thread direction\u003c\/li\u003e\n\u003cli\u003eNon-adjustable, greaseable design\u003c\/li\u003e\n\u003cli\u003ePower steering type application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi TC7188 is engineered as a suspension control arm and ball joint assembly for the rear upper forward location on select Lexus models. It is a direct replacement for 1998-2005 Lexus GS300, 1998-2000 Lexus GS400, 2001-2005 Lexus GS430, and 2002-2010 Lexus SC430. This part cross-references Beck\/Arnley 102-7884 for the same application.\u003c\/p\u003e\u003cp\u003eDelphi uses OE-based material and dimensional analysis to support fitment consistency between the original part and the aftermarket replacement. The assembly is tested across extreme temperature ranges and salt-spray exposure to evaluate durability in demanding road conditions. Delphi TC7188 is a practical choice when replacing a worn rear upper forward control arm on Lexus GS300, GS400, GS430, or SC430 suspension systems.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Help Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClunking or knocking from the rear suspension\u003c\/li\u003e\n\u003cli\u003eExcessive play from a worn ball joint\u003c\/li\u003e\n\u003cli\u003eCracked or deteriorated control arm bushings\u003c\/li\u003e\n\u003cli\u003eUneven rear tire wear caused by suspension looseness\u003c\/li\u003e\n\u003cli\u003eImprecise rear suspension response over bumps and turns\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 1998-2005 Lexus GS300, rear upper forward. Fits 1998-2000 Lexus GS400, rear upper forward. Fits 2001-2005 Lexus GS430, rear upper forward. Fits 2002-2010 Lexus SC430, rear upper forward.\u003c\/p\u003e\u003cp\u003eConfirm the rear upper forward position before ordering, and compare the original arm length, mounting points, and thread direction to the replacement part. Inspect adjacent bushings, fasteners, and alignment settings during installation, and perform a professional wheel alignment after replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs this suspension component with OE-focused engineering, including temperature and corrosion testing plus dimensional and material analysis to support consistent fit and performance. The TC7188 is built to meet the demands of everyday driving while matching the original suspension layout on the listed Lexus applications.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435698516149,"sku":"BBMX-TC7188","price":67.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC7188_Fro.jpg?v=1777862802","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc7188-suspension-control-arm-and-ball-joint-assembly-rear-upper-forward","provider":"PartCatalog","version":"1.0","type":"link"}