{"product_id":"delphi-tc5379px-suspension-control-arm-and-ball-joint-assembly-front-upper","title":"Delphi TC5379PX Suspension Control Arm and Ball Joint Assembly - Front Upper","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDelphi Professional+ TC5379PX is a front upper suspension control arm and ball joint assembly built for fleet and working vehicles. It uses a steel control arm with a forged\/cast construction, a greaseable design, and serviceable components to support alignment stability and long-term suspension performance.\u003c\/p\u003e\u003cp\u003eCompatible With Chevrolet Express 1500, GMC Savana 1500, Chevrolet Silverado 1500, and GMC Sierra 1500 applications, this Delphi Professional+ part is made for demanding road conditions and repeated service use. The TC5379PX part number is also referenced by multiple OE and aftermarket cross-references for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront upper suspension control arm and ball joint assembly\u003c\/li\u003e\n\u003cli\u003eSteel construction with forged\/cast control arm design\u003c\/li\u003e\n\u003cli\u003eGreaseable and pre-greased for service-friendly maintenance\u003c\/li\u003e\n\u003cli\u003ePress-in ball joint with threaded stud\u003c\/li\u003e\n\u003cli\u003eIncludes bushings, dust boot, castle nut, cotter pin, and mounting hardware\u003c\/li\u003e\n\u003cli\u003ePainted finish with black control arm and black bushings\u003c\/li\u003e\n\u003cli\u003eImproved design grade for demanding chassis service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi Professional+ TC5379PX is engineered to reduce axial deflection under load, which helps maintain alignment and steering response in heavy-use suspension systems. The assembly includes a press-in ball joint, rubber bushings, a chloroprene rubber dust boot, and a grease fitting for ongoing serviceability. The TC5379PX part number is a direct fit for a wide range of Chevrolet and GMC full-size truck and van applications, including Chevrolet Silverado 1500 and GMC Sierra 1500 models.\u003c\/p\u003e\u003cp\u003eProfessional+ is Delphi’s chassis line for fleet and working vehicles. It focuses on durable materials, serviceable components, and extended part life to help reduce downtime in high-mileage use. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive front suspension play\u003c\/li\u003e\n\u003cli\u003eAlignment drift after wear in the upper control arm assembly\u003c\/li\u003e\n\u003cli\u003eSteering looseness caused by worn bushings or ball joint components\u003c\/li\u003e\n\u003cli\u003eNoise from deteriorated suspension joints and bushings\u003c\/li\u003e\n\u003cli\u003ePremature suspension wear in high-duty-use vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 1999-2006 Chevrolet Silverado 1500, front upper. Fits 2000-2006 Chevrolet Tahoe, front upper. Fits 2003-2014 Chevrolet Express 1500, front upper. Fits 1999-2006 GMC Sierra 1500, front upper. Fits 2000-2006 GMC Savana 1500, front upper. Fits 2003-2005 Chevrolet Express 2500, front upper. Fits 2003-2005 GMC Savana 2500, front upper.\u003c\/p\u003e\u003cp\u003eVerify the front upper position and steering configuration before installation. Because this assembly is greaseable, periodic lubrication can support longer service life. Professional alignment is recommended after replacement to confirm proper suspension geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi Professional+ chassis parts are built with premium materials for harsh road and weather exposure and are designed for serviceable, long-life operation in fleet and working vehicles.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":53526609592501,"sku":"BBMX-TC5379PX","price":104.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC5379PX_FRO.jpg?v=1792048246","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc5379px-suspension-control-arm-and-ball-joint-assembly-front-upper","provider":"PartCatalog","version":"1.0","type":"link"}