{"product_id":"dorman-cb90270rd-suspension-control-arm-and-ball-joint-assembly-front-left-upper-or-front-right-upper","title":"Dorman CB90270RD Suspension Control Arm and Ball Joint Assembly - Front Left Upper or Front Right Upper","description":"\u003ch2\u003eDorman RD Control Arm for Heavy-Duty Service\u003c\/h2\u003e\u003cp\u003eDorman RD CB90270RD is a front upper suspension control arm and ball joint assembly built for severe-duty use. It is engineered for demanding Chevrolet Suburban 2500, Silverado, GMC Sierra, Yukon XL, and Hummer H2 applications where front-end durability and consistent steering response matter.\u003c\/p\u003e\u003cp\u003eThe RD line stands for Rugged Duty, and this part line is built for vehicles that see towing, hauling, off-road work, and emergency-service duty. The CB90270RD combines a boxed steel control arm with a reinforced design, powder-coated finish, and corrosion-resistant components for long-term service in harsh conditions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number CB90270RD for front left upper or front right upper applications, depending on vehicle fitment\u003c\/li\u003e\n\u003cli\u003eRugged Duty line engineered for severe-duty suspension service\u003c\/li\u003e\n\u003cli\u003eBoxed steel control arm construction with reinforced design\u003c\/li\u003e\n\u003cli\u003eQuenched and tempered steel ball joint housing for added durability\u003c\/li\u003e\n\u003cli\u003ePowder-coated finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePre-greased joint with grease boot and molded-in standoffs where applicable\u003c\/li\u003e\n\u003cli\u003eIncludes castle nut, cotter pin, grease fitting, bushings, dust boot, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eClockwise (right) thread direction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman RD CB90270RD is a direct replacement suspension control arm and ball joint assembly for specified Chevrolet and GMC heavy-duty trucks and SUVs, including Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Suburban 2500, Yukon XL 2500, and Hummer H2 applications. This part is built for front upper suspension positions and is listed for both left and right side applications across the confirmed fitment range.\u003c\/p\u003e\u003cp\u003eThe RD chassis line uses a more durable ball joint housing material than standard normalized steel and adds a protective coating to help resist corrosion. The assembly is pre-greased where applicable, and the boot design helps retain lubrication during service. Dorman CB90270RD is a practical OE-style replacement when the original control arm is worn, damaged, or no longer holding alignment properly. This part cross-references MOOG Chassis Products CK620054 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end clunking or looseness from a worn upper control arm assembly\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by suspension play or alignment instability\u003c\/li\u003e\n\u003cli\u003eSteering wander or reduced road feel in heavy-duty trucks and SUVs\u003c\/li\u003e\n\u003cli\u003eBall joint wear from towing, hauling, or off-road service\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failure in severe-duty operating environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the exact position before ordering, since fitment varies by year, make, model, and side. This assembly is for front upper applications only and uses a threaded ball joint stud with clockwise (right) thread direction. Inspect related suspension components, fasteners, and alignment settings during installation, and perform a professional alignment after replacement.\u003c\/p\u003e\u003cp\u003eCompatible vehicle coverage includes 1999-2013 Chevrolet Silverado and Suburban 2500 applications, 2000-2013 GMC Yukon XL 2500 and Sierra heavy-duty applications, and select Hummer H2 front upper positions. Use the confirmed fitment list to match the correct side for your vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman RD parts are engineered for severe-duty service applications and built with corrosion-resistant materials and protective finishes to support long service life in demanding use. The CB90270RD is designed as a standard replacement suspension component for specified vehicles and applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52859189461173,"sku":"BKKY-CB90270RD","price":129.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_CB90270RD_FRO.jpg?v=1784872984","url":"https:\/\/www.partcatalog.com\/products\/dorman-cb90270rd-suspension-control-arm-and-ball-joint-assembly-front-left-upper-or-front-right-upper","provider":"PartCatalog","version":"1.0","type":"link"}