{"product_id":"dorman-527-397-suspension-control-arm-front-left-upper","title":"Dorman 527-397 Suspension Control Arm - Front Left Upper","description":"\u003ch2\u003eDorman 527-397 Front Left Upper Control Arm\u003c\/h2\u003e\u003cp\u003eDorman 527-397 is a standard replacement suspension control arm for the front left upper position on select Chevrolet and GMC trucks, vans, and motorhome\/chassis applications. It is precision-engineered and tested to replace the original equipment control arm on specific vehicles with the correct geometry and mounting style.\u003c\/p\u003e\u003cp\u003eBuilt from steel with a casting\/forged construction and a powder-coated black finish, this control arm is made for direct replacement service on vehicles such as the Chevrolet C20, Chevrolet P30, GMC C2500, and GMC P3500. The Dorman 527-397 control arm is listed without a ball joint, bushings, or mounting hardware.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFront left upper suspension control arm\u003c\/li\u003e\n\u003cli\u003eSteel construction with casting\/forged design\u003c\/li\u003e\n\u003cli\u003ePowder-coated black finish for added surface protection\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for OE-style service\u003c\/li\u003e\n\u003cli\u003eBall joint mounting type: bolt-in\u003c\/li\u003e\n\u003cli\u003eRubber bushing material with black bushings\u003c\/li\u003e\n\u003cli\u003eNot pre-greased and no grease fitting included\u003c\/li\u003e\n\u003cli\u003eCompatible with select Chevrolet and GMC applications from 1971-2002\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis suspension control arm is designed for vehicles that need a direct OE-style front left upper arm replacement without a ball joint installed. It uses a straight shape, threaded ball joint stud type, and rubber bushings with a 14.3 mm inside diameter and 39.6 mm outside diameter. The Dorman 527-397 is a practical replacement for worn or damaged upper control arms on Chevrolet and GMC platforms, including Chevrolet P20, Chevrolet G30, GMC G3500, and GMC C3500 applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references MOOG Chassis Products RK622888 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive front-end looseness or wandering\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn suspension geometry\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from a damaged upper control arm\u003c\/li\u003e\n\u003cli\u003eFailed or deteriorated control arm bushings\u003c\/li\u003e\n\u003cli\u003eRestoring alignment stability after suspension wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle year, make, model, and front left upper position before ordering. This part is listed for applications without a ball joint, so transfer or source the correct ball joint separately if required by the vehicle setup. Confirm whether your Chevrolet or GMC application is equipped with heavy-duty suspension, heavy-duty air suspension, or motorhome chassis equipment, since those notes affect fitment.\u003c\/p\u003e\u003cp\u003eProfessional installation and a post-repair alignment are recommended after replacement. Inspect related suspension components, including bushings, steering linkage, and mounting points, before final assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman states this control arm is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment part on specific vehicles. It is built as a standard replacement component for consistent fit and service on confirmed applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52756080132277,"sku":"BKKY-527-397","price":76.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_527397_Ang.jpg?v=1782972309","url":"https:\/\/www.partcatalog.com\/products\/dorman-527-397-suspension-control-arm-front-left-upper","provider":"PartCatalog","version":"1.0","type":"link"}