{"product_id":"dorman-ia90289rd-steering-idler-arm-and-bracket-assembly","title":"Dorman IA90289RD Steering Idler Arm and Bracket Assembly","description":"\u003ch2\u003eDorman RD Steering Idler Arm Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman RD - Rugged Duty IA90289RD steering idler arm and bracket assembly is built for direct replacement on heavy-duty Chevrolet Silverado and GMC Sierra applications. It matches original fit and function to help restore stable steering response, including on 2011-2025 Chevrolet Silverado 2500 HD and Silverado 3500 HD models, as well as 2011-2025 GMC Sierra 2500 HD and Sierra 3500 HD trucks.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement steering idler arm and bracket assembly for select Chevrolet Silverado and GMC Sierra trucks\u003c\/li\u003e\n\u003cli\u003eSteel construction with a coated black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePre-greased design with grease fitting included for serviceability\u003c\/li\u003e\n\u003cli\u003eTapered arm attachment for OE-style steering linkage connection\u003c\/li\u003e\n\u003cli\u003eCastle nut, cotter pin, ball joint, and bracket stud included in the assembly\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for restoring steering geometry and linkage support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBuilt for heavy-duty steering systems, the Dorman RD IA90289RD is engineered to match the fit, function, and performance of the original idler arm assembly. It is a practical replacement for worn steering linkage components on Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD trucks, with additional coverage for 2011-2018 Silverado 2500 and 2011-2013 and 2015-2018 Silverado 3500 applications. The steel body, bent shape, and coated finish support long-term durability, while the pre-greased design helps simplify maintenance. This part cross-references MOOG Chassis Products K400018 and Delphi TA5584 for the same application. The IA90289RD part number is also useful when searching for a direct-fit steering idler arm and bracket assembly for HD truck steering repair.\u003c\/p\u003e\u003ch2\u003eCommon Steering Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive steering play or looseness in the front steering linkage\u003c\/li\u003e\n\u003cli\u003eUneven or wandering steering feel during highway driving\u003c\/li\u003e\n\u003cli\u003eClunking or movement from a worn idler arm assembly\u003c\/li\u003e\n\u003cli\u003eReduced steering stability caused by worn bracket support\u003c\/li\u003e\n\u003cli\u003eService issues related to a damaged or dry steering pivot point\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle year, make, and model before installation. This assembly uses a tapered arm attachment and a 16 mm arm stud thread diameter, with a 20 mm bracket stud thread diameter and a 20.45 mm mounting hole diameter. The IA90289RD is a direct-fit steering replacement for the listed Chevrolet Silverado and GMC Sierra applications, and the included grease fitting supports routine lubrication after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman RD - Rugged Duty focuses on replacement parts built to match original fit and function for demanding truck applications. IA90289RD is a standard replacement steering idler arm and bracket assembly designed for specific Chevrolet Silverado and GMC Sierra HD fitments.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52734137991349,"sku":"BKKY-IA90289RD","price":116.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_IA90289RD_Fro.jpg?v=1782283165","url":"https:\/\/www.partcatalog.com\/products\/dorman-ia90289rd-steering-idler-arm-and-bracket-assembly","provider":"PartCatalog","version":"1.0","type":"link"}