{"product_id":"dorman-621-111-engine-cooling-fan-blade","title":"Dorman 621-111 Engine Cooling Fan Blade","description":"\u003ch2\u003eOverview of Dorman Engine Cooling Fan Blade 621-111\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-111 engine cooling fan blade is designed for reliable cooling performance in heavy-duty Chevrolet and GMC trucks. This 7-blade, 20.5-inch diameter fan blade is a standard replacement part engineered to maintain optimal engine temperature in Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e7 durable plastic blades for efficient airflow\u003c\/li\u003e\n\u003cli\u003e20.5-inch blade diameter suitable for heavy-duty cooling needs\u003c\/li\u003e\n\u003cli\u003eWhite finish for corrosion resistance and easy inspection\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for dependable performance\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC heavy-duty truck models\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included, sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-111 engine cooling fan blade features seven plastic blades with a 20.5-inch diameter, designed to provide consistent airflow to the radiator and engine compartment. Its white finish helps resist corrosion and allows for quick visual checks during maintenance. This fan blade is a standard replacement part, engineered to meet the cooling requirements of heavy-duty Chevrolet and GMC trucks, including the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD. Please note that mounting hardware is not included with this fan blade and must be sourced separately.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Fan Blade\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverheating due to damaged or worn fan blades\u003c\/li\u003e\n\u003cli\u003eReduced engine cooling efficiency from cracked or broken blades\u003c\/li\u003e\n\u003cli\u003eExcessive engine noise caused by unbalanced fan blades\u003c\/li\u003e\n\u003cli\u003eCorrosion or wear compromising airflow performance\u003c\/li\u003e\n\u003cli\u003eReplacement of missing or bent fan blades after impact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 621-111 engine cooling fan blade, ensure the mounting surface is clean and free of debris. Since mounting hardware is not included, use the original hardware or compatible fasteners specified for your vehicle. Verify blade clearance to avoid contact with other engine components. Proper torque specifications should be followed to secure the fan blade safely. It is recommended to inspect the fan clutch and motor during installation to ensure overall cooling system functionality.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman engine cooling fan blades are manufactured to meet or exceed OEM standards for fit and function. The 621-111 part is a standard replacement grade component designed for durability and consistent performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44029519429813,"sku":"BKKY-621-111","price":116.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_621111_Ang.jpg?v=1775009559","url":"https:\/\/www.partcatalog.com\/products\/dorman-621-111-engine-cooling-fan-blade","provider":"PartCatalog","version":"1.0","type":"link"}