{"product_id":"dorman-621-106-engine-cooling-fan-blade","title":"Dorman 621-106 Engine Cooling Fan Blade","description":"\u003ch2\u003eOverview of Dorman Engine Cooling Fan Blade 621-106\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-106 engine cooling fan blade is designed as a standard replacement part for select Chevrolet and GMC heavy-duty trucks. Engineered with nine durable plastic blades and a 590 mm diameter, this cooling fan blade helps maintain optimal engine temperature under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 2500 HD, 3500, and GMC Sierra 2500 HD, 3500 models\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\u003c\/li\u003e\n\u003cli\u003eConstructed with nine plastic blades for efficient airflow\u003c\/li\u003e\n\u003cli\u003e590 mm blade diameter for proper fit and cooling capacity\u003c\/li\u003e\n\u003cli\u003eWhite finish for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-106 engine cooling fan blade features nine plastic blades arranged to optimize airflow through the radiator, helping to regulate engine temperature in heavy-duty Chevrolet Silverado and GMC Sierra trucks. With a blade diameter of 590 mm, this fan blade matches OEM specifications for proper fitment and performance. The white finish provides a protective coating to resist environmental wear. This part is designed as a standard replacement, ensuring dependable operation without the need for additional modifications. Note that mounting hardware is not included and should be reused from the original assembly or purchased separately.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine cooling fan blade is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD, 2500 HD Classic, 3500, 3500 Classic, and 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD, 2500 HD Classic, 3500, 3500 Classic, and 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use in engine cooling systems to maintain proper operating temperatures and prevent overheating during heavy-duty use.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Cooling Fan Blade\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverheating caused by damaged or worn fan blades\u003c\/li\u003e\n\u003cli\u003eReduced engine cooling efficiency due to cracked or broken blades\u003c\/li\u003e\n\u003cli\u003eExcessive engine temperature fluctuations during heavy load conditions\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from imbalanced or deteriorated fan blades\u003c\/li\u003e\n\u003cli\u003eReplacement of faded or corroded fan blades affecting airflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 621-106 engine cooling fan blade, ensure the mounting surface is clean and free of debris. Since mounting hardware is not included, inspect existing bolts and fasteners for wear and replace if necessary. Proper torque specifications should be followed to avoid damage or imbalance. It is recommended to check the fan clutch and motor condition during installation to ensure overall cooling system performance.\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, form, and function. The 621-106 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. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44029519134901,"sku":"BKKY-621-106","price":112.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_621106_Ang.jpg?v=1775009558","url":"https:\/\/www.partcatalog.com\/products\/dorman-621-106-engine-cooling-fan-blade","provider":"PartCatalog","version":"1.0","type":"link"}