{"product_id":"dorman-621-321-engine-cooling-fan-blade","title":"Dorman 621-321 Engine Cooling Fan Blade","description":"\u003ch2\u003eReliable Engine Cooling Fan Blade for Chevrolet, GMC, and Hummer\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-321 engine cooling fan blade is designed to maintain optimal engine temperature for Chevrolet Canyon, Colorado, GMC Canyon, and Hummer H3 and H3T models. This replacement fan blade ensures consistent airflow and cooling performance to support your vehicle's engine efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e8 durable plastic blades for effective airflow\u003c\/li\u003e\n\u003cli\u003e19.25-inch blade diameter suitable for specified vehicle models\u003c\/li\u003e\n\u003cli\u003eWhite finish for corrosion resistance and easy inspection\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included, allowing use with existing components\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Canyon, Colorado, GMC Canyon, and Hummer H3, H3T\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 621-321 engine cooling fan blade features eight plastic blades with a 19.25-inch diameter, engineered to provide balanced airflow and maintain engine temperature within manufacturer specifications. The white finish offers protection against environmental factors, helping to extend the service life of the fan blade. This standard replacement part is designed to meet OEM fit and function requirements for Chevrolet, GMC, and Hummer vehicles, specifically the Canyon, Colorado, H3, and H3T models. Note that mounting hardware is not included, so existing fasteners should be reused or sourced separately.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces damaged or cracked fan blades causing engine overheating\u003c\/li\u003e\n\u003cli\u003eRestores proper cooling fan operation to prevent engine performance issues\u003c\/li\u003e\n\u003cli\u003eAddresses imbalance or vibration caused by worn or broken blades\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent engine temperature under heavy load or high ambient heat\u003c\/li\u003e\n\u003cli\u003ePrevents potential engine damage due to insufficient cooling airflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your Chevrolet Canyon, Colorado, GMC Canyon, or Hummer H3\/H3T model. Since mounting hardware is not included, inspect existing fasteners for wear or damage and replace if necessary. Ensure the fan blade is properly aligned and securely fastened to avoid imbalance or noise during operation. Follow vehicle manufacturer torque specifications when tightening fasteners.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman provides a standard replacement grade engine cooling fan blade designed to meet OEM specifications for fit and function. The 621-321 part number undergoes quality checks to ensure durability and performance. Warranty coverage details can be obtained from Dorman directly or through authorized distributors.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44029540139189,"sku":"BKKY-621-321","price":125.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_621321_Ang.jpg?v=1775009578","url":"https:\/\/www.partcatalog.com\/products\/dorman-621-321-engine-cooling-fan-blade","provider":"PartCatalog","version":"1.0","type":"link"}