{"product_id":"dorman-620-357-engine-cooling-fan-blade","title":"Dorman 620-357 Engine Cooling Fan Blade","description":"\u003ch2\u003eOverview of Dorman Engine Cooling Fan Blade 620-357\u003c\/h2\u003e\u003cp\u003eThe Dorman 620-357 engine cooling fan blade is designed specifically for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Engineered to maintain optimal engine temperature, this fan blade features a durable plastic construction with flexible blades to enhance airflow efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e9 blades with a 535 mm diameter for effective cooling\u003c\/li\u003e\n\u003cli\u003e2.5 mm blade thickness with forward align fin blade type\u003c\/li\u003e\n\u003cli\u003eBlack finish with flexible plastic blades for durability and performance\u003c\/li\u003e\n\u003cli\u003eSteel hub with 73 mm depth and 152 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCounterclockwise rotation and pusher airflow type\u003c\/li\u003e\n\u003cli\u003eMaximum operating speed of 3000 RPM\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade, part number 620-357\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 620-357 engine cooling fan blade is a direct replacement part designed to meet the cooling demands of heavy-duty Chevrolet and GMC vans, including the Express 2500, Express 3500, Savana 2500, and Savana 3500. Featuring nine forward align fin blades made from flexible plastic, this fan blade ensures efficient air movement to maintain engine temperature under various operating conditions. The black finish provides corrosion resistance, while the steel hub offers strength and stability with a 73 mm depth and a 152 mm bolt circle diameter for secure mounting. The fan blade rotates counterclockwise and operates as a pusher type, pushing air through the radiator to optimize cooling performance. This part is engineered to handle up to 3000 RPM, making it suitable for demanding engine environments.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged cooling fan blades on Chevrolet Express and GMC Savana vans\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine overheating issues caused by inefficient airflow\u003c\/li\u003e\n\u003cli\u003eAddresses vibration or noise problems due to cracked or unbalanced fan blades\u003c\/li\u003e\n\u003cli\u003eRestores proper engine cooling system function after blade failure\u003c\/li\u003e\n\u003cli\u003ePrevents potential engine damage from inadequate cooling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 before installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing bolts or acquire appropriate fasteners\u003c\/li\u003e\n\u003cli\u003eVerify correct counterclockwise rotation during installation for proper airflow\u003c\/li\u003e\n\u003cli\u003eInspect the hub and mounting surface for damage or debris before attaching the fan blade\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications to secure the fan blade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman engine cooling fan blades are manufactured to meet standard replacement grade requirements, ensuring reliable performance and durability. The 620-357 part undergoes quality control inspections to maintain consistent manufacturing standards. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44029394649269,"sku":"BKKY-620-357","price":79.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_620357_Fro.jpg?v=1775009434","url":"https:\/\/www.partcatalog.com\/products\/dorman-620-357-engine-cooling-fan-blade","provider":"PartCatalog","version":"1.0","type":"link"}