{"product_id":"four-seasons-46145-engine-cooling-fan-clutch","title":"Four Seasons 46145 Engine Cooling Fan Clutch","description":"\u003ch2\u003eReliable Thermal Fan Clutch for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Fan Clutch 46145 is engineered for severe duty applications, providing dependable engine cooling for heavy-duty Chevrolet and GMC trucks. Designed to maintain optimal engine temperature, this thermal fan clutch supports reliable performance in demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSevere duty thermal fan clutch design\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 2500, Express 3500, GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500 HD, and more\u003c\/li\u003e\n\u003cli\u003eClutch maximum diameter of 7.23 inches for efficient cooling\u003c\/li\u003e\n\u003cli\u003eOne bolt hole and one mounting hole for secure installation\u003c\/li\u003e\n\u003cli\u003eOverall height of 4.81 inches (121.4 mm) ensures proper fitment\u003c\/li\u003e\n\u003cli\u003eIncludes four bolts for mounting\u003c\/li\u003e\n\u003cli\u003eFan bolt circle diameter of 3.25 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Fan Clutch Product Line Overview\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Fan Clutch line focuses on thermal fan clutches designed to regulate engine temperature by engaging and disengaging the fan based on heat levels. This helps improve fuel efficiency and reduces unnecessary fan wear. The 46145 model is part of this line, built specifically for severe use in heavy-duty trucks, ensuring consistent cooling performance under high load conditions.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis engine cooling fan clutch features a thermal design that activates based on engine temperature, helping to maintain optimal operating conditions. With a clutch maximum diameter of 7.23 inches and an overall diameter of 184.15 mm, it fits precisely on compatible Chevrolet and GMC models. The single bolt hole and mounting hole configuration, along with four included bolts, provide a secure and straightforward installation. The overall height of 4.81 inches (121.4 mm) ensures compatibility with the fan assemblies on Express, Savana, Sierra, and Silverado heavy-duty trucks.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine overheating during heavy towing or hauling\u003c\/li\u003e\n\u003cli\u003eReduces fan noise and wear by engaging only when needed\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by minimizing unnecessary fan operation\u003c\/li\u003e\n\u003cli\u003eReplaces worn or failing fan clutches in Chevrolet and GMC trucks\u003c\/li\u003e\n\u003cli\u003eMaintains proper engine temperature in severe duty conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before beginning installation. Verify that the mounting surfaces are clean and free of debris. Use the included four bolts to secure the fan clutch, tightening to manufacturer torque specifications. Confirm the clutch engages and disengages properly by monitoring engine temperature during initial operation. This part is compatible with Chevrolet Express 2500, Express 3500, GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500 HD, and related models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures this fan clutch to meet or exceed OEM specifications for durability and performance in severe duty environments. The thermal clutch design ensures reliable operation under high engine loads. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599960895669,"sku":"BBRN-46145","price":112.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_46145_Ang.jpg?v=1775068492","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-46145-engine-cooling-fan-clutch","provider":"PartCatalog","version":"1.0","type":"link"}