{"product_id":"four-seasons-36977-engine-cooling-fan-clutch","title":"Four Seasons 36977 Engine Cooling Fan Clutch","description":"\u003ch2\u003eReliable Engine Cooling Fan Clutch for Chevrolet and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Fan Clutch 36977 is designed to provide dependable engine cooling performance for select Chevrolet and GMC models. Engineered with durable aluminum construction, this standard duty fan clutch ensures efficient operation and compatibility with your vehicle's cooling system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eStandard duty, non-electronic fan clutch with 4 bolt holes for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Astro, S10, S10 Blazer, S15, S15 Jimmy, Safari, and GMC Sonoma\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications for reliable fit and function\u003c\/li\u003e\n\u003cli\u003eFlange mounting type with M10 x 1.5 threaded bolt holes\u003c\/li\u003e\n\u003cli\u003eMaximum clutch diameter of 7.2 inches and overall height of 3.8 inches\u003c\/li\u003e\n\u003cli\u003eNon-thermal and standard thermal clutch type for versatile cooling needs\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 delivering engine cooling components that meet OEM standards for fit, form, and function. This product line includes both thermal and non-thermal clutches designed to regulate fan speed based on engine temperature, helping maintain optimal engine operating temperatures. The 36977 model is part of this line, offering a standard duty, flange-mounted fan clutch suitable for various Chevrolet and GMC trucks and SUVs.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Fan Clutch 36977 features a raw aluminum finish and a flange mounting type with four bolt holes, each threaded M10 x 1.5, ensuring a secure and precise fit. The clutch has a maximum diameter of 7.2 inches and an overall height of 3.8 inches (96.5 mm), with a distance of 2.25 inches from the clutch to the mounting flange. This non-electronic clutch operates with reverse rotation and is designed for standard use, making it suitable for maintaining proper engine cooling in your Chevrolet Astro, S10, S10 Blazer, S15, S15 Jimmy, Safari, or GMC Sonoma. Note that mounting hardware is not included.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine overheating by regulating fan engagement\u003c\/li\u003e\n\u003cli\u003eReduces unnecessary fan drag to improve fuel efficiency\u003c\/li\u003e\n\u003cli\u003eEliminates noisy or failing fan clutch symptoms\u003c\/li\u003e\n\u003cli\u003eRestores proper cooling system function in Chevrolet and GMC trucks\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged fan clutches to maintain engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the mounting surface is clean and free of debris before installation. Use the correct M10 x 1.5 bolts (not included) to secure the fan clutch to the flange mount. Verify the clutch rotation direction matches your vehicle’s specifications (reverse rotation). It is recommended to inspect the fan blades and surrounding components during installation to ensure proper alignment and clearance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThis Four Seasons Fan Clutch 36977 is a new, performance-rated part that meets or exceeds OEM standards for durability and reliability. Manufactured with precision aluminum components, it is designed to provide consistent cooling performance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44597033107637,"sku":"BBRN-36977","price":49.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_36977_Fro_60c63747-8bf9-4a1f-89d6-37643d1aec69.jpg?v=1775068055","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-36977-engine-cooling-fan-clutch","provider":"PartCatalog","version":"1.0","type":"link"}