Four Seasons 36900 Engine Cooling Fan Clutch

Reliable Cooling with Four Seasons Fan Clutch 36900

The Four Seasons Fan Clutch 36900 is engineered to maintain optimal engine temperature for Chevrolet and GMC vehicles. Designed specifically for models like the Astro, S10, S10 Blazer, S15, S15 Jimmy, Safari, and Sonoma, this engine cooling fan clutch ensures consistent performance under standard driving conditions.

• Constructed from durable aluminum for long-lasting use
• Standard use type suitable for everyday driving
• Raw aluminum color with a flange mounting type
• Four bolt holes with M6 x 1.0 thread for secure installation
• Non-electronic clutch with reverse rotation
• Clutch maximum diameter approximately 5.65 inches
• Compatible with 5" and 6" import fan sizes (Clutch Type A)
• Meets or exceeds OEM specifications
• Performance rated for reliable engine cooling

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch line focuses on delivering dependable engine cooling components designed to meet OEM standards. This product line emphasizes quality materials and precise fitment, ensuring compatibility with a range of Chevrolet and GMC vehicles. The 36900 part number is part of this line, offering a non-electronic, flange-mounted fan clutch that supports proper fan operation and engine temperature regulation.

Detailed Product Description

The Four Seasons Fan Clutch 36900 features a robust aluminum construction that provides strength and heat resistance. It is designed with four mounting holes and bolts, each with an M6 x 1.0 thread, allowing for a secure flange-type installation. The clutch operates with reverse rotation and is compatible with fan bolt circles measuring approximately 5.03 inches (127.8 mm). With an overall diameter of 5.65 inches and a height of 2.69 inches, this clutch fits Chevrolet and GMC models requiring a 5" or 6" import fan clutch type A. The non-electronic design simplifies maintenance and reduces potential electrical issues.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating fan engagement
• Reduces unnecessary fan drag for improved fuel efficiency
• Eliminates fan clutch slippage that can cause poor cooling
• Replaces worn or damaged fan clutches in Chevrolet Astro and GMC Safari vehicles
• Restores proper fan operation in S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models

Installation Notes and Tips

Ensure the mounting flange and bolt holes align correctly with the vehicle’s fan assembly. Use the specified M6 x 1.0 bolts for secure attachment; note that mounting hardware is not included. Verify the clutch rotation direction matches the engine requirements (reverse rotation). Proper torque specifications should be followed to avoid damage to the clutch or mounting flange.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36900 is a new, performance-rated part that meets or exceeds OEM standards for durability and function. Manufactured with precision aluminum components, it is designed to provide reliable engine cooling performance. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards to ensure customer satisfaction and part longevity.