Four Seasons 36754 Engine Cooling Fan Clutch

Reliable Engine Cooling Fan Clutch for Chevrolet and GMC Trucks

The Four Seasons Fan Clutch 36754 is engineered to provide dependable cooling performance for severe duty applications. Designed specifically for Chevrolet and GMC models such as the C1500, K2500, and Yukon, this engine cooling fan clutch ensures optimal temperature regulation under demanding conditions.

• Constructed from durable aluminum for long-lasting use
• Severe duty D-type clutch designed for truck fan drives
• Non-electronic, flange mounting type with 4 bolt holes (M8 x 1.25 thread)
• Maximum clutch diameter of 7.4 inches and overall height of 4.27 inches
• Compatible with Chevrolet and GMC models including C1500, C2500, K1500, Tahoe, and Yukon
• Meets or exceeds OEM specifications for reliable fit and function

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch line focuses on providing severe duty cooling fan clutches designed to handle the rigorous demands of truck and heavy-duty vehicle applications. This product line emphasizes durability and performance, making it suitable for vehicles that require consistent engine cooling under high stress. The 36754 model is part of this line, offering a flange mounting type clutch that supports reliable fan operation in Chevrolet and GMC trucks.

Product Details and Specifications

This engine cooling fan clutch features a raw aluminum finish and is built for severe use cases. It has a 4-bolt flange mounting system with M8 x 1.25 threaded holes, ensuring secure attachment to the fan assembly. The clutch has a maximum diameter of 7.4 inches (188 mm) and an overall height of 4.27 inches (108.3 mm), with a pilot depth of 0.66 inches (16.5 mm). The clutch type is classified as D - severe duty, suitable for truck fan drives requiring robust performance. This non-electronic clutch rotates in reverse direction and includes a 3.81 inch (96.8 mm) fan bolt circle diameter. Mount diameter measures 2.82 inches (72 mm). Mounting hardware is not included.

Compatible Vehicles and Applications

• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• Chevrolet Express 2500, Express 3500
• GMC Savana 2500, Savana 3500
• Chevrolet Tahoe and GMC Yukon

Common Issues Addressed by This Fan Clutch

• Overheating due to fan clutch failure or slipping
• Reduced engine cooling efficiency in severe duty conditions
• Excessive fan noise caused by worn or malfunctioning clutch
• Inconsistent fan engagement leading to engine temperature fluctuations
• Premature wear of cooling system components due to improper fan operation

Installation Notes and Tips

Ensure the mounting surface is clean and free of debris before installation. This fan clutch requires a flange mounting type with 4 bolts (M8 x 1.25 thread). Mounting hardware is not included and must be sourced separately. Verify the clutch rotation direction matches the vehicle’s fan rotation (reverse rotation). Proper torque specifications should be followed to avoid damage to the clutch or mounting flange. It is recommended to inspect the fan blades and surrounding components during installation for any signs of wear or damage.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36754 is a new, performance-rated part that meets or exceeds OEM standards for fit, form, and function. Manufactured from high-quality aluminum, it is designed for severe duty applications in Chevrolet and GMC trucks. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.