Four Seasons 36966 Engine Cooling Fan Clutch

Reliable Engine Cooling Fan Clutch for Select Chevrolet and Ford Models

The Four Seasons Fan Clutch part number 36966 is designed to provide dependable engine cooling performance for vehicles like the Chevrolet Astro, Ford Ranger, and Mazda B2300. Crafted from durable aluminum, this standard duty fan clutch ensures efficient operation and helps maintain optimal engine temperature under various driving conditions.

Key Features of Four Seasons Fan Clutch 36966

• Constructed from lightweight, corrosion-resistant aluminum material
• Standard duty clutch type suitable for 5" and 6" import fan applications
• Flange mounting type with 4 bolt holes and M6 x 1.0 threaded holes
• Non-electronic, mechanical operation for consistent performance
• Meets or exceeds OEM specifications for reliable fit and function
• Compatible with Chevrolet Astro, Ford Ranger, Mazda B2300, GMC Safari, and Thunderbird models
• Overall diameter of 5.85 inches and height of 2.92 inches for precise fitment

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch line focuses on delivering engine cooling components engineered to meet OEM standards. This product line emphasizes durability and performance in standard duty applications, making it suitable for a range of import and domestic vehicles. The 36966 fan clutch is part of this line, offering a balance of quality materials and design to maintain proper fan engagement and engine temperature control.

Detailed Product Description

This engine cooling fan clutch features a flange mounting type with four bolt holes, designed for secure installation on compatible vehicles. The clutch has a maximum diameter of 5.85 inches and a mounting diameter of 2.56 inches, ensuring a precise fit. Its rotation is standard, and it operates mechanically without electronic components, which simplifies maintenance and replacement. The fan bolt circle measures 4.88 inches (124 mm), and the pilot depth is 0.75 inches, providing compatibility with specific fan assemblies. The raw aluminum color finish offers corrosion resistance and durability under engine bay conditions.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating fan engagement
• Reduces unnecessary fan drag to improve fuel efficiency
• Eliminates fan clutch slippage that can cause poor cooling
• Replaces worn or damaged fan clutches in Chevrolet, Ford, GMC, and Mazda vehicles
• Restores proper fan operation to maintain engine performance

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Mounting hardware is not included; use OEM or equivalent bolts (M6 x 1.0 thread)
• Check the fan blade and surrounding components for wear during replacement
• Torque bolts to manufacturer specifications to avoid damage
• Verify proper clutch rotation and engagement after installation

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36966 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. Manufactured with quality aluminum material and designed for standard duty use, it provides reliable engine cooling performance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.