Four Seasons 36963 Engine Cooling Fan Clutch

Overview of Four Seasons Fan Clutch 36963

The Four Seasons Fan Clutch 36963 is engineered for severe duty applications, designed to maintain optimal engine temperature in Ford trucks and vans. This new, non-electronic thermal fan clutch is compatible with Ford E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-250, and F-350 models.

• Constructed from durable aluminum material
• Severe duty thermal clutch type (D-type)
• 6 bolt holes with 5/16-18 thread size
• Maximum clutch diameter of 7.4 inches (188 mm)
• Mounting type: Hex with 6 mounting holes
• Non-electronic, standard rotation design
• Meets or exceeds OEM specifications
• Overall height of 3.52 inches (89.3 mm)
• New, performance-rated component

Four Seasons Fan Clutch Product Line Details

The Four Seasons Fan Clutch product line focuses on reliable engine cooling solutions for severe duty and truck fan drives. This line includes thermal fan clutches designed to regulate fan engagement based on engine temperature, improving cooling efficiency and engine performance. The 36963 model is part of this line, offering a robust aluminum construction and precise fitment for Ford trucks and vans requiring a D-type severe duty clutch.

Detailed Product Description

The Four Seasons Fan Clutch 36963 is a thermal, non-electronic fan clutch designed to engage the cooling fan only when necessary, reducing engine load and improving fuel efficiency. Its aluminum construction ensures durability under severe operating conditions. The clutch features a 7.4-inch diameter and a 1.2-inch distance from clutch to mounting flange, with six bolt holes for secure installation. The hex mounting type and 5/16-18 bolt thread size provide compatibility with specified Ford models. This clutch is performance rated and meets or exceeds OEM standards, making it suitable for heavy-duty applications in Ford E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-250, and F-350 vehicles.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating fan engagement
• Reduces unnecessary fan drag to improve fuel economy
• Eliminates fan clutch slippage or failure in severe duty conditions
• Restores proper cooling system function in Ford trucks and vans
• Addresses noisy or stuck fan clutch problems

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the six mounting bolts with the hex mounting type. Note that mounting hardware is not included with this part. Ensure the clutch is securely fastened to avoid vibration or misalignment. This fan clutch is designed for standard rotation, so verify rotation direction before installation. It is recommended to inspect the cooling fan and related components during installation for optimal performance.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36963 is a new, performance-rated component that meets or exceeds OEM specifications for durability and reliability. Manufactured with high-quality aluminum and designed for severe duty use, this fan clutch is backed by Four Seasons' quality standards. Warranty details should be confirmed with the point of purchase or manufacturer documentation.