Four Seasons 36961 Engine Cooling Fan Clutch

Reliable Engine Cooling with Four Seasons Fan Clutch 36961

The Four Seasons Fan Clutch 36961 is engineered for severe duty applications, providing dependable engine cooling performance. Constructed from durable aluminum, this non-electronic fan clutch is designed to meet or exceed OEM specifications, ensuring compatibility and reliability for heavy-duty trucks and vehicles requiring robust cooling solutions.

• Material: Aluminum construction for durability and heat resistance
• Severe duty use type suitable for truck fan drives
• Non-electronic clutch type for straightforward operation
• Four bolt holes and mounting holes with 3/8-16 thread size
• Maximum clutch diameter of 6.45 inches and overall height of 4.58 inches
• Flange mounting type with precise mounting and pilot dimensions
• Performance rated and meets or exceeds OEM standards

Four Seasons Fan Clutch Product Line Overview

The Four Seasons Fan Clutch product line focuses on delivering reliable engine cooling components designed for severe duty and truck fan drive applications. This line emphasizes durability and performance, using quality materials like aluminum to withstand demanding operating conditions. The 36961 model fits within this line as a flange-mounted, non-electronic clutch engineered to maintain optimal engine temperatures under heavy load.

Technical Specifications and Features

The Four Seasons Fan Clutch 36961 features a raw aluminum finish and a standard rotation direction. It includes four bolt holes and mounting holes, each with a 3/8-16 thread size, ensuring secure attachment. The clutch has a maximum diameter of 6.45 inches (163.8 mm) and an overall height of 4.58 inches (116.3 mm). The distance from the clutch to the mounting flange is approximately 2.12 to 2.13 inches, with a pilot diameter of 0.75 inches and a pilot depth of 0.66 inches. The fan bolt circle measures 3.81 inches (96.8 mm), and the mount diameter is 3.22 inches (82 mm). This part is new and performance rated, designed specifically for severe duty use in truck fan drives.

Common Applications and Problem Solving

• Replaces worn or failing engine cooling fan clutches in heavy-duty trucks
• Addresses overheating issues caused by inefficient fan clutch operation
• Improves engine temperature regulation under severe driving conditions
• Eliminates fan clutch slippage that reduces cooling efficiency
• Restores proper fan engagement for optimal engine performance

Installation Notes and Tips

When installing the Four Seasons Fan Clutch 36961, ensure the mounting flange and bolt holes align precisely with the vehicle’s fan drive assembly. Use the correct 3/8-16 bolts (not included) to secure the clutch firmly. Verify the rotation direction matches the engine’s fan rotation to avoid premature wear. It is recommended to inspect the fan blades and surrounding components for damage or wear during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

This Four Seasons Fan Clutch 36961 is a new, performance-rated part that meets or exceeds OEM standards for severe duty applications. Manufactured with high-quality aluminum and engineered for durability, it provides reliable operation in demanding environments. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards to ensure customer satisfaction and long-term performance.