Four Seasons 46050 Engine Cooling Fan Clutch

Reliable Engine Cooling with Four Seasons Fan Clutch 46050

The Four Seasons Fan Clutch 46050 is engineered for severe duty applications, providing dependable engine cooling performance. Designed with durable aluminum construction, this fan clutch is suitable for heavy-duty trucks and vehicles requiring robust cooling solutions.

• Constructed from raw aluminum for strength and heat resistance
• Severe duty D-type clutch designed for truck fan drives
• Four mounting and bolt holes with M8 x 1.25 thread size
• Non-electronic, mechanical operation for reliable performance
• Overall diameter of 7.4 inches (188 mm) and height of 4.59 inches (116.6 mm)

Four Seasons Fan Clutch Product Line Overview

The Four Seasons Fan Clutch line focuses on engine cooling fan clutches designed to meet or exceed OEM specifications. This product line emphasizes durability and performance in severe duty environments, making it a suitable choice for truck and heavy vehicle applications. The 46050 part number is part of this line, offering a non-electronic, mechanical clutch option that supports reliable fan operation under demanding conditions.

Technical Specifications and Features

The Four Seasons 46050 fan clutch features a 4-bolt hex mounting type with a bolt circle diameter of 3.81 inches (96.8 mm). The clutch has a maximum diameter of 7.4 inches and a mounting diameter of 1.86 inches (47 mm). The distance from the clutch to the mounting flange is 2.08 inches, with a pilot diameter of 1.42 inches and a pilot depth of 0.88 inches. This clutch rotates in a reverse direction and is designed specifically for severe duty use, making it ideal for truck fan drives requiring consistent cooling performance.

Common Applications and Problem Solving

• Replaces worn or failing engine cooling fan clutches in heavy-duty trucks
• Addresses overheating issues caused by inefficient fan engagement
• Improves engine temperature regulation under severe operating conditions
• Eliminates fan clutch slippage that reduces cooling efficiency
• Restores proper fan operation to prevent engine damage from heat buildup

Installation Notes and Tips

Ensure compatibility with your vehicle’s fan bolt circle and mounting specifications before installation. The Four Seasons 46050 requires four M8 x 1.25 bolts (not included) for secure mounting. Proper torque specifications should be followed to avoid damage to the clutch or mounting flange. This fan clutch is designed for reverse rotation, so verify fan blade orientation accordingly. It is recommended to inspect the cooling system and fan blades during installation to ensure optimal performance.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 46050 is a new, performance-rated part that meets or exceeds OEM standards for severe duty applications. Manufactured with high-quality aluminum and precision engineering, it is built to provide reliable cooling fan operation. While specific warranty details are not provided, Four Seasons products typically come with manufacturer-backed quality assurance to support durability and fitment.