Four Seasons 46018 Engine Cooling Fan Clutch

Reliable Engine Cooling Fan Clutch for Chevrolet and GMC Trucks

The Four Seasons Fan Clutch 46018 is engineered to provide dependable cooling performance for heavy-duty Chevrolet and GMC vehicles. Designed specifically for severe duty applications, 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 suitable for truck fan drives
• Non-electronic design for straightforward operation
• Four bolt holes with M10 x 1.5 thread for secure mounting
• Compatible with multiple Chevrolet and GMC models including Silverado 2500 HD and Sierra 3500

Four Seasons Fan Clutch Product Line Overview

The Four Seasons Fan Clutch line focuses on providing reliable engine cooling components designed for severe duty and truck fan drive applications. This product line emphasizes durability and performance, meeting or exceeding OEM specifications to maintain proper engine temperature and prevent overheating in demanding environments.

Detailed Product Description and Specifications

The Four Seasons Fan Clutch 46018 features a raw aluminum finish and a robust design tailored for severe use. It has a clutch maximum diameter of 6.45 inches and an overall diameter of 163.8 mm, with a mounting flange distance of 1.75 inches. The clutch uses a hex mounting type with four bolt holes, each threaded M10 x 1.5, ensuring a secure fit. This non-electronic fan clutch rotates in reverse and is performance rated to meet the needs of heavy-duty Chevrolet and GMC trucks. The pilot depth measures 0.7 inches, and the pilot diameter is 1.18 inches, providing precise alignment during installation.

Compatible Vehicles and Common Applications

• Chevrolet Silverado 1500, 2500 HD, 3500, and Classic models
• GMC Sierra 2500 HD, 3500, and Classic models
• Chevrolet Avalanche 2500 and Suburban 2500
• GMC Yukon XL 2500
• Chevrolet Express 3500 and GMC Savana 3500

Issues Addressed by the Four Seasons Fan Clutch 46018

• Overheating due to inefficient fan engagement
• Excessive engine noise from worn or failing fan clutches
• Reduced engine performance caused by improper cooling
• Premature wear of cooling system components
• Increased fuel consumption from fan drag

Installation Notes and Tips

Ensure the mounting surface is clean and free of debris before installation. Use the specified M10 x 1.5 bolts (not included) to secure the clutch firmly. Verify the clutch rotation direction matches the engine requirements (reverse rotation). It is recommended to inspect the fan blades and surrounding components for damage during installation to maintain optimal cooling system performance.

Quality Assurance and Warranty Information

The Four Seasons Fan Clutch 46018 is a new, performance-rated part that meets or exceeds OEM standards for durability and function. Manufactured with high-quality aluminum and designed for severe duty use, this fan clutch supports reliable engine cooling in demanding applications. Warranty coverage details should be confirmed with the product provider or manufacturer.