Four Seasons 46049 Engine Cooling Fan Clutch

Reliable Engine Cooling Fan Clutch for Chevrolet and GMC Vehicles

The Four Seasons Fan Clutch 46049 is engineered to provide dependable cooling performance for select Chevrolet, GMC, Isuzu, and Saab models. Designed for severe duty applications, this aluminum fan clutch helps maintain optimal engine temperature under demanding conditions.

• Constructed from durable aluminum material
• Severe duty (D-type) clutch designed for truck fan drives
• Non-electronic, mechanical operation for consistent performance
• Four mounting and bolt holes with M8 x 1.25 thread size
• Compatible with Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and Saab 9-7x
• Maximum clutch diameter of 7.4 inches and overall height of 4.27 inches
• Meets or exceeds OEM specifications for reliable fit and function

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch line focuses on engine cooling components designed to withstand severe operating conditions. This product line includes fan clutches that are performance rated and built to meet or exceed original equipment manufacturer standards. The 46049 model exemplifies this with its robust aluminum construction and precise mounting specifications, making it suitable for heavy-duty applications in trucks and SUVs.

Detailed Product Description and Specifications

The Four Seasons Fan Clutch 46049 features a raw aluminum finish and a hex mounting type, ensuring a secure and precise installation. It has four bolt holes and mounting holes, each with an M8 x 1.25 thread, facilitating compatibility with specific vehicle fan assemblies. The clutch has a maximum diameter of 7.4 inches (188 mm) and an overall height of 4.27 inches (108.3 mm), with a pilot depth of 0.77 inches (19.3 mm) and pilot diameter of 1.18 inches (30 mm). This non-electronic clutch operates on a reverse rotation basis and is designed for severe duty use, making it ideal for truck fan drives and heavy-duty cooling needs.

Compatible Vehicles and Common Applications

• Chevrolet Trailblazer and Trailblazer EXT
• GMC Envoy and Envoy XL
• Isuzu Ascender
• Saab 9-7x

This fan clutch is suitable for owners seeking a reliable replacement part to address cooling system issues in these models.

Common Issues Addressed by This Fan Clutch

• Overheating due to worn or failing fan clutch
• Excessive engine noise from slipping clutch
• Poor engine cooling performance under severe conditions
• Reduced fuel efficiency caused by fan drag
• Inconsistent fan engagement affecting engine temperature regulation

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the four mounting holes. Use appropriate tools for the M8 x 1.25 bolt threads and ensure the hex mounting type is securely fastened. Note that mounting hardware is not included with this part. Verify rotation direction (reverse) before installation to match vehicle specifications. It is recommended to inspect the fan blades and surrounding components during installation for any additional wear or damage.

Quality Assurance and Warranty Information

The Four Seasons Fan Clutch 46049 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. Manufactured with high-quality aluminum and designed for severe duty use, this fan clutch offers reliable operation in demanding environments. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.