Four Seasons 36999 Engine Cooling Fan Clutch

Reliable Engine Cooling for Cadillac Vehicles

The Four Seasons Fan Clutch 36999 is designed to provide dependable engine cooling for select Cadillac models. Engineered with heavy-duty aluminum construction, this fan clutch ensures consistent performance under demanding conditions, making it suitable for vehicles like the Cadillac DeVille, Eldorado, Fleetwood, Seville, and Commercial Chassis.

• Heavy-duty aluminum material for durability
• Flange mounting type with 4 bolt holes (5/16-18 thread)
• Non-electronic, standard rotation design
• Clutch maximum diameter of 7.2 inches and overall height of 3.95 inches
• Compatible with Cadillac DeVille, Eldorado, Fleetwood, Seville, and Commercial Chassis
• Meets or exceeds OEM specifications
• New, performance-rated fan clutch

Four Seasons Fan Clutch Product Line Overview

The Four Seasons Fan Clutch product line focuses on delivering reliable engine cooling components designed for heavy-duty use. This line includes fan clutches that are engineered to meet or exceed original equipment manufacturer (OEM) standards, ensuring proper fit and function. The Fan Clutch 36999 is part of this line, offering a flange mounting type and a robust aluminum construction tailored for Cadillac vehicles requiring heavy-duty cooling solutions.

Detailed Product Description

The Four Seasons Fan Clutch 36999 features a raw aluminum finish and a flange mounting type with four bolt holes, each threaded 5/16-18, providing secure attachment to the engine cooling system. With a clutch maximum diameter of 7.2 inches and an overall height of 3.95 inches (100.4 mm), this non-electronic clutch operates with standard rotation. The distance from the clutch to the mounting flange is 2.25 inches, and the fan bolt circle measures 3.25 inches (82.6 mm). Designed for heavy-duty use, this clutch is performance rated and meets or exceeds OEM requirements, ensuring reliable operation in Cadillac DeVille, Eldorado, Fleetwood, Seville, and Commercial Chassis models.

Common Applications and Problem Solving

• Restores proper engine cooling in Cadillac DeVille and Eldorado models
• Replaces worn or failing fan clutches causing overheating
• Improves cooling efficiency in Fleetwood and Seville vehicles
• Addresses heavy-duty cooling needs in Cadillac Commercial Chassis
• Eliminates fan clutch slippage and noise issues

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the flange mounting holes. Ensure the mounting hardware is compatible, as this product does not include bolts. Verify the bolt thread size (5/16-18) and torque specifications according to the vehicle service manual. The non-electronic design simplifies installation without the need for electrical connections. Proper installation will maintain optimal fan operation and engine cooling performance.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36999 is a new, performance-rated component that meets or exceeds OEM standards for fit and function. Manufactured with heavy-duty aluminum, it is built to withstand demanding engine cooling conditions. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.