Four Seasons 36729 Engine Cooling Fan Clutch

Overview of Four Seasons Fan Clutch 36729

The Four Seasons Fan Clutch 36729 is engineered to provide reliable engine cooling performance for a range of GM and Isuzu vehicles. Designed with durable aluminum construction and a standard use type, this engine cooling fan clutch ensures consistent operation in demanding conditions.

• Constructed from lightweight, corrosion-resistant aluminum
• Standard use type suitable for everyday driving conditions
• Raw aluminum color with a 4-bolt mounting design
• Compatible with multiple GM and Isuzu models including Chevrolet Silverado and GMC Sierra
• Non-electronic, B-type clutch with both non-thermal and standard thermal options
• Meets or exceeds OEM specifications for reliable fit and function
• Performance rated for effective engine temperature management

Detailed Product Features and Specifications

This Four Seasons Fan Clutch 36729 features a 5.99-inch maximum clutch diameter and a 1.75-inch distance from clutch to mounting flange, ensuring proper alignment and fitment. The clutch rotates in a reverse direction and mounts using a hex type with four M10 x 1.5 threaded bolt holes. The fan bolt circle measures 3.25 inches (82.6 mm), and the overall diameter is 152.1 mm (5.99 inches) with a height of 3.31 inches (84.3 mm). The pilot diameter is 1.18 inches (30 mm) with a depth of 0.7 inches (17.8 mm). This new, non-electronic fan clutch is designed to replace worn or failing units on vehicles such as the Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, and Isuzu Hombre.

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch product line focuses on delivering dependable engine cooling components that meet or exceed OEM standards. This line includes both thermal and non-thermal fan clutches designed for a variety of applications, providing precise temperature regulation and improved engine efficiency. The 36729 model is part of this line, offering a balance of durability and performance for standard use in light trucks and SUVs.

Common Applications and Problem Solving

• Replaces failing or seized fan clutches causing engine overheating
• Addresses excessive fan noise due to worn clutch bearings
• Improves engine cooling efficiency in Chevrolet Silverado and GMC Sierra models
• Restores proper fan engagement on Cadillac Escalade and Isuzu Hombre vehicles
• Prevents premature engine wear caused by inadequate cooling

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the four mounting bolts with M10 x 1.5 threads. Note that mounting hardware is not included and must be sourced separately. Ensure the clutch is mounted with the correct orientation, paying attention to the 1.75-inch distance from clutch to mounting flange for proper fit. Use appropriate torque specifications to avoid damage to the hex mounting type. This fan clutch is compatible with a range of GM and Isuzu models, so verify vehicle fitment before installation.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36729 is a new, performance-rated component that meets or exceeds OEM quality standards. Manufactured with precision aluminum materials, it is designed for durability and consistent operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.