Four Seasons 36777 Engine Cooling Fan Clutch

Thermal Fan Clutch for Suzuki and Chevrolet

Four Seasons 36777 is a standard-duty thermal engine cooling fan clutch built with an aluminum body and standard rotation for direct-fit cooling system service. It is a non-electronic, flange-mount fan clutch with a 6.65-inch maximum diameter and OE-style dimensions for select Suzuki and Chevrolet applications.

Compatible With 1996-2006 Suzuki Sidekick, XL-7, Grand Vitara, and Vitara, plus 1999-2004 Chevrolet Tracker applications, Four Seasons 36777 supports thermal fan engagement for engine cooling control. This part cross-references Monroe Shocks & Struts 271354 for the same application.

Key Features

• Four Seasons Fan Clutch, part number 36777
• Thermal, standard-duty design
• Standard rotation, non-electronic operation
• Aluminum construction with raw aluminum finish
• Flange mounting style with 4 bolt holes and 4 mounting holes
• 6.65-inch clutch maximum diameter and 6.03-inch fan bolt circle
• Meets or exceeds OEM requirements
• Performance rated for cooling system service

Product Details

This Four Seasons Fan Clutch is engineered for vehicles that use a 5-inch or 6-inch import-style thermal clutch layout. The 36777 features a 2.6-inch mount diameter, 0.63-inch pilot diameter, and 0.88-inch pilot depth, with M6 x 1.0 threaded holes and a 2.25-inch distance from clutch to mounting flange. Its standard rotation and thermal response help regulate fan engagement based on operating temperature, supporting consistent engine cooling performance in everyday driving and demanding conditions.

Fits 2004-2006 Suzuki XL-7, N/A; Fits 2002-2003 Suzuki XL-7, N/A; Fits 1999-2005 Suzuki Grand Vitara, N/A; Fits 1999-2004 Chevrolet Tracker, N/A; Fits 1999-2004 Suzuki Vitara, N/A; Fits 1996-1998 Suzuki Sidekick, N/A.

What It Helps Address

• Engine overheating caused by a worn fan clutch
• Fan engagement that is delayed, weak, or inconsistent
• Excessive fan noise from a failing thermal clutch
• Cooling performance loss in stop-and-go driving
• Temperature control issues in Suzuki and Chevrolet cooling systems

Installation Notes and Tips

Verify the fan bolt circle, pilot dimensions, mounting flange style, and rotation before installation. This clutch uses 4 bolt holes and 4 mounting holes, and mounting hardware is not included. Confirm the vehicle’s cooling fan setup and match the thermal, standard-duty configuration to the original application before service.

Quality Assurance

Four Seasons 36777 is a new, performance-rated fan clutch that meets or exceeds OEM specifications for the listed applications. Four Seasons is a recognized aftermarket source for cooling system components, and this part is built for direct replacement service in select Suzuki and Chevrolet models.