GMB 925-2170 Engine Cooling Fan Clutch

Engine Cooling Fan Clutch for Ford Trucks

The GMB 925-2170 is a thermal engine cooling fan clutch built to meet or exceed OEM specifications. It is an OEM standard replacement with an aluminum construction for dependable cooling fan control in select Ford truck and van applications.

• Thermal fan clutch design for temperature-responsive fan engagement
• OEM standard item grade for direct replacement service
• Aluminum construction
• New condition replacement part
• Standard duty application for select Ford F-150, F-250, F-350, and Econoline models

Detailed Product Overview

This GMB engine cooling fan clutch, part number 925-2170, is engineered for vehicles that use a counter clockwise (reverse) rotation fan setup. It is listed for 1992-1997 Ford applications including F-150, F-250, F-350, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon. For Ford F-150 and Ford F-250/F-350 applications, the fitment notes also call out a 40mm hex nut and 33mm pilot.

This thermal fan clutch helps regulate fan engagement based on operating temperature, supporting consistent engine cooling performance in demanding driving conditions. The GMB 925-2170 is a practical OE-style replacement for drivers servicing cooling system wear on Ford truck and van platforms.

This part cross-references Four Seasons 36940 for the same application.

What It Helps Address

• Fan clutch wear that can reduce cooling fan response
• Engine temperature rise during idle or low-speed operation
• Cooling fan noise caused by a failing clutch
• Inconsistent fan engagement on thermal clutch systems
• Replacement needs on reverse-rotation Ford cooling setups

Installation Notes and Tips

Verify counter clockwise (reverse) rotation, thermal clutch type, and the correct pilot and hex nut specifications before installation. Confirm vehicle application by year, make, model, and cooling fan configuration for Ford F-150, Ford F-250, Ford F-350, and compatible Econoline models. Inspect the fan, pulley area, and surrounding cooling components during service to ensure proper operation after replacement.

Quality Assurance

GMB states this part is manufactured to meet or exceed OEM specifications. The OEM standard grade and new-condition construction support direct replacement use in the listed Ford applications.