GMB 930-2270 Engine Cooling Fan Clutch

Engine Cooling Control for Select GM Applications

GMB 930-2270 is a thermal engine cooling fan clutch built to meet or exceed OEM specifications. It is an OEM standard replacement with an aluminum construction and reverse-rotation operation for select Chevrolet Colorado, GMC Canyon, Hummer H3, H3T, and Isuzu truck applications.

Key Features

• Thermal fan clutch design for temperature-responsive cooling fan engagement
• OEM standard item grade for direct replacement use
• Aluminum construction
• New condition replacement part
• Counter clockwise (reverse) rotation application
• Severe duty notes on select fitments

Detailed Product Overview

This GMB engine cooling fan clutch is engineered for vehicles that rely on a thermal clutch to regulate fan speed based on engine temperature. The 930-2270 is listed for 2004-2012 Chevrolet Colorado and GMC Canyon models, along with 2006-2010 Hummer H3, 2009-2010 Hummer H3T, and select Isuzu i-350 and i-370 applications. It also fits 1996-1999 Chevrolet P30 and GMC P3500 chassis applications. This part cross-references Hayden 2787 for the same application.

Use GMB 930-2270 when you need a direct-fit cooling fan clutch for reverse-rotation systems that require thermal engagement. It is manufactured to align with OEM-level specifications for fit and function in the listed applications.

Common Reasons to Replace

• Cooling fan stays engaged longer than normal
• Engine temperature runs higher than expected in stop-and-go driving
• Fan clutch noise increases during operation
• Reduced airflow through the radiator at low vehicle speed
• Cooling performance drops on severe-duty use

Installation Notes and Fitment

Fits 2004-2012 Chevrolet Colorado, thermal fan clutch; counter clockwise (reverse) rotation; severe duty on select applications. Fits 2004-2012 GMC Canyon, thermal fan clutch; counter clockwise (reverse) rotation; severe duty on select applications. Fits 2006-2010 Hummer H3, thermal fan clutch; counter clockwise (reverse) rotation; severe duty on select applications. Fits 2009-2010 Hummer H3T, thermal fan clutch; counter clockwise (reverse) rotation; severe duty. Fits 2007-2008 Isuzu i-370, thermal fan clutch; counter clockwise (reverse) rotation; severe duty. Fits 2006 Isuzu i-350, thermal fan clutch; counter clockwise (reverse) rotation; severe duty. Fits 1996-1999 Chevrolet P30, thermal fan clutch; counter clockwise (reverse) rotation; severe duty. Fits 1996-1999 GMC P3500, thermal fan clutch; counter clockwise (reverse) rotation; severe duty.

Verify reverse-rotation fan direction and thermal clutch application before installation. Confirm the vehicle’s year, make, model, and cooling system configuration against the listed fitment for Chevrolet Colorado, GMC Canyon, and related GM platforms.

Quality Assurance

GMB states that this part is manufactured to meet or exceed OEM specifications. The 930-2270 is an OEM standard replacement designed for new installation in the listed applications.