Fitment: 2004-2012 Chevrolet Colorado 2004-2012 GMC Canyon 2006 Isuzu i-280 2007-2008 Isuzu i-290 Specification: Adoption of Excellent Raw Materials---Can effectively prevent the surface heat deformation Powerful Fan Motor---Large air volume,Fast Heat Dissipation,Safer and More Stable DIRECT FIT & HIGH EFFICIENCY---OE standard for easy installation; Engine Cooling Fan Clutch undergo rigorous testing before leaving the factory and adopts a sealed design to ensure that the coolant will not leak The Function of a Cooling Fan: .