Carquest Premium Fan Clutch - Electronic Fits select: 2002-2009 CHEVROLET TRAILBLAZER, 2002-2009 GMC ENVOY

Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.

CARQUEST Premium Fan Clutch Electronic fan clutch Direct OE replacement OE performance, fit and appearance Bolt Hole Quantity, Engine Side : 4 Fan Bolt Circle : 3.81 In Fan Mount Height : 1.54 In Heavy Duty : No Mounting Bolt Hole Size : 1.25 In Mounting Hardware Included : No O.E.M. Replacement : Yes Overall Diameter : 7.48 Overall Height : 5.69 In Pilot Depth : 0.76 In Pilot Shaft Diameter/Thread Size : 1.5 In Rotation : REV Shaft Nut Size : 1.42 In Thermostatic : No Thread Size : 1.5 In