#India's Best industrial material dealers #India's top bearing dealers #bearing special offers #planttrees #savewater A compressor pulley is a device used to provide power to a pump from a motor. Commonly created from a cast iron or alloy metal, the compressor pulley also uses a spoke design from the center hub of the pulley to the outer ring that acts as a fan to cool the compressor pump Yes you can just replace the clutch pulley on the a/c compressor. The issue that you may have is the pulley bearing seized up and may have spun on the front of the compressor nose cone and will damage it