Description:Cat pulleys are designed and tested to deliver the quality you expect from your equipment. Cat pulleys are used to transfer torque from the crankshaft to the engine components via belts. Cat pulleys are grooved between the flanges around its circumference to support belt drive systems. Attributes:Assembly includes seal, idler pulley assembly, spacer, dust cover and standard metric hardwareApplication:Cat idler pulleys are used to support engine belt drives around the various engine components, such as tensioner assembly and mounting assembly. Consult your owner’s manual or contact your local Cat Dealer for more information.