Looking for an OEM Idler Pulley for your Caterpillar heavy equipment? Look no further than this genuine CAT Caterpillar Idler Pulley, with part number 253-4525 (2534525). Made in the United States, this pulley is specifically designed for use with Caterpillar machinery and is guaranteed to be of the highest quality. Trust in the CAT brand to provide you with the parts and accessories you need to keep your heavy equipment running smoothly.