This Caterpillar (Cat) 109-0072 or 1090072 40.64mm Inside Diameter Seal O-Ring is a high-quality replacement part for your heavy equipment. Made by the trusted brand CAT, it is compatible with Caterpillar equipment and designed to meet the demands of your toughest jobs. With a focus on durability and reliability, this seal o-ring offers superior performance and a long lifespan. It is a vital component for maintaining your equipment and ensuring smooth operations on the job site. Trust in the quality of CAT and invest in this essential part for your heavy equipment today.