Part is supplied according to CAT Part Number mentioned in this listing. The part may look different from picture due to part being sourced from different manufacturer but will be of same high quality. Its customer’s responsibility to check suitability of the advertised part for their machine before they make purchase. Suitability of part can also be checked by giving us their CAT Machine Serial Number so we can check if part is correct for customer’s machine. We accept return of goods if there is any manufacturing defect in the item. For all such cases buyers should contact us within 2 days of receiving the item . Refund will be given as money back as soon as the buyer ships the product and update us with the tracking details.