Belt Tensioner 4316726 for Cummins Diesel Engine. Application Model: for Cummins Diesel Engine. Please double check the photos and part number in the link if it is same with your original part. Please pay for your item immediately after order. If the item you receive is broken or there are other issues that make you dissatisfied. Please give us the opportunity to solve the problems and will do our best to solve them. We are very grateful. We will strive to correct the errors and satisfy you. All messages will be answered within. Thank you for your business!