This listing is for an CP3 high pressure fuel pump assembly pulled from a 2011 Freightliner B2 Bus Chassis. If your part number differs or you do not know what it is, use VIN provided in listing photos to contact the dealer to verify fitment. All of our parts have been tested and are in working condition unless otherwise stated! Please keep in mind that almost all of our parts are used, and we do our best to clean them, however some items may require a little further cleaning once received. Thanks for looking at our listing. We are looking forward to getting you fixed up and in tip top shape. We have collectively almost 70 years experience in the automotive industry and look forward supplying you with whatever needs you have. We will go above and beyond to solve any problems you may encounter.