BRAND NEW GENUINE HOLSET TURBOCHARGER This is a BRAND NEW GENUINE HOLSET TURBOCHARGER. This is an exact, direct fit OEM replacement turbo. 53.91 mm, Exd. 78 mm, Trim 39, 7+7 Blades, Super Back Heat Shield: 3519302 (1152301340) Repair Kit: 4027964 Turbine Wheel: 3539805 Ind. 40.1 mm, Exd. 67.97 mm, 12 Blades(1153035436) Application: 2004- Bus with Cummins Echo 6, ISB Engine. Important Please use the above information to determine if the part(s) in this listing fit your vehicle. The most reliable way to make sure the model of turbo is finding the part number from the nameplate of your old turbo. We cannot be held responsible for turnaround times in these instances. The turbocharger has to be rebuilt to function. We will arrange to get you a replacement part if by mistake the wrong part is sent. Transit time does fluctuate depending on your location. Communication is very important to us and we will try our best to assist all of our customers. Questions are answered in the order they arrive and will be answered as quickly as possible.