BRAND NEW GENUINE HOLSET TURBOCHARGER This is a BRAND NEW GENUINE HOLSET TURBOCHARGER. Exact same part sold at the dealership. This is an exact, direct fit OEM replacement turbo. Fits the following:Part Number: 4043980 Interchangeable Number: 3538876, 4033409H, 4046398 OEM Number: 2834176, 2837188, 3538877, 3538878, 3538879, 3538880, 3539463, 3590254, 3592041, 3592201, 3597651, 3802880, 4033409, 4042810, 4043982, 4955695, 4955908 Turbo Model: HE351W Manufacturer: Holset Year: 1998- Engine: 6BTAA, ISB, ISDE6 Engine Manufacturer: Cummins Fuel: Diesel Back Plate: 3596448 (1154351300) Bearing Housing: 4042937 CHRA: 4032737 Compressor Wheel: 3599017 (Ind. 57.91 mm, Exd. 84.32 mm, 7+7 Blades, Super Back) Gasket (Turbine Outlet): 3535001 (3922789)(Inox Steel) Heat Shield: 3519302 (1152301340) Repair Kit: 4027448 (1153035751)(Minor) Turbine Housing A/R: VGT Turbine Wheel: 3595832 (Ind. 70.05 mm, Exd. 59.94 mm, 12 Blades) Application: 1998- Ford Truck with 6BTAA Engine 2008- Truck with Cummins ISDE6 Engine City Bus with Cummins ISB, ISDE6 Engine Houchin Aerospace with Cummins ISB Engine Motor Home with Cummins ISDE6 Engine Thomas Bus with Cummins 6BTAA 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.