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.NOTE: This turbocharger package also comes with the gaskets. Fits the following: Part Number: 4043577 Interchangeable Number: 4043580H, 495550000 OEM Number: 4043580, 4955500 Turbo Model: HX55WM Manufacturer: Holset Year: 2006- Engine: Pegasus, QSC8.3 Engine Manufacturer: Cummins Displacement: 8.3L Fuel: Diesel Angle α (Compressor Housing): 310° Angle β (Turbine Housing): 320° Back Plate: 3528096 (352809600)(1153055300, 1800016024) Bearing Housing: 3590231 (4039258, 3598984)(Oil Cooled) CHRA: 4030929 (4030929H, 4030929HX) Compressor Wheel: 3592939 (3592939H)(Ind. 70.24 mm, Exd. 101.39 mm, Trim 7+7 Blades, Super Back) Gasket (Oil Drain): 3519805H Gasket Kit: 3545575H Heat Shield: 3533038 (3529846, 353303800, 352984600)(1153055340) Repair Kit (Major): 3580762 (3580762H, 3575181, 358076200, 357518100)(1153055750, 5000020023) Split Ring Seal (Compressor): 3758848H Turbine Housing: Water Cooled Turbine Wheel: 3535983 (3535983H, 353598300)(Ind. 85.8 mm, Exd. 76.95 mm, Trim 12.85, 12 Blades)(1153055436) Turbocharger Kit: 4043580H Application: 2006- Marlin Marine with Cummins Pegasus, QSC8.3 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.