BRAND NEW GENUINE HOLSET TURBOCHARGERThis 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: 3533557 Interchangeable Number: 178370, 178370R, 3533558, 3538544, 353854500, 353854500H, 353854500HX, 3538545H, 3538545HX, 380371000, 380371000H, 380371000HX, 3803710H, 3803710HX, 3803710NX, 3803710RX, 478370 OEM Number: 3538545, 3803710 Turbo Model: HX50 Brand: Holset Engine: M11 Engine Manufacturer: Cummins Displacement: 11.0L Fuel: Diesel Power: 450 hp Speed: 1200-1800 rpm Angle α (Compressor Housing): 360° Angle β (Turbine Housing): 360° Back Plate: 3528096 (1153055300) Bearing Housing: 3533195 CHRA: 3580725 (3580725H) Compressor Housing: 3527932 (3527932H) Compressor Wheel: 3593686 (Ind. 67 mm, Exd. 99 mm, Trim 46, 7+7 Blades) Gasket (Oil Outlet): 311496, 210021 (148062, 311496) Gasket (Turbine Inlet): 409123-0002 (310694) Gasket Kit: 3545576 (1900100058) Heat Shield: 3529846/3533038 (1153055340) Repair Kit (Major): 3545997H Turbine Housing: 3533410 (3533410H) Turbine Wheel: 3531763 (Ind. 86.5 mm, Exd. 77 mm, 12 Blades) Turbocharger Kit: 3538545H/3538545HX Application: 1993-03 Freightliner Truck with Cummins M11 Engine 1993-03 Navistar Truck with Cummins M11 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.