OEM REMANUFACTURED BORGWARNER TURBOCHARGERThis is a OEM REMANUFACTURED BORGWARNER 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. NOTE: There is a core charge of $300 which has been included in the price, it means if you DO NOT have or will not send us the original part, we will not refund the core charge. You will be charged at the time of purchase and will be fully refunded once your old re-build able core is received. Cores must be returned within 60 days of the purchase date. Please allow up to 3 business days for us to process your refund. Fits the following:Part Number: 474825Interchangeable Number: 173526, 173527, 174825OEM Number: 631GC5172AM5, 631GC5172AM5X, 631GC5172AM6, 631GC5172AM6X, 631GC5172BM5, 631GC5172BM5X, 631GC5172BM6, 631GC5172BM6X, 631GC5172M5, 631GC5172M5X, 631GC5172M6, 631GC5172M6XTurbo Model: S300A113Manufacturer: BorgWarner - 3K - Schwitzer, BWTS USAYear: 2002-07Engine: E7 12L, E7-350, E7-400, EM7-335, EM7-370Displacement: 12.0LFuel: DieselBearing Housing: 174150CHRA: 174849Compressor Housing: 174814Compressor Wheel: 14871232003 (1487-123-2003)Gasket Kit: 318417Overhaul Kit: 318394Turbine Housing: 177366Turbine Wheel: 173314Application:2002-07 Mack Truck with E7 12L 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.