Replacement CHRA for the BorgWarner AirWerks S200SX turbocharger 177258 BorgWarner AirWerks S200SX CHRA - 176639 For Turbocharger 177258 Original BorgWarner AirWerks Center Housing Rotating Assembly Center housing rotating assemblies serve as replacement parts in case of damage or if you desire a combination with compressor housing and turbine housing that is not available for direct ordering. Center housing rotating assemblies are the core components of the turbocharger and consist of the bearing housing with all internal components, the turbine wheel, and the compressor wheel. To install the compressor housing, you will need the corresponding installation kit or V-band clamp. Both can usually be reused during a repair. For the turbine housing, you will also need the installation kit, which should be replaced during a repair. If the turbine housing has a wastegate flap, a pressure diaphragm and the appropriate mounting plate will be required as well. Fits Turbocharger: BorgWarner 177258 Turbine Wheel Exducer: 61.43mm Compressor Wheel Inducer: 45.9mm Compressor Wheel Exducer: 69.57mm