Core group (CHRA) tight. Center Housing Rotating Assembly. Colloquially, it is the heart of the turbocharger Purchasing and replacing the core assembly (CHRA) is much cheaper than purchasing a new turbocharger. The effect remains the same provided that the materials, quality and balancing are as in the OEM product. We attach great importance to the quality and preparation of our product so that it meets even the most demanding customers. If you are not sure that you are purchasing the right fuselage group for your vehicle, please contact us by phone or email. C-CLASS, CLS, E-CLASS, G-CLASS, GL-CLASS, GLK-CLASS, R-CLASS, SPRINTER, VITO 140 KW / 190 HP, 155 kW / 211 HP, 160 kW / 218 HP, 165 kW / 224 HP, 170 kW / 231 HP, 185 KW / 252 HP, 190 KW / 258 HP, 195 KW / 265 HP PLEASE COMPARE YOUR TU.