The BorgWarner turbocharger CHRA for Audi RS K04 is a direct‑replacement cartridge (center housing rotating assembly) intended for K04‑series turbo applications on Audi RS variants. It provides the rotating core required when rebuilding or replacing the turbocharger cartridge to restore forced‑induction operation for the specified K04 application. Sold as the CHRA unit to service the turbo core.
BorgWarner Turbocharger SX Audi RS K04 CHRA