WORK Turbochargers

Audi S4

Audi S4 Twin Turbo

WORK offers premium rebuilding services for all years of the S4 twin turbo, utilizing all new center cartridge assemblies to ensure factory performance combined with the most reliable service possible. 


All Of Our K03/04 Rebuilds Consist Of The Following:

  • Turbocharger model, BorgWarner K03/K04
  • Full disassembly and consultation with you on the cause of failure
  • State of the art ultra-sonic cleaning of all parts
  • NEW Bearing Housing
  • NEW Turbine Wheel
  • NEW Compressor Wheel
  • NEW Severe Duty 360° 7 pad thrust bearing
  • HP stagger gap turbine side seal ring
  • Re-calibration of wastegate actuators, matched to .25 psi of opening pressure
  • Clean room assembly of the turbocharger
  • Final QC check to ensure a trouble free installation
  • All gaskets are included, along with a detailed installation tips
  • 1 year warranty standard, lifetime warranty optional
  • Price is $1050 for the pair of serviceable units.

Performance upgrades available, contact us for details