Is your Sprinter down on power, is the turbo lagging? Are you getting under boost codes (check engine lights) but the turbo is not damaged or having any other issues. It may be your electronic actuator. Our Electronic Actuator Gearbox replacement kit is the perfect solution. Simple and easy to install once the turbo is in front of you. Quality made, not imitation imported parts, and makes a great addition to your CHRA purchase to cover all bases when dealing with a potential turbo failure. No need to reprogram turbo!