This LMM turbocharger incorporates all of the latest engineering updates and is backwards compatible with the LBZ and LLY engines. Includes Variable Geometry Turbocharger (VGT) control solenoid / actuator and vane position sensor. Turbocharger position sensor relearn procedure must be performed when the turbocharger is replaced. Application Caution: Vehicle model years may have more than one Duramax engine model (RPO). To ensure you’re ordering the correct turbocharger, the model year and engine model (RPO) must be known. To ensure the correct part is ordered, provide the vehicle VIN to Thoroughbred Diesel during checkout. Use on the LLY engine requires the use of a Vane Position Sensor (VPS) cable adapter, DT660029. Note: DTech GM 6.6L Duramax turbochargers are new. They are not remanufactured. There is no core fee. No core is required. Ordering Tip(s): The eighth character in the VIN will be a 2, 8, 9 or D.