A data plate is fitted to the compressor housing of your Holset turbocharger or actuator. The information on this data plate must be quoted for service and parts support.

(A) Assembly or Part Number
Holset Part/Assembly Number for the turbocharger is the number quoted in all Cummins Turbo Technologies publications and is the most useful number for service purposes.

(B) Serial Number
Holset Serial Number is unique to your turbocharger. This number can be used to identify which turbocharger you have although it will be a longer process than if quoting (A).

(C) Customer Part Number
Customer Part Number is the number given to the turbocharger by the engine manufacturer. This number will be quoted in all the engine manufacturers' literature. There may be more than one Customer Part Number for each Holset Part Number (A).

(D) Turbocharger Type
Turbocharger Type describes the model or frame size of your Holset turbocharger.