The Industrial Injection XR1-series turbocharger is a 63mm HE351 unit specified for 2004.5–2007 5.9L Cummins engines. Offered as a direct turbocharger service or upgrade option for these Cummins applications, the XR1 provides the compressor and turbine hardware intended to replace or refresh turbocharging on compatible 5.9L setups. The listing identifies engine years and displacement for correct selection.
Industrial Injection 04.5-07 5.9L Cummins 63mm HE351 XR1 Series Turbocharger