Holset 3539162 Turbocharger HX50

The Holset 3539162 is a fixed geometry turbocharger from the HX50 model series, manufactured by Cummins Turbo Technologies under the Holset brand. It serves as a direct OEM replacement for Scania part number 1395478 and Cummins part number 4033385. This unit is engineered for Scania DSI9 series diesel engines found in heavy duty commercial vehicles and marine patrol boats. The turbocharger features a robust compressor and turbine wheel assembly designed for high boost pressure ratios and durability in demanding operating cycles. It utilizes oil and water cooling for thermal management and incorporates a fixed geometry turbine housing for simplified reliability. Cross references include 3539163, 5457888, and 1395477.