Cummins 5458389 Turbocharger Kit Assembly

The 5458389 turbocharger kit is a genuine Cummins Holset HE400VG variable geometry turbocharger assembly designed for EPA10 compliant ISC 8.3L and ISL 8.9L diesel engines. The unit integrates an electronic VGT actuator for precise boost control across operating ranges. It serves as a direct replacement for Holset HE431VE and HE400VG model turbochargers used in heavy-duty truck and bus applications. Key technical attributes include a compressor wheel optimized for 8.3L and 8.9L displacement airflow requirements and a turbine housing configured for high exhaust gas temperature durability. The kit includes the complete rotating assembly (CHRA), actuator, and necessary installation gaskets. Cross-reference interchangeability covers Cummins service part numbers 2836425 through 2839446 series, 3768166, 3773516, 3795883 series, 4956120, 2841295, 3768186, 3795912, 5456050, 3768161, 3773512, 3795879, 5354664, 4956133, and 2841289. Remanufactured variants are identified by RX suffix (5458389RX, 4352561RX). Professional installation with calibrated actuator programming is required.