Holset 3533000 HX40 Turbocharger Assembly

The Holset 3533000 is a model HX40 turbocharger designed for Cummins 6CT, 6CTA, and 6CT-94C series 8.3L diesel engines rated up to 215 HP. This unit features a twin-scroll turbine housing with a 19 cm T4 inlet flange and a 10-blade compressor wheel. It serves as a direct OEM replacement for Freightliner trucks equipped with the C Series engine and Dongfeng Cummins 6C Tier 2 applications. The assembly includes the center housing rotating assembly (CHRA) compatible with Holset service part 3597311. Key cross-references include Holset part numbers 3537557, 3537558, 3537559, 3539265, and Cummins OEM numbers 3802577 and 2882059. The turbocharger utilizes a wastegated turbine housing configuration for boost control.