Holset 3593410 Turbocharger CHRA Cartridge

The Holset 3593410 is a Center Housing Rotating Assembly (CHRA) designed for the HX30W series turbochargers with fixed geometry (MR). It utilizes a K18 rotor configuration and is oil-cooled. This core assembly serves as a direct replacement for the turbocharger core on Cummins 4BT, 4BTAA, and 4BTA 3.9L diesel engines. The unit is engineered to OEM specifications for balance and durability. It interfaces with compressor and turbine housings not included in this assembly. Primary OEM cross-references include Cummins 3580234, 3592121, 3592015, 4032115, 4032374, and 3537034. Applications span construction machinery including Komatsu excavators, Case 9010B, 9020B, RP110, and Broderson rough terrain cranes equipped with Cummins B-series engines.