Holset 3104766 Turbocharger Assembly

The Holset 3104766 turbocharger assembly (Garrett models GTA5523BS, GT4702, HX82 frame) is designed for Cummins 15.0L QSX15, ISX15, X15, QSK15, and ISZ13 diesel engines. It features a variable geometry turbine (VGT) mechanism with integrated electronic actuator for precise boost control across the operating range. The unit utilizes a water-cooled, oil-lubricated center housing rotating assembly (CHRA) with dual ball bearing and thrust bearing system. Compressor wheel is forged milled aluminum; turbine wheel is Inconel investment casting rated for high exhaust gas temperatures. Direct replacement for Cummins OEM part numbers 3104766, 4951982, 3104454, 3104769, 4955241, 4955240, 3594222, and 4042846. Applications include heavy-duty mining trucks, hydraulic excavators, agricultural tractors (Case IH STX series), and stationary industrial generator sets.