Komatsu 154-13-41123 Torque Converter Pump Pulley

Torque converter pump pulley engineered to OEM dimensions for Komatsu bulldozer transmission systems. Component transmits engine power to torque converter pump via drive belt. Manufactured from high-strength cast iron with precision-machined V-groove profile ensuring consistent belt traction and minimal vibration under high-torque operating conditions. Corrosion-resistant surface treatment provides extended service life in harsh construction environments. Direct replacement for Komatsu part numbers 154-13-41123 and 1541341123. Compatible with turbine shaft and stator assemblies in D85A-18 (S/N 25001-UP), D85P-18 (S/N 2001-UP), D85E-18 (S/N 25001-UP) and Shantui SD22, SD16, SD32 bulldozers.