Garrett 843703-0009 Turbocharger Assembly

The Garrett 843703-0009 is a GT35 frame size turbocharger assembly designed for Weichai WP10 series heavy-duty diesel engines meeting China V / Euro V emission standards. It utilizes an electronically controlled variable geometry turbine (VGT) actuator for precise boost pressure management across the operating range. The unit integrates a water-cooled center housing rotating assembly (CHRA) with oil lubrication. This turbocharger serves as original equipment for Weichai Power WP10 engines rated up to 375 kW (510 HP). Key manufacturing part numbers include Garrett 843703-0009, 843703-0005, 843703-5001S, 843703-5005S, 843703-5013S, 843703-5021S, and 843703-5003S. Weichai OEM cross-references include 1000336705 and 1000623397. The compressor and turbine wheel profiles are optimized for the WP10 displacement and torque curve. Aftermarket interchange references include JX-99 cartridge model.