Dongfeng 1205510-T39H0 Urea Tank Assembly

This urea tank assembly serves as the DEF storage and supply reservoir for the Tianlan selective catalytic reduction (SCR) system on Dongfeng Tianjin Euro IV commercial vehicles. The assembly integrates the tank body, level/temperature sensor module, suction tube, and heating circuit interface. The tank body is manufactured from high-density polyethylene (HDPE) resistant to urea crystallization and thermal cycling. The integrated sensor provides real-time fluid level, temperature, and quality data to the DCU. The heating circuit utilizes engine coolant circulation via internal heat exchanger coils to prevent DEF freezing in cold climates, supplemented by electric heating elements in the pump module. Designed for direct OEM fitment on Dongfeng Tianjin series trucks equipped with Cummins or Dongfeng proprietary engines meeting China IV emission standards.