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Shiyan Mingqi Industry and Trade Co., Ltd
CN
Dongfeng Tianlong KL Euro VI–Compliant Coolant Expansion Tank (Secondary) – Models 1311010-TL450 & 1311010-TL220
Dongfeng Tianlong KL series heavy-duty commercial vehicles—fully compliant with stringent Euro VI emission standards—feature high-performance, factory-fitted secondary coolant expansion tanks specifically engineered for optimal thermal management and long-term reliability under demanding operating conditions. These precision-engineered expansion tanks, designated under part numbers 1311010-TL450 and 1311010-TL220, are integral components of the vehicle’s advanced cooling system architecture, designed to accommodate coolant volume fluctuations caused by thermal expansion while maintaining consistent system pressure and preventing air ingress. Each tank is constructed from durable, corrosion-resistant polyethylene with reinforced mounting flanges, integrated level sensors, and calibrated overflow/vent ports to ensure stable coolant circulation, reduced maintenance intervals, and enhanced engine longevity. The TL450 variant offers a larger 4.5-liter capacity suited for extended-haul or hi

Dongfeng Tianlong KL Euro VI–compliant secondary coolant expansion tanks, models 1311010-TL450 and 1311010-TL220.









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