Heavy Duty Replacement Part

This replacement coolant reservoir is engineered as a direct-fit solution for Peterbilt 579 models from 2020 and compatible with select Kenworth T680 and T880 trucks manufactured between 2013 and 2021. Constructed from durable injection-molded plastic, this reservoir delivers reliable performance in demanding heavy-duty trucking applications while maintaining compatibility with Behr cooling modules. The reservoir measures 23 1/4 inches in length by 19 inches in width, with a total capacity of 7 liters. It features 3/8-inch diameter inlet and outlet connections measuring 1 3/8 inches in length, ensuring proper fitment and fluid flow management. This component is designed to replace OEM part number DR104002, providing a cost-effective alternative without compromising quality or functionality. Included with this replacement unit are the integrated coolant level sensor and reservoir cap, eliminating the need for separate purchases and simplifying installation. The sensor provides real-time monitoring of coolant levels, allowing operators and maintenance personnel to identify potential issues before they impact cooling system performance. The included cap ensures a secure seal that prevents contamination and fluid loss during operation. The heavy-duty plastic construction resists corrosion and thermal stress, extending service life across varied operating conditions. This reservoir is sold individually and represents an economical maintenance solution for fleet operators and service facilities managing Peterbilt 579 and compatible Kenworth models requiring coolant system repairs or preventive maintenance.