The DORMAN pressurized coolant reservoir is expertly crafted from high-quality plastic and strength even in harsh conditions. Designed specifically for International vehicles, it offers a perfect fit and optimum performance. The clear view design enables easy monitoring of coolant levels at a glance. Engineered for optimal thermal transfer, it maintains consistent engine temperatures, while precision manufacturing ensures reliable performance in both high and low-pressure environments. This reservoir stands as a precise solution for maintaining coolant levels efficiently.