Dorman 603-778 Non-Pressurized Coolant Reservoir

Restore your Cummins engine's factory function with the Dorman 603-778 Non-Pressurized Coolant Reservoir. Designed for optimal fit and performance, this reservoir is crafted from high-quality materials and rigorously tested to ensure reliability and longevity. With over a century of automotive expertise, Dorman delivers a dependable solution for maintaining your engine's cooling system. Trust the Dorman 603-778 for a perfect factory fit and exceptional performance.

Features:

• Direct factory fit and function
• Quality tested for reliable performance
• Built with premium materials for durability
• Backed by over 100 years of industry experience