Pressurized Coolant Reservoir Dorman 603-383 Radiator Repair Part for Specific Buick / Chevrolet Models Engine coolant reservoir designed for durability and reliability Helps maintain optimal engine temperature by storing and supplying coolant Constructed from highquality materials to resist cracking and leaking Easy to install, ensuring a hasslefree replacement process Compatible with various vehicle makes and models for versatile use Manufacturer part number 603-383 Compatible cars Buick 2017-12, Chevrolet 2016-10 Vehicle make 603383 Vehicle model 603383 Automotive radiator repair part & hardware type Pressurized Coolant Reservoir Vehicle type Car Vehicle fitment type Specific Material highquality materials Brand Dorman Automotive parts division Direct Replacement Color Multicolor Weight 1.09 lb Pieces 1