Dorman OE Solutions Engine Coolant Reservoir Pressurized with Durable Design for 2016-2019 Buick and Chevrolet 603-383

Engine coolant reservoir for 2016-2019 Buick and Chevrolet by Dorman OE Solutions to replace worn or failing factory reservoirs.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Manufactured from quality materials to withstand underhood heat and engine vibration.
• Engineered to match the fit and function of the original part.
• Pressurized reservoir design ensures proper coolant pressure.
• Trustworthy design backed by 100 years of automotive aftermarket experience.

Benefits

• Maintains engine cooling system integrity for safe operating temperatures.
• Reduces risk of leaks and overheating during daily driving.
• Easy to install as a direct-fit replacement.
• Provides long-lasting performance under harsh conditions.
• Increases confidence in aftermarket part reliability.

Application

This part is ideal for vehicle owners needing a replacement coolant reservoir after failure or wear, ensuring proper engine temperature control during daily driving.

Fitment Notes

• 2016-2019 Buick and Chevrolet models.

Why Choose Dorman - OE Solutions?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 1 PC

Item Dimensions

• 8.2in x 6.5in x 8.8in, 1.5lbs