Dorman - OE Solutions Engine Coolant Reservoir Pressurized with Trustworthy Design for 2025-2017 Buick Cadillac GMC and 2025-2016 Chevrolet 603-861

Engine Coolant Reservoir for 2025-2017 Buick Cadillac GMC and 2025-2016 Chevrolet by Dorman - OE Solutions used to replace the factory reservoir.

Manufactured from quality materials to withstand underhood heat and engine vibration, it matches the fit and function of the factory part.

Key Features

• Pressurized design for optimal coolant flow
• Engine Coolant Reservoir
• Matches OEM fit and function
• Manufactured from quality materials to withstand heat and vibration
• Trustworthy design backed by 100 years of aftermarket experience

Benefits

• Ensures consistent coolant pressure for engine cooling
• Reduces risk of leaks or overheating
• Easy to install with OEM fitment
• Extends engine longevity by maintaining proper coolant levels
• Provides reliable performance under high temperatures

Application

This part is ideal for owners of 2025-2017 Buick, Cadillac, GMC models and 2025-2016 Chevrolet who need a durable replacement reservoir to keep their engines cool during daily driving or heavy‑duty use.

Fitment Notes

• 2025-2017 Buick
• 2025-2017 Cadillac
• 2025-2017 GMC
• 2025-2016 Chevrolet

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

• 10.1in x 7.9in x 6.8in, 1.4lbs