Dorman Engine Coolant Reservoir Pressurized for 2006-02 Cadillac, 2007-99 Chevrolet, 2007-99 GMC, 2009-03 Hummer 603-102

Engine coolant reservoir replacement for 2006-02 Cadillac, 2007-99 Chevrolet, 2007-99 GMC, and 2009-03 Hummer by Dorman.

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 design ensures proper coolant flow.

Benefits

• Durable construction resists high temperatures and vibrations.
• Maintains optimal engine cooling for reliable performance.
• Easy to install as a direct-fit replacement.
• Long-lasting solution reduces the need for future repairs.

Application

This part is for vehicle owners needing a replacement coolant reservoir to maintain engine temperature and prevent overheating.

Fitment Notes

• Cadillac 2006-02
• Chevrolet 2007-99
• GMC 2007-99
• Hummer 2009-03

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

• 13.0in x 13.0in x 9.2in, 4.1lbs