Dorman Engine Coolant Reservoir Pressurized for 1995-1998 Buick Chevrolet Oldsmobile Pontiac 603-115

Pressurized engine coolant reservoir for 1996 Buick, 1995 Chevrolet, 1998 Oldsmobile and Pontiac that replaces the factory part.

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 for optimal coolant pressure.
• Backed by 100 years of automotive aftermarket experience.

Benefits

• Reliable service with durable construction.
• Easy to install as a direct-fit replacement.
• Maintains proper coolant pressure for engine cooling.
• Reduces risk of leaks and overheating.

Application

This part is ideal for owners of 1996 Buick, 1995 Chevrolet, 1998 Oldsmobile and Pontiac models needing a replacement coolant reservoir.

Fitment Notes

• Buick 1998-96
• Chevrolet 1996-95
• Oldsmobile 1998-96
• Pontiac 1998-96

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

• 20.7in x 7.1in x 7.3in, 2.9lbs