Dorman - OE Solutions Engine Coolant Reservoir Pressurized for 2002-2003 Dodge Ram 1500 2500 3500 4000 603-487

Pressurized coolant reservoir for 2002-2003 Dodge Ram 1500, 2500, 3500, and 4000 by Dorman - OE Solutions to replace the factory part.

Manufactured from quality materials to withstand underhood heat and engine vibration, engineered to match the fit and function of the original part.

Key Features

• Pressurized coolant reservoir design
• Compatible with Dodge Ram 1500 (2002-2003), 2500 (2003), 3500 (2003), and 4000 (2002)
• Part number 603-487
• Dimensions: 13.1in x 9.9in x 8.9in
• Weight: 2.8lbs
• Includes 1 PC

Benefits

• Reliable cooling performance under high engine temperatures
• Reduced risk of overheating and engine damage
• Easy to install as a direct-fit replacement
• Durable construction resists heat and vibration
• Maintains factory coolant system pressure for optimal operation

Application

This part is ideal for owners of early 2000s Dodge Ram pickups who need a replacement coolant reservoir after leaks or failure.

Fitment Notes

• Dodge Ram 1500 (2002-2003)
• Dodge Ram 2500 (2003)
• Dodge Ram 3500 (2003)
• Dodge Ram 4000 (2002)

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

• Included items not specified by the manufacturer.

Item Dimensions

• 13.1in x 9.9in x 8.9in, 2.8lbs