Dorman OE Solutions Non-Pressurized Coolant Reservoir for 2003-2009 Lexus GX470 Toyota 4Runner FJ Cruiser 603-425

Non-pressurized coolant reservoir for 2003-2009 Lexus GX470 Toyota 4Runner and FJ Cruiser used to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials engineered to withstand underhood heat and engine vibration while matching the original part's fit and function.

Key Features

• Direct replacement for original equipment coolant reservoir
• Constructed from durable materials resistant to heat and vibration
• Non-pressurized design matches OE specifications
• Engineered to ensure proper fit and function
• Backed by Dorman's century of automotive aftermarket experience

Benefits

• Restores proper coolant storage capacity to prevent overheating
• Eliminates leaks caused by cracked or damaged factory tanks
• Ensures reliable performance under daily driving conditions
• Reduces risk of repeat repairs with trusted construction
• Simplifies installation with direct-fit design

Application

Ideal for owners of Lexus GX470, Toyota 4Runner, and FJ Cruiser models experiencing coolant loss or visible damage to the original expansion tank who need a dependable aftermarket solution.

Fitment Notes

• Compatible with 2003-2009 Lexus GX470
• Compatible with 2003-2009 Toyota 4Runner
• Compatible with 2007-2009 Toyota FJ Cruiser
• Replaces Toyota part number 1647050140

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function for smoother installation and reliable results.

What's in the Box

• 1 PC Coolant Reservoir

Item Dimensions

• 12.7in x 4.8in x 7.2in, 1.0lbs