Dorman OE Solutions Engine Coolant Reservoir for 2005-2012 Toyota Avalon 603-297

Non-pressurized engine coolant reservoir for 2005-2012 Toyota Avalon used to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is engineered from quality materials 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 factory specifications
• Engineered to restore proper coolant system capacity
• Validated through testing for dependable performance

Benefits

• Prevents coolant loss and potential engine overheating
• Restores accurate coolant level monitoring
• Eliminates leaks caused by cracked or damaged plastic
• Ensures a precise fit for straightforward installation
• Reduces the risk of repeat repairs with robust construction
• Helps maintain optimal engine operating temperature

Application

Ideal for Toyota Avalon owners experiencing coolant leaks, visible cracks in the overflow tank, or low coolant warnings due to a failing reservoir.

Fitment Notes

• Compatible with 2005-2012 Toyota Avalon models
• Replaces Toyota part number 16470AD010

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function.
• Backed by over 100 years of automotive aftermarket experience.
• Built with quality materials and validated through testing to stand up to daily driving demands.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 9.9in x 7.9in x 5.1in
• Weight: 1.1lbs