Dorman OE Solutions Power Steering Reservoir for 2003-2009 Lexus GX470 2003-2010 Toyota 4Runner 2007-2009 FJ Cruiser 603-674

Power steering reservoir for 2003-2009 Lexus GX470 2003-2010 Toyota 4Runner and 2007-2009 FJ Cruiser used to replace leaking or cracked factory fluid tanks.

Built to meet the manufacturer's design intent for reliable service, this replacement unit is manufactured from quality materials engineered to withstand underhood heat and engine vibration. Each part undergoes on-vehicle testing to ensure optimum fit and long service life for your specific application.

Key Features

• Direct fit replacement for specific Lexus and Toyota models
• Constructed from durable materials resistant to heat and vibration
• Undergoes rigorous on-vehicle testing for quality assurance
• Engineered to match OE form, fit, and function
• Includes one complete power steering reservoir unit

Benefits

• Restores proper power steering fluid capacity and system pressure
• Eliminates leaks caused by cracked or damaged factory reservoirs
• Reduces the risk of repeat repairs with validated durability
• Ensures smoother installation with precise OEM-style mounting
• Helps maintain safe steering performance during daily driving

Application

Ideal for owners of Lexus GX470, Toyota 4Runner, or FJ Cruiser experiencing power steering fluid leaks, low fluid levels, or visible cracks in the original reservoir. This part serves as a reliable solution for restoring steering system integrity without the cost of dealership components.

Fitment Notes

• Compatible with 2003-2009 Lexus GX470
• Compatible with 2003-2010 Toyota 4Runner
• Compatible with 2007-2009 Toyota FJ Cruiser
• Replaces Toyota part numbers 4436035170, 443050C030, and 443050C010

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function.
• Built with quality materials and validated through testing to stand up to daily driving demands.
• Focuses on fit, durability, and dependable performance to restore vehicles with confidence.

What's in the Box

• 1 Power Steering Reservoir

Item Dimensions

• Length: 9.4 inches
• Width: 8.5 inches
• Height: 7.4 inches
• Weight: 1.7 lbs