Dorman OE Solutions Power Steering Reservoir for 2004-2009 Toyota Sienna 603-723

Power steering reservoir for 2004-2009 Toyota Sienna by Dorman 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 to withstand underhood heat and engine vibration. It undergoes rigorous on-vehicle testing to ensure optimum fit and long service life for your specific application.

Key Features

• Direct replacement for original equipment power steering reservoir
• Constructed from durable materials resistant to heat and vibration
• Undergoes on-vehicle testing to verify quality fit
• Engineered to match OE form, fit, and function
• Part number 603-723 ensures correct identification

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 direct-fit design
• Helps maintain safe steering performance during daily driving

Application

This part is designed for owners of 2004 through 2009 Toyota Sienna models experiencing power steering fluid leaks or reservoir damage. It serves as a reliable fix for routine maintenance or repair scenarios where the original tank has failed due to age or stress.

Fitment Notes

• Compatible with 2004, 2005, 2006, 2007, 2008, and 2009 Toyota Sienna
• Replaces Toyota OEM part numbers 4436008020, 4430528060, 4430506050, 4430528030, 4430528061, and 4430506030
• Cross-references with Cardone New 3R-123 and CRP RES0061

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements to match OE specifications
• Strong focus on fit, durability, and dependable performance restores vehicle confidence
• Validated through testing to stand up to daily driving demands
• Proven aftermarket solutions help keep your vehicle operating correctly

What's in the Box

• 1 Power Steering Reservoir

Item Dimensions

• 7.3in x 4.8in x 5.2in
• Weight: 0.7lbs