Dorman OE Solutions Engine Coolant Reservoir with Integrated Fan Shroud for 1998-2005 Lexus GS300 GS400 603-429

Engine coolant reservoir with integrated fan shroud for 1998-2005 Lexus GS300 and GS400 used to replace cracked or leaking factory cooling 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 fit and function.

Key Features

• Direct replacement for original equipment part numbers including Toyota 1671146260
• Integrated design combines the fan shroud and coolant reservoir into one assembly
• Manufactured from durable materials resistant to thermal stress and vibration
• Engineered to match OE form, fit, and function for seamless installation
• Backed by Dorman's century of automotive aftermarket experience

Benefits

• Restores proper cooling system capacity and airflow management
• Eliminates leaks caused by cracked or degraded plastic reservoirs
• Reduces the risk of repeat repairs through robust construction
• Simplifies installation with a direct-fit design requiring no modifications
• Helps prevent engine overheating by ensuring consistent coolant levels

Application

Ideal for Lexus GS300 and GS400 owners experiencing coolant loss, visible cracks in the factory tank, or failed emissions tests due to cooling system integrity issues.

Fitment Notes

• Compatible with 1998-2005 Lexus GS300 models
• Compatible with 1998-2000 Lexus GS400 models
• Verify vehicle compatibility before purchase to ensure proper fitment

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
• Offers a smart way to restore your vehicle with confidence in fit, durability, and dependable performance

What's in the Box

• 1 PC Engine Coolant Reservoir with Integrated Fan Shroud

Item Dimensions

• Length: 31.1 inches
• Width: 20.5 inches
• Height: 20.5 inches
• Weight: 6.2 lbs