Dorman OE Solutions Engine Coolant Reservoir with Fan Shroud for 2001-2005 Lexus IS300 603-430

Engine coolant reservoir with integrated fan shroud for 2001-2005 Lexus IS300 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

• 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 direct installation
• Validated through testing to ensure dependable performance
• Replaces Toyota part number 1671146350 and Spectra Premium FRT2013C

Benefits

• Restores proper cooling system pressure and fluid capacity
• Eliminates leaks caused by cracked or degraded plastic tanks
• Reduces the risk of repeat repairs with a trustworthy design
• Simplifies installation with a direct-fit replacement requiring no modifications
• Helps prevent engine overheating by securing coolant flow and fan alignment

Application

Ideal for Lexus IS300 owners experiencing coolant loss, visible cracks in the stock tank, or failed emissions tests due to cooling system leaks, providing a long-lasting fix for daily driving demands.

Fitment Notes

• Compatible with 2001, 2002, 2003, 2004, and 2005 Lexus IS300 models
• Direct replacement for vehicles originally equipped with the integrated shroud and reservoir assembly

Why Choose Dorman - OE Solutions?

• Backed by over 100 years of automotive aftermarket experience with a focus on fit and durability
• Parts are engineered as direct-fit replacements to ensure smoother installation and reliable results
• Proven solutions designed to keep your vehicle operating the way it should

What's in the Box

• 1 PC Engine Coolant Reservoir with Integrated Fan Shroud

Item Dimensions

• 30.8in x 21.4in x 21.4in, 6.0lbs