Denso 221-9572 Radiator

Denso Radiator for Lexus GS350

The Denso 221-9572 radiator is built for 2013-2015 Lexus GS350 applications and follows OE-style specifications for fit, cooling performance, and durability. With a 16.7500-inch core height, 28.4375-inch core width, and 0.6250-inch core thickness, it matches the dimensions needed for proper heat transfer in the cooling system.

This radiator uses 1.5000-inch inlet and outlet diameters and does not include a transmission oil cooler. For Lexus GS350 owners looking for a direct-fit radiator replacement, Denso 221-9572 provides the dimensional accuracy and construction quality expected from an OE supplier.

Key Features

• Fits 2013-2015 Lexus GS350
• Part number: 221-9572
• Core height: 16.7500 in.
• Core width: 28.4375 in.
• Core thickness: 0.6250 in.
• 1.5000 in. inlet and 1.5000 in. outlet diameters
• No transmission oil cooler included
• OE-based radiator configuration for consistent fitment

Detailed Description

Denso 221-9572 is a replacement radiator engineered for the 2013-2015 Lexus GS350, with core dimensions and hose connections that align with the vehicle’s cooling system requirements. Denso supplies radiators to original equipment manufacturers worldwide, and this part reflects that OE development experience through controlled tank design, fin pitch, core sizing, and material selection. The result is a radiator built to support stable engine temperature control under everyday driving and demanding conditions.

This part cross-references Lexus 16400-31800 for the same application. If you are searching for a Lexus GS350 radiator replacement, Denso 221-9572 offers a direct-fit option for maintaining proper coolant flow and heat dissipation.

What This Radiator Helps Address

• Overheating caused by a worn or restricted radiator core
• Coolant leaks from aging radiator tanks or seams
• Reduced cooling efficiency from internal blockage or corrosion
• Fitment issues from incorrect core size or hose connection dimensions
• Temperature instability during stop-and-go or highway driving

Installation Notes and Tips

Verify the inlet and outlet sizes before installation and compare the existing radiator to the listed core dimensions. Inspect hoses, clamps, and coolant condition during replacement, and confirm that the cooling system is fully bled after installation. Because this radiator does not include a transmission oil cooler, confirm your vehicle’s original configuration before ordering.

Quality Assurance

Denso radiators are built to OE standards and undergo durability and function testing before release. That manufacturing approach supports consistent fitment and dependable cooling performance for Lexus GS350 applications covered by this part number.