Global Parts 13503C Radiator

Radiator for Lexus GS350 Cooling System Service

Global Parts 13503C is a replacement radiator for 2013-2015 Lexus GS350 applications. It helps restore engine cooling performance when the original radiator is no longer maintaining proper temperature control.

Key Features

• Aluminum core for efficient heat dissipation
• Plastic tank construction
• Single-row core design
• 1.5 in. inlet diameter, also listed as 38.1 mm
• No transmission oil cooler included
• Direct-fit replacement for the specified Lexus GS350 model years

Product Details

This Global Parts radiator, part number 13503C, is built for 2013-2015 Lexus GS350 vehicles. The aluminum core and plastic tank design follow a common OE-style construction used to manage engine heat while keeping coolant flow stable through the cooling system. If you are replacing a leaking, clogged, or damaged radiator on a Lexus GS350, this unit provides a direct replacement option for the listed fitment.

This part cross-references DENSO Auto Parts 221-9572 for the same application.

Common Cooling System Issues

• Coolant leaks from cracked tanks or aging seams
• Overheating caused by restricted radiator flow
• Temperature fluctuations from a failing core
• Visible corrosion or physical damage to the radiator assembly
• Cooling performance loss after OEM radiator failure

Installation Notes

Verify vehicle fitment before installation by matching the 2013-2015 Lexus GS350 application and confirming inlet size and cooling-system layout. Inspect hoses, clamps, and coolant condition during replacement, and flush the system if contamination or debris is present. Part number 13503C should be matched to the original radiator configuration before installation.

Quality Assurance

Global Parts supplies replacement cooling components for OE-style service applications. Radiator 13503C is built to support the cooling needs of the listed Lexus GS350 fitment and is intended as a direct replacement for the original unit.