Universal Air RA2781C Radiator

Downflow Radiator for Lexus GS430

Universal Air RA2781C is a downflow radiator built for direct-fit replacement in select Lexus applications. It is listed for the 2006-2007 Lexus GS430 and supports buyers searching for a 2006 Lexus GS430 radiator, 2007 Lexus GS430 cooling replacement, or RA2781C downflow radiator fitment.

Key Features

• Brand: Universal Air
• Brand line: Downflow Radiator
• Part number: RA2781C
• Radiator configuration: downflow style
• Compatible With: 2006-2007 Lexus GS430, N/A position

Product Details

The Universal Air Downflow Radiator line focuses on radiator replacements organized by cooling-system layout, making it easier to identify the correct unit for the vehicle application. RA2781C is cataloged for the Lexus GS430 in 2006 and 2007, giving technicians and parts buyers a clear match for a downflow radiator replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Radiator Can Address

• Coolant loss from a leaking radiator core or tank
• Overheating caused by restricted coolant flow
• Temperature instability during stop-and-go driving
• Cooling-system service needs after radiator damage or age-related wear

Installation Notes and Tips

Verify the vehicle’s radiator layout before ordering and confirm the 2006-2007 Lexus GS430 application against the existing unit. Inspect hoses, clamps, and coolant condition during replacement, and flush the system if contamination or debris is present. Use the part number RA2781C when matching catalog records or service documentation.

Quality Assurance

Universal Air identifies this unit within its Downflow Radiator product line for application-specific radiator selection. Confirm fitment by year, make, and model before installation.