Radiator for Hyundai XG (2001-2005) 3.0L 3.5L

Direct-Fit OE-Replacement Aluminum Radiator for 2001-2005 Hyundai XG

What it Does: The Radiator for 2001-2005 Hyundai XG restores factory cooling capacity and regulates operating temperatures across the 3.0L and 3.5L Sigma powertrains to prevent heat-induced engine failure.

The Stock Hyundai XG Thermal Stress and Crimp Seam Fatigue

Aging factory radiators on the XG chassis suffer from thermal fatigue at the crimped header plate interface. Over extended thermal cycles, the OEM glass-filled nylon end tanks become brittle, developing micro-cracks near the upper inlet neck where hot coolant enters directly from the thermostat housing. Compounding this, internal scale and fin corrosion restrict coolant flow through the original narrow core channels, degrading heat dissipation and risking head gasket distortion on high-mileage Sigma G6CT and Sigma G6CU V6 engines.

The Engineering Solution

Engineered to standard DPI 2584 specifications, this replacement unit features a high-density aluminum tube-and-fin core that maximizes surface area contact for improved convective cooling. The core is mechanically crimped to heavy-duty composite end tanks with vulcanized EPDM gaskets to eliminate common seam leak paths. Precision brass internal transmission cooler fittings maintain correct fluid line engagement for factory automatic transaxles, maintaining OE heat rejection rates without modification to the front crossmember or fan shroud mounts.

Technical Specifications

Compatibility

• 2001 Hyundai XG300 3.0L V6
• 2002 Hyundai XG350 3.5L V6
• 2003 Hyundai XG350 3.5L V6
• 2004 Hyundai XG350 3.5L V6
• 2005 Hyundai XG350 3.5L V6

Frequently Asked Questions

Does this fit the XG chassis with the automatic transmission cooler?
Yes, this unit includes internal brass transmission cooler lines matching the factory hose routing on G6CT and G6CU models.

Does installation require trimming or mounting alterations?
No, it drops directly into the OEM lower insulator bushings and retains factory condenser and fan shroud fasteners.

The Hyundai Commuter Standard

Restoring cooling system integrity on your Hyundai XG protects the multi-valve valvetrain from localized thermal distortion, maintaining quiet operation and long-term highway reliability.