Radiator for Hyundai Sonata (2006-2010) 2.4L 3.3L

Direct-Fit Replacement Radiator for 2006-2010 Hyundai Sonata

What it Does: The direct-fit replacement radiator replaces the deteriorated factory cooling unit on the 2006-2010 Hyundai Sonata to restore thermal heat dissipation efficiency and prevent engine overheating under heavy load.

The Stock Hyundai Sonata Thermal Degradation Failure Point

Factory cooling systems on the fifth-generation NF chassis Sonata degrade significantly over extended heat cycles. The OEM radiator relies on plastic composite tanks clamped to an aluminum core via mechanically crimped gasket seams. Over years of thermal cycling, vibration, and fluctuating pressure within the closed-loop cooling system, the factory resin tanks become embrittled. Stress cracks frequently develop near the upper radiator neck and hose inlet stubs, resulting in coolant loss, pressure drop, and severe boiling risks for both the inline-four and V6 cylinder heads. Furthermore, internal sediment accumulation and scale buildup within narrow factory tubes progressively degrade heat-transfer efficiency, causing thermal spikes in stop-and-go driving.

The Engineering Solution

This replacement cooling assembly is engineered to restore factory cooling performance with reinforced thermal tolerances. Featuring a brazed aluminum tube-and-fin core, it optimizes coolant flow pathways and ambient heat rejection across the core surface. High-grade, heat-stabilized virgin polymer end tanks resist embrittlement and withstand elevated hydraulic operating pressures without micro-fracturing. Integrated internal brass transmission oil cooler circuits ensure stable automatic transmission fluid (ATF) operating temperatures under heavy load. Sized to match OEM specifications under industry standard DPI 2831, it mounts directly into the factory radiator support framework utilizing stock isolators, fan shrouds, and quick-connect transmission cooler line fittings without modifications.

Technical Specifications

Compatibility

• 2006-2010 Hyundai Sonata 2.4L I4 (GL, GLS, SE, Limited)
• 2006-2010 Hyundai Sonata 3.3L V6 (GLS, SE, Limited)

Frequently Asked Questions

Does this fit the NF Sonata?
Yes, this is a direct fit for the 2006-2010 Hyundai Sonata NF chassis equipped with either the 2.4L Theta II or 3.3L Lambda engine.

Does this unit accommodate vehicles with automatic transmissions?
Yes, it features an integrated internal brass transmission cooler compatible with factory automatic fluid routing lines.

The Hyundai Commuter Reliability Standard

Engineered to withstand daily commuter duty cycles, this radiator ensures stable thermal transfer and reliable cooling system pressure retention to prevent head gasket failures and maintain uninterrupted engine longevity.