CSF 3804 OEM Replacement Radiator Mazda 6 2.5L

The CSF 3804 is a direct-fit OEM replacement radiator engineered for optimal cooling performance in Mazda 6 models equipped with 2.5L engines. Built to exacting OE specifications, this radiator delivers reliable heat dissipation while maintaining the quality and durability expected from CSF's decades of cooling expertise.

Key Features:

• OEM-specified plastic tank and aluminum core construction for durability and efficiency
• Virgin grade engineered plastic tanks with glass-filled reinforcement for superior strength
• High-performance multi-louvered fin design maximizes cooling surface area
• Special grade EPDM rubber gaskets withstand extreme temperatures from -120°F and above
• Downflow configuration with 1-row core design
• 100% leak tested at 150% of operating pressure before shipment
• Drop-in fit requiring no modifications for installation

CSF has manufactured over 30 million cooling units with more than 50 years of industry experience, meeting ISO 9000 standards and supplying OE manufacturers worldwide. Each radiator undergoes rigorous quality control testing including vibration-cycle, thermal-cycle, and wind tunnel testing to ensure maximum reliability and performance.