CSF 3939 OE Replacement Radiator

The CSF 3939 is a high-quality OE replacement radiator engineered to meet or exceed original equipment specifications. Manufactured by CSF, a family-owned company with nearly 80 years of cooling system expertise, this radiator delivers reliable thermal management for your vehicle's engine.

Key Features:

• OE-specified plastic tank and aluminum core construction for optimal heat dissipation
• Tanks manufactured from virgin-grade engineered plastic resins with glass-filled reinforcement for added strength and durability
• High-performance multi-louvered fin design maximizes cooling efficiency
• EPDM rubber gaskets rated to withstand extreme temperatures from -120°F to high heat conditions
• Advanced tube design (welded type or latest generation B-Tube) for superior coolant flow
• 100% leak tested at 150% of operating pressure before leaving the factory
• Wind tunnel tested and thermal-cycle validated in CSF's state-of-the-art testing laboratory
• Vibration-cycle tested and burst pressure tested for long-term reliability
• ISO/TS certified manufacturing ensures consistent quality

CSF radiators are trusted by professionals worldwide, with over 30 million units sold globally. This direct-fit replacement radiator installs using your factory mounting points and requires no modifications, making it an ideal choice for restoring your vehicle's cooling system performance.