CSF 3843 OEM Replacement Radiator for 6.6L Duramax Turbo Diesel

The CSF 3843 is an OEM-style replacement radiator engineered specifically for 2017-2019 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L L5P Duramax turbo diesel engine. This radiator delivers reliable cooling performance with a direct drop-in fit design that matches factory specifications.

Construction and Design:

• Plastic tank and aluminum core construction matching OEM specifications
• Two-row core design for optimal heat dissipation
• Integrated high-efficiency plate-type oil cooler (11-1/2 inch, right-side mounted)
• Quick-connect outlet pipe fittings for simplified installation
• Virgin-grade engineered plastic tanks with glass-filled reinforcement for enhanced strength and durability
• Special-grade EPDM rubber gaskets rated to withstand extreme temperatures

Quality Assurance and Testing:

• Each radiator is individually pressure tested and serial number certified
• ISO certified manufacturing ensures consistent quality standards
• Comprehensive testing includes wind tunnel, burst pressure, vibration, thermal cycle, and salt spray corrosion testing
• 100% leak tested at 150% of operating pressure before leaving the factory

Backed by a 1-year warranty, the CSF 3843 radiator provides dependable cooling performance for your heavy-duty diesel truck while maintaining OEM fit and function.