CSF Dodge/Cummins 5.9L/6.7L OEM Style Direct Fit Replacement Radiator. CSF factories are ISO/TSO certified;CSF Radiators are designed and built to High Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold!; Our Radiators are carefully engineered & Wind Tunnel Tested in labratory for Cooling Performance Validation;We have over 10, 000 different models of Radiators that we manufacture & supply for all the leading brands of vehicles on the road

OEM specified Plastic Tank-Aluminum Core Construction
Tanks are made from Virgin Grade Engineered plastic resins, which are Glass Filled for added Strength & Durability
Gaskets are made from Special Grade EPDM rubber to withstand extreme temperatures of up to -120 Degrees F
Tubes - Welded Type or Latest Generation B-Tube Design
Fins (Heart of Radiator) - High Performance Multi-Louvered Design - OEM Spec
100% leak tested before leaving factory at 150% of operating pressure
Industry Best Packaging - 10 Foot Drop Test Standard
Drop-in Fit
High Performance Transmission Cooler with special Built-in Turburlator, when applicable
All components are installed, torqued, & tested on Radiator during assembly