Description
Product overview
The CSF 3938 is an application-specific replacement radiator. Match the core, connection layout, and vehicle configuration to the specifications below.
The radiator transfers heat from circulating engine coolant to the air passing through its core. Tube and fin condition, fan operation, and the airflow path all affect the cooling system’s ability to reject heat.
Technical specifications
- Core Length (in): 37 5/8
- Core Material: Aluminum
- Core Thickness (in): 5/8
- Core Width (in): 3
- Flow orientation: Cross Flow
- Core rows: 1
- Oil Cooler (in): No
- Radiator Cap Supplied: No
Installation and compatibility
Compare the core dimensions, hose locations, mounting arrangement, and any internal cooler connections with the existing radiator. Select by the complete vehicle, engine, and transmission configuration; shared model names alone do not establish fitment. Follow the vehicle coolant filling and bleeding procedure after replacement.
Vehicle fitment
| Make | Model | Qualifiers | Year |
|---|---|---|---|
| Chevrolet | Silverado 2500 HD | 6.6L V8 6599cc 403ci Turbocharged DIESEL | 2020-2026 |
| Chevrolet | Silverado 3500 HD | 6.6L V8 6599cc 403ci Turbocharged DIESEL | 2020-2026 |
| GMC | Sierra 2500 HD | 6.6L V8 6599cc 403ci Turbocharged DIESEL | 2020-2026 |
| GMC | Sierra 3500 HD | 6.6L V8 6599cc 403ci Turbocharged DIESEL | 2020-2026 |
Part number: CSF 3938.