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CSF 3979 Radiator
| Brand | CSF 3979 |
|---|---|
| Core Thickness | 1 5/8 |
| Core Width | 20 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 39 3/8 |
| Inlet Diameter | 1 1/4 left |
| Outlet Diameter | 1 1/4 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Box Height (in) | 6 5/8 |
| Box Length (in) | 47 9/16 |
| Box Weight (lbs) | 27 |
| Box Width (in) | 24 15/16 |
| Hazardous Material | No |
| Inlet Length (in) | 21 3/8 |
| Inlet Width (in) | 2 1/8 |
| No. Of Rows | 2 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 21 3/8 |
| Outlet Width (in) | 2 1/8 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core with quick-connect inl |
| Fits | Ford · 8 vehicles |
OE-style replacement. Plastic tanks and aluminum core match the original layout.
Cross-flow design. Helps move coolant efficiently through the radiator.
Wind tunnel tested. Cooling performance is validated in lab testing.
Cross-references PC3Z 8005 A for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
CSF 3979 Heavy Duty Radiator
The CSF 3979 radiator is an OE-style replacement built with an aluminum core and plastic tanks for 2023-2026 Ford F-250 Super Duty and Ford F-350 Super Duty applications. It features a 2-row cross-flow design with a thicker core than the original equipment setup, helping support cooling performance in demanding truck use.
Key Features
- Aluminum core with plastic tank construction
- 2-row cross-flow radiator design
- Core thickness: 1 5/8 in.
- Core size: 39 3/8 in. length x 20 11/16 in. width
- 1 1/4 in. left inlet and 1 1/4 in. left outlet
- OE-style quick-connect inlet and outlet pipe design
- No radiator cap supplied
- Cross-reference: Ford PC3Z 8005 A
Detailed Description
Built for 2023-2026 Ford F-250 Super Duty and 2023-2026 Ford F-350 Super Duty trucks, the CSF 3979 radiator uses an aluminum core with plastic tanks in an OEM-style layout. The cross-flow configuration and 2-row core provide a heavy-duty cooling solution, while the 42 mm core design is listed as 24% thicker than the OEM 1-row 34 mm core. CSF manufactures radiators to high-performance standards and validates cooling performance through wind tunnel testing, with production experience across a wide range of vehicle applications. This part number, CSF 3979, is a direct-fit radiator choice for Super Duty owners seeking a replacement that matches the factory-style connection layout.
Common Reasons to Replace
- Cracked or leaking radiator tanks
- Restricted coolant flow from an aging core
- Overheating under towing or heavy-load conditions
- Damaged inlet or outlet connections
- Cooling system service on a Ford F-250 Super Duty or Ford F-350 Super Duty
Installation Notes
Verify inlet and outlet orientation before installation; this radiator uses left-side inlet and outlet connections. Confirm dimensions, hose routing, and mounting points against the original radiator before removal. Transfer any vehicle-specific components as required by the application, and inspect hoses, clamps, and coolant condition during service.
Quality Assurance
CSF states that its factories are ISO/TSO certified and that its radiators are engineered and tested for cooling performance validation. The brand has supplied radiators worldwide for more than 50 years and offers a broad catalog of radiator applications for leading vehicle platforms.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2026 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2026 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2025 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2025 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2024 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2024 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2023 | Ford | F-250 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
| 2023 | Ford | F-350 Super Duty | 6.7L | V8 | DIESEL | N/A | Upgraded Heavy Duty Core. 24% Thicker, 2 Row 42mm core vs OEM 1 Row 34mm core |
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