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CSF 3850 Radiator
| Brand | CSF 3850 |
|---|---|
| Core Thickness | 1 5/8 |
| Core Width | 20 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 39 3/8 |
| Inlet Diameter | 7/8 left |
| Outlet Diameter | 7/8 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 2 |
| Cap Included | No |
| Box Height (in) | 6 5/8 |
| Box Length (in) | 47 9/16 |
| Box Weight (lbs) | 25 |
| Box Width (in) | 24 15/16 |
| Hazardous Material | No |
| Inlet Length (in) | 21 3/8 |
| Inlet Width (in) | 2 1/8 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 21 3/8 |
| Outlet Width (in) | 2 1/8 |
| Tech Note | O.e.m. style plastic tank & aluminum core with quick-connect inl |
| Fits | Ford · 20 vehicles |
OE-style replacement. Plastic tank and aluminum core match the original design.
Cross-flow design. Helps promote efficient cooling performance.
Wind tunnel tested for cooling performance validation.
Cross-references Dorman - HELP 13716, Spectra Premium CU13716 and FO3010359 for the same application. See all 5.
CSF 3850 Radiator for Ford Super Duty Cooling
CSF radiator Part Number 3850 is an OE-style replacement radiator built with an aluminum core and plastic tanks for Ford Super Duty cooling service. It is engineered as a cross flow design with a 2-row core and quick-connect inlet and outlet pipes for the listed applications.
Key Features
- Aluminum core with plastic tank construction
- Cross flow radiator design
- 2-row core for upgraded cooling capacity versus the OEM 1-row setup on select 2020-2026 Ford F-250 Super Duty and Ford F-350 Super Duty applications
- Quick-connect inlet and outlet pipe design
- Core thickness: 1 5/8 in.
- Core dimensions: 39 3/8 in. length and 20 11/16 in. width
- Inlet and outlet diameter: 7/8 in. left
- No radiator cap included
Detailed Description
CSF Part Number 3850 is built for Ford F-250 Super Duty and Ford F-350 Super Duty cooling system service where an OE-style radiator replacement is needed. The aluminum core helps transfer heat efficiently, while the plastic tank design follows the factory-style layout noted in the product data. CSF states its radiators are engineered to performance standards and validated through wind tunnel testing, with manufacturing experience across a wide range of vehicle applications. This part cross-references Dorman HELP 13716 for the same application.
What This Radiator Helps Address
- Overheating caused by a worn or restricted radiator core
- Coolant leaks from aging plastic tanks or connection points
- Reduced cooling performance in heavy-duty Ford Super Duty use
- Replacement needs after corrosion, impact damage, or internal blockage
- Secondary radiator service on 2017-2019 Ford F-250 Super Duty and Ford F-350 Super Duty
Installation Notes and Tips
Fits 2020-2026 Ford F-250 Super Duty, N/A, with upgraded heavy duty core and 2-row core to OEM 1-row core. Fits 2020-2026 Ford F-350 Super Duty, N/A, with upgraded heavy duty core and 2-row core to OEM 1-row core. Fits 2017-2019 Ford F-250 Super Duty, N/A, secondary radiator. Fits 2017-2019 Ford F-350 Super Duty, N/A, secondary radiator. Verify inlet and outlet orientation, core dimensions, and quick-connect pipe style before installation. Transfer any required vehicle-specific components from the original setup as needed, and confirm the cooling system is properly filled and bled after installation.
Quality Assurance
CSF manufactures radiators to ISO/TSO-certified factory standards and supplies a broad range of radiator applications worldwide. Part Number 3850 is built as a technical replacement for Ford F-250 Super Duty and Ford F-350 Super Duty cooling service, with construction and fitment details listed above for application verification.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2026 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2025 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2025 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2024 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2024 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2023 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2023 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2022 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2022 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2021 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2021 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2020 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2020 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Upgraded Heavy Duty Core. 2 Row core to OEM 1 Row core |
| 2019 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| 2019 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| 2018 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| 2018 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| 2017 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| 2017 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | Secondary Radiator |
| No rows match your filter. | ||||||