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CSF 3945 Radiator
| Brand | CSF 3945 |
|---|---|
| Core Thickness | 1 1/4 |
| Core Width | 17 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 34 5/8 |
| Inlet Diameter | 1 1/2 right |
| Outlet Diameter | 1 1/2 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Box Height (in) | 8 1/4 |
| Box Length (in) | 45 1/4 |
| Box Weight (lbs) | 17 |
| Box Width (in) | 21 3/16 |
| Hazardous Material | No |
| Inlet Length (in) | 18 3/8 |
| Inlet Width (in) | 1 1/2 |
| No. Of Rows | 1 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 18 3/8 |
| Outlet Width (in) | 1 1/2 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core with quick-connect outl |
| Fits | Ford and Lincoln · 8 vehicles |
Heavy-duty core. 7% thicker than OEM for improved cooling performance.
OE-style construction. Plastic tanks and aluminum core match the original design.
Wind tunnel tested. Validated in lab for cooling performance.
Cross-references BBB Industries 13914, FO3010372 and ML3Z 8005 B for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
CSF 3945 Radiator for Ford F-150 and Lincoln Navigator
CSF radiator part number 3945 is an OE-style replacement built with an aluminum core and plastic tanks for direct-fit cooling system service. It is engineered for the 2021-2025 Ford F-150 and 2022-2024 Lincoln Navigator, with an upgraded heavy-duty core that measures 30 mm thick versus the OEM 27 mm design.
Key Features
- Aluminum core with plastic tank construction
- Cross-flow radiator design
- 1-row core layout
- Core thickness: 1 1/4 in.
- Core dimensions: 34 5/8 in. length x 17 11/16 in. width
- Inlet: 1 1/2 in. right side
- Outlet: 1 1/2 in. left side
- Quick-connect outlet pipe design
- Upgraded heavy-duty core for added cooling capacity
Detailed Description
CSF 3945 is a replacement radiator designed around the factory-style layout used on late-model Ford and Lincoln trucks and SUVs. The aluminum core helps transfer heat efficiently, while the plastic tank construction follows the original equipment format for straightforward service replacement. CSF states that its radiators are engineered to high-performance standards and validated through wind tunnel testing, with manufacturing backed by ISO/TSO-certified facilities. This part cross-references BBB Industries 13914 for the same application.
Compatible With 2021-2025 Ford F-150 and 2022-2024 Lincoln Navigator, this radiator is a direct-fit cooling system component for vehicles using the listed inlet and outlet configuration. CSF 3945 is also identified by OE-style references including FO3010372 and ML3Z 8005 B.
What This Radiator Helps Address
- Leaking or cracked radiator tanks
- Restricted coolant flow from an aging core
- Cooling performance loss from a damaged factory radiator
- Overheating concerns caused by worn internal passages
- Replacement needs after collision or front-end damage
Installation Notes and Tips
Verify inlet and outlet orientation before installation: 1 1/2 in. right inlet and 1 1/2 in. left outlet. Confirm radiator dimensions, mounting points, and quick-connect pipe style against the original unit before removal. The radiator cap is not supplied, and no oil cooler is included. Proper coolant fill, bleeding, and leak inspection should be completed after installation.
Quality Assurance
CSF manufactures radiators in ISO/TSO-certified facilities and validates cooling performance during development. Part number 3945 is built to OE-style specifications with an upgraded heavy-duty core for the listed Ford F-150 and Lincoln Navigator applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | F-150 | 3.5L | V6 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2024 | Ford | F-150 | 5.2L | V8 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2024 | Lincoln | Navigator | 3.5L | V6 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2023 | Ford | F-150 | 3.5L | V6 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2023 | Lincoln | Navigator | 3.5L | V6 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2022 | Ford | F-150 | 3.5L | V6 | FULL HYBRID EV-GAS (FHEV) | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2022 | Lincoln | Navigator | 3.5L | V6 | — | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
| 2021 | Ford | F-150 | 3.5L | V6 | FULL HYBRID EV-GAS (FHEV) | N/A | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm |
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