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CSF 3945 OE Replacement Radiator for Ford F-150 3.5L EcoBoost/PowerBoost

(2021-2026 Ford F-150; 2022-2024 Lincoln Navigator)

Part of: CSF Radiator

Other options in this family: CSF 3662 CSF 3543 CSF 3866 CSF 3838 CSF 3544

Manufacturer

Part Number

3945
Sale Price

$148.29

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The CSF 3945 is a premium OE replacement radiator engineered specifically for 2021-2025 Ford F-150 models equipped with 3.5L EcoBoost and PowerBoost hybrid engines, as well as 2023-2025 F-150 Raptor R models. Designed to meet or exceed factory specifications, this radiator delivers superior cooling performance for demanding driving conditions including towing, off-roading, and high-performance applications.

Advanced Construction and Materials:

  • 100% TIG-welded all-aluminum construction with mirror-polished end tanks for maximum strength and durability
  • Superior build quality compared to factory radiators with plastic end tanks that are prone to failure
  • Billet CNC-machined fittings ensure leak-free operation and long service life
  • High-efficiency aluminum core with advanced fin design maximizes heat dissipation

Performance Features:

  • Enhanced cooling capacity prevents overheating during intense driving, towing, and extreme conditions
  • Optimizes engine performance by maintaining ideal operating temperatures
  • Improved heat dissipation design keeps engines running cooler under load
  • CSF's exclusive B-Tube technology increases heat transfer efficiency by approximately 15% over standard oval tubes
  • Multi-louvered fin configuration provides maximum surface area for superior airflow

Installation and Warranty:

  • Direct plug-and-play fitment requires no drilling, cutting, or modifications
  • Drop-in replacement design for straightforward installation
  • Individually leak tested and pressure tested for quality assurance
  • Backed by CSF's comprehensive 2-year warranty against manufacturing defects

CSF Cooling Experts has been an industry leader in automotive cooling solutions for over 40 years, manufacturing radiators that undergo rigorous wind tunnel, burst limit, vibration, thermal cycle, and leak testing. This radiator represents a breakthrough in cooling technology for the Ford F-150 platform, providing the enhanced cooling performance these powerful turbocharged engines demand.

Products specifications

Fits

2021-2026 Ford F-150; 2022-2024 Lincoln Navigator

Inlet Length (In)

18 3/8

Outlet Length (In)

18 3/8

Hazardous Material

No

Box Weight (lbs)

17

Box Height (in)

8 1/4

Inlet Width (in)

1 1/2

Outlet Width (in)

1 1/2

Oil Cooler (in)

No

Box Width (in)

21 3/16

Box Length (In)

45 1/4

Tech Note

O.E.M. style Plastic tank & Aluminum core with quick-connect outlet pipe. Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 27mm

Very good service, got my seats on Saturday after ordering on Wednesday. Very good quality. Very pleased.

GREAT !

Simple and fast

No Complaints

Good price

Was good

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