CSF 3849 Radiator
OE Quality 60-Day Returns
CSF

CSF 3849 Radiator

Brand CSF 3849
Core Thickness 1 5/8
Core Width 27 11/16
Core Material Aluminum
Tank Material Plastic
Core Length 38 3/8
Inlet Diameter 2 left
Outlet Diameter 2 1/4 right
Down Flow Or Cross Flow Type Cross flow
Radiator Core Row Quantity 2
Cap Included No
Box Height (in) 9 3/16
Box Length (in) 49 15/16
Box Weight (lbs) 37
Box Width (in) 33
Hazardous Material No
Inlet Length (in) 28 3/8
Inlet Width (in) 2 3/16
Oil Cooler (in) No
Outlet Length (in) 28 3/8
Outlet Width (in) 2 3/16
Tech Note O.e.m. style plastic tank & aluminum core with quick-connect inle
Fits Ford · 20 vehicles

OE-style design. Plastic tank and aluminum core with quick-connect inlet and outlet pipes.

Cross-flow construction. Engineered for efficient cooling performance and validation in wind tunnel testing.

ISO/TSO certified. Built in certified factories and sold worldwide for over 50 years.

Cross-references Bosch 13676, Spectra Premium CU13676 and FO3010358 for the same application. See all 5.

$285.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $285.72
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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CSF 3849 Radiator Overview

The CSF 3849 radiator is an OE-style replacement built with an aluminum core and plastic tanks for Ford Super Duty cooling system service. It is designed for 2020-2026 Ford F-250 Super Duty and Ford F-350 Super Duty trucks with an upgraded heavy-duty 2-row core, and for 2017-2019 Ford F-250 Super Duty and Ford F-350 Super Duty as the primary radiator.

  • Aluminum core with plastic tank construction
  • Cross-flow radiator design
  • 2-row core configuration
  • Core thickness: 1 5/8 in.
  • Core dimensions: 38 3/8 in. length x 27 11/16 in. width
  • Inlet: 2 in. left
  • Outlet: 2 1/4 in. right
  • O.E.M.-style plastic tank and aluminum core with quick-connect inlet and outlet pipe

Fitment Details

Fits 2020-2026 Ford F-250 Super Duty, N/A, upgraded heavy duty core. 2 row core to OEM 1 row core.

Fits 2020-2026 Ford F-350 Super Duty, N/A, upgraded heavy duty core. 2 row core to OEM 1 row core.

Fits 2017-2019 Ford F-250 Super Duty, N/A, primary radiator.

Fits 2017-2019 Ford F-350 Super Duty, N/A, primary radiator.

This part cross-references Bosch 13676 and Spectra Premium CU13676 for the same application.

What This Radiator Helps Address

  • Overheating caused by a restricted or inefficient radiator core
  • Coolant leaks from aging plastic tanks or connection points
  • Reduced cooling performance under towing or heavy-load use
  • Damaged inlet or outlet pipe connections
  • Service replacement for worn Ford Super Duty factory radiator assemblies

Installation Notes

Verify inlet and outlet orientation before installation: inlet is on the left and outlet is on the right. This radiator uses quick-connect inlet and outlet pipe connections and does not include a cap. Confirm vehicle year, engine cooling package, and radiator configuration against the listed fitment before ordering.

Quality Assurance

CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind tunnel testing. The brand operates ISO/TSO-certified factories and has supplied radiators worldwide for more than 50 years.

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2026FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2026FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2025FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2025FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2024FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2024FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2023FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2023FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2022FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2022FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2021FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2021FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2020FordF-250 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2020FordF-350 Super Duty6.7LV8DIESELN/AUpgraded Heavy Duty Core. 2 Row core to OEM 1 Row core
2019FordF-250 Super Duty6.7LV8—N/APrimary Radiator
2019FordF-350 Super Duty6.7LV8—N/APrimary Radiator
2018FordF-250 Super Duty6.7LV8—N/APrimary Radiator
2018FordF-350 Super Duty6.7LV8—N/APrimary Radiator
2017FordF-250 Super Duty6.7LV8—N/APrimary Radiator
2017FordF-350 Super Duty6.7LV8—N/APrimary Radiator
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13676Spectra Premium — CU13676FO3010358HC3Z8005BHC3Z8005J