CSF 3947 OEM Plastic Radiator for 17-26 Ford F250/F350 Super Duty 6.2L/6.8L/7.3L For Sale

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Part Brand: CSF

Part Number: 3947

• 2017–2026 Ford F-250 Super Duty (6.2L V8, 6.8L V8, 7.3L V8; 2WD/4WD)
• 2017–2026 Ford F-350 Super Duty (6.2L V8, 6.8L V8, 7.3L V8; 2WD/4WD)

• Gas-engine radiator ONLY -- not compatible with 6.7L PowerStroke diesel.
• Direct-fit replacement using OEM hose connections and shroud mounting points.
• Integrated oil cooler matches OEM routing on 6.2L, 6.8L, and 7.3L engines.
• No cutting or modification required; fully bolt-on aluminum cooling core
• OEM-style plastic tanks for factory fit
• Multi-louvered fins for better heat transfer
• Cross-flow core layout for optimized cooling
• Integrated heavy-duty round-style oil cooler
• Pressure-tested to exceed OEM standards
• Direct replacement for factory gas radiators
• Improved stability under towing and Material: Aluminum
• Tank Material: Glass-filled composite plastic
• Core Width: ~30.38 in
• Core Height: ~27.68 in
• Core Thickness: ~1.25 in
• Overall Size: ~30.38 × 27.75 × 1.25 in
• Flow Type: Cross-flow
• Rows: 1
• Oil Cooler: Integrated 12-inch round-type
• Inlet/Outlet Diameter: 1.875 in
• Pressure Tested: 150% of operating pressure
• Engine Compatibility: 6.2L, 6.8L, 7.3L gas engines

• 1x CSF 3947 Radiator Assembly
• Integrated Oil Cooler (pre-installed)
• Factory-style mounting points for hoses and shroud

The CSF 3947 radiator is a high-efficiency, direct-fit replacement for 2017–2025 Ford F-250 and F-350 Super Duty gas models equipped with the 6.2L, 6.8L, or 7.3L V8 engines. Featuring an aluminum heat-dissipation core paired with OEM-style plastic tanks, this radiator delivers improved thermal performance, excellent cooling stability under towing, and long-term reliability for heavy-duty work trucks and daily drivers alike.

Its multi-louvered fin structure and cross-flow core maximize coolant circulation, while the integrated heavy-duty oil cooler enhances thermal control for high-load scenarios. Built to exceed OEM pressure and durability standards, the CSF 3947 installs easily using factory hose routing, fan shroud mounting, and oil-cooler connections. Ideal for restoring lost cooling efficiency or upgrading your Super Duty for towing, hauling, or extended service life.

*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.

· · · SHIPPING · · ·

• Free shipping across the contiguous 48 United States (excludes Hawaii and Alaska). Item(s) ships on the same day or within 1 business day. Delivery time is within 2 to 4 business days excluding next day deliveries. Orders over $750 require signature for delivery.
• Canada customers - If does not collect import & duty fees during checkout, the shipping carrier will collect them prior to delivery.

· · · RETURNS · · ·

• Your complete shopping satisfaction is our #1 priority. If an item you ordered from us does not meet your expectations, please contact us within 30 days of receiving the item(s). If your order arrives damaged from shipping please contact us and we will provide a prepaid return label to send back for a replacement or refund.

• Returned items must be in the original packaging (including plastic wrapped items) and in brand new condition.
• Any returns received installed, mounted, used or missing components will be subject to return fee\'s.

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