Part #: 3939

CSF 3939 Radiator

⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Corsair and Escape
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF Radiator Part 3939 for Ford and Lincoln

The CSF radiator part number 3939 is designed specifically for Ford Corsair and Lincoln Escape models. Featuring a durable aluminum core and plastic tanks, this radiator ensures efficient engine cooling and reliable performance under various driving conditions.

  • Core thickness: 7/8 inch for optimal heat dissipation
  • Core width: 21 inches, core length: 26 1/2 inches
  • Aluminum core material combined with plastic tanks for durability and weight reduction
  • Cross flow design enhances coolant flow and cooling efficiency
  • Inlet and outlet diameters both 1 3/8 inches, positioned left and right respectively
  • Single-row core construction for effective cooling
  • Box dimensions: 33 13/16 inches length, 24 3/4 inches width, 6 1/4 inches height
  • Lightweight design at 11 lbs, facilitating easier handling and installation

Detailed Radiator Specifications and Features

This CSF radiator (part number 3939) incorporates an OEM-style plastic tank paired with a robust aluminum core, providing a balance of strength and corrosion resistance. The cross flow core design allows coolant to move horizontally across the radiator, improving heat exchange efficiency for Ford Corsair and Lincoln Escape vehicles. The inlet and outlet ports, each measuring 1 3/8 inches in diameter and positioned on opposite sides, support optimal coolant circulation. With a core thickness of 7/8 inch and a single-row configuration, this radiator is engineered to maintain proper engine temperature under normal and demanding conditions.

Applications and Common Cooling Issues Addressed

  • Replacement for leaking or damaged radiators in Ford Corsair and Lincoln Escape models
  • Resolves overheating caused by clogged or inefficient radiator cores
  • Addresses coolant flow restrictions due to worn or corroded tanks
  • Improves engine cooling performance in vehicles with OEM-style radiator setups
  • Suitable for restoring proper cooling system function after radiator failure

Installation Notes and Tips

When installing the CSF radiator part 3939, ensure compatibility with your Ford Corsair or Lincoln Escape by verifying inlet and outlet positions and diameters. The lightweight design at 11 lbs facilitates handling during installation. Use appropriate coolant and follow manufacturer torque specifications for hose clamps and mounting hardware. Inspect surrounding cooling system components for wear or damage to maintain overall system integrity.

Quality Assurance and Warranty Information

CSF radiators are manufactured to meet OEM standards, featuring high-quality aluminum cores and durable plastic tanks. This radiator does not contain hazardous materials and is designed for long-term reliability. While specific warranty details are not provided here, CSF products typically come with manufacturer-backed warranties to ensure customer confidence and product performance.

BrandCSF
Part Number3939
Core Thickness7/8
Core Width21
Core MaterialAluminum
Tank MaterialPlastic
Core Length26 1/2
Inlet Diameter1 3/8 left
Outlet Diameter1 3/8 right
Down Flow Or Cross Flow TypeCross flow
Box Height (in)6 1/4
Box Length (in)33 13/16
Box Weight (lbs)11
Box Width (in)24 3/4
Hazardous MaterialNo
Inlet Length (in)21 3/4
Inlet Width (in)1 5/8
No. Of Rows1
Oil Cooler (in)No
Outlet Length (in)21 3/4
Outlet Width (in)1 5/8
Radiator Cap SuppliedNo
Tech NoteO.e.m. style plastic tank & aluminum core.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025FordEscape2.0LL4N/Aw/ Towing Package
2025LincolnCorsair2.0LL4N/A
2024FordEscape2.0LL4N/Aw/ Towing Package
2024LincolnCorsair2.5LL4PLUG-IN HYBRID EV-GAS (PHEV)N/A
2023FordEscape2.0LL4N/Aw/ Towing Package
2023LincolnCorsair2.0LL4N/A
2022FordEscape2.0LL4N/AUpgraded Model
2022LincolnCorsair2.3LL4N/A
2021FordEscape2.0LL4N/AUpgraded Model
2021LincolnCorsair2.5LL4PLUG-IN HYBRID EV-GAS (PHEV)N/A
2020FordEscape2.0LL4N/A
2020LincolnCorsair2.3LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13901LX6Z 8005 BLX6Z 8005 FLX6Z 8005 MLX6Z 8005 Q

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.