Part #: 3846

CSF 3846 Radiator

⚙️ 22 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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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Expedition, Navigator, and F-150
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Cooling Solution for Ford and Lincoln Vehicles

The CSF 3846 radiator is engineered to provide efficient cooling performance for select Ford and Lincoln models. Designed with durable materials and precise dimensions, this radiator supports optimal engine temperature management for vehicles like the Ford F-150, Expedition, and Lincoln Navigator.

  • Core thickness: 1 1/4 inches for effective heat dissipation
  • Core dimensions: 34 3/4 inches length by 17 11/16 inches width
  • Aluminum core combined with OEM-style plastic tanks
  • Cross flow design for improved coolant circulation
  • Inlet and outlet diameters: 1 1/2 inches (right inlet, left outlet)
  • Single-row radiator core for compatibility with specified models
  • Quick-connect outlet for easier installation

Detailed Radiator Specifications and Design

The CSF 3846 radiator features a 1 1/4 inch thick aluminum core that ensures efficient heat transfer while maintaining lightweight durability. The core measures 34 3/4 inches in length and 17 11/16 inches in width, providing ample surface area for cooling. The plastic tanks are designed in an OEM style, matching factory specifications for a seamless fit. This radiator uses a cross flow configuration, which enhances coolant flow across the core, improving overall cooling efficiency. The inlet and outlet ports both measure 1 1/2 inches in diameter, with the inlet positioned on the right and the outlet on the left, matching the plumbing layout of Ford Expedition, F-150, and Lincoln Navigator models. Additionally, the quick-connect outlet design simplifies installation and maintenance.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Ford Expedition
  • Ford F-150
  • Lincoln Navigator

It is designed to replace original equipment radiators that require a single-row aluminum core with plastic tanks and cross flow design. The CSF 3846 radiator is suitable for addressing common cooling system issues such as overheating, coolant leaks, and reduced cooling efficiency.

Common Issues Addressed by This Radiator

  • Engine overheating due to inefficient heat dissipation
  • Coolant leaks from damaged or cracked radiator tanks
  • Reduced coolant flow caused by clogged or corroded cores
  • Failure of original radiator components leading to poor engine performance
  • Compatibility issues with aftermarket radiators lacking OEM-style fittings

Installation Notes and Tips

  • Ensure the radiator matches the vehicle’s inlet and outlet port locations and diameters
  • Use proper coolant and follow manufacturer’s recommended filling procedures
  • Inspect hoses and clamps for wear and replace if necessary during installation
  • Verify secure connection of quick-connect outlet to prevent leaks
  • Bleed the cooling system to remove air pockets after installation

Quality Assurance and Warranty Information

The CSF 3846 radiator is manufactured to meet OEM standards, featuring high-quality aluminum core and plastic tank materials. It is designed to provide reliable cooling performance and durability under normal operating conditions. While specific warranty details may vary, CSF products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandCSF
Part Number3846
Box Height (in)8 7/16
Box Length (in)45 3/16
Box Weight (lbs)17
Box Width (in)21 3/4
Cap IncludedNo
Core Length34 3/4
Core MaterialAluminum
Core Thickness1 1/4
Core Width17 11/16
Down Flow Or Cross Flow TypeCross Flow
Hazardous MaterialNo
Inlet Diameter1 1/2 Right
Inlet Length (in)18 3/8
Inlet Width (in)1 1/2
Outlet Diameter1 1/2 Left
Outlet Length (in)18 3/8
Outlet Width (in)2 5/16
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M. style Plastic tanks & Aluminum core with quick-connect outlet pipe.

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024FordExpedition3.5LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2023FordExpedition3.5LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2022FordExpedition3.5LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2021FordExpedition3.5LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2021LincolnNavigator3.5LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2020FordExpedition3.5LV6N/AStd Duty
2020FordF-1503.3LV6N/AUpgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
2020LincolnNavigator3.5LV6N/AStd Duty
2019FordExpedition3.5LV6N/AStd Duty
2019FordF-1503.5LV6N/Aw/o Towing Pkg; w/ Towing Pkg Medium Duty
2019FordF-1505.0LV8N/A
2019FordF-1503.3LV6N/Aw/o Towing Pkg; w/ Towing Pkg Medium Duty
2019LincolnNavigator3.5LV6N/AStd Duty
2018FordExpedition3.5LV6N/AStd Duty
2018FordF-1505.0LV8N/A
2018FordF-1503.5LV6N/Aw/o Towing Pkg; w/ Towing Pkg Medium Duty
2018FordF-1503.3LV6N/Aw/o Towing Pkg; w/ Towing Pkg Medium Duty
2018LincolnNavigator3.5LV6N/AStd Duty
2017FordF-1503.5LV6N/Aw/ EcoBoost Engine; w/o Towing Pkg; w/ Towing Pkg Medium Duty
2017FordF-1505.0LV8N/Aw/ Towing Pkg Heavy Duty
2016FordF-1505.0LV8N/Aw/ Towing Pkg Heavy Duty
2015FordF-1505.0LV8N/Aw/ Towing Pkg Heavy Duty

* 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:

13698CU13510FO3010347HL3Z 8005 C

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