OE Quality
60-Day Returns

CSF 3511 Radiator
Overview of CSF 3511 Radiator for Ford Flex and Lincoln MKT
The CSF 3511 radiator is designed specifically for Ford Flex and Lincoln MKT models, providing reliable cooling performance. Featuring a 1 row plastic tank aluminum core construction, this radiator balances durability and efficient heat dissipation for your vehicle's cooling system.
- Core Thickness: 7/8 inch
- Core Width: 19 inches
- Core Length: 28 3/4 inches
- Core Material: Aluminum
- Tank Material: Plastic
- Inlet Diameter: 1 1/2 & 1 1/16 inches (right side)
- Outlet Diameter: 1 1/2 inches (left side)
- Cross flow design for optimized coolant flow
- Single core row configuration
- Cap not included
Details on the 1 Row Plastic Tank Aluminum Core Product Line
The CSF 1 Row Plastic Tank Aluminum Core product line combines OEM-style plastic tanks with a durable aluminum core. This design offers a balance of lightweight construction and effective heat transfer, suitable for vehicles requiring a single-row radiator configuration. The plastic tanks help reduce weight and resist corrosion, while the aluminum core ensures efficient cooling performance.
Technical Description of CSF Part Number 3511
This radiator features a 7/8 inch thick aluminum core measuring 19 inches wide and 28 3/4 inches long, optimized for cross flow coolant movement. The plastic tanks are engineered to OEM specifications, ensuring compatibility and reliable fitment with Ford Flex and Lincoln MKT models. The inlet and outlet diameters are precisely sized at 1 1/2 inches and 1 1/16 inches on the right side inlet, and 1 1/2 inches on the left side outlet, facilitating proper hose connections. The single core row design supports efficient heat exchange while maintaining a compact profile.
Common Applications and Issues Addressed
- Replacement for leaking or damaged radiators in Ford Flex and Lincoln MKT vehicles
- Resolves overheating caused by clogged or inefficient radiator cores
- Addresses coolant flow restrictions due to radiator core damage
- Restores proper engine temperature regulation for improved performance
- Suitable for vehicles requiring OEM-style plastic tank and aluminum core radiators
Installation Notes and Tips
Ensure compatibility with your specific Ford Flex or Lincoln MKT model year before installation. Verify hose diameters match the inlet and outlet sizes of 1 1/2 inches and 1 1/16 inches as specified. Since the radiator does not include a cap, reuse the existing cap or purchase separately. Properly bleed the cooling system after installation to prevent air pockets and ensure optimal performance.
Quality Assurance and Warranty Information
The CSF 3511 radiator is manufactured to meet OEM standards for fit and function. It is constructed with corrosion-resistant aluminum core and durable plastic tanks to provide long service life. While specific warranty details are not provided, CSF products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | CSF |
| Part Number | 3511 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Core Thickness | 7/8 |
| Core Width | 19 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 28 3/4 |
| Inlet Diameter | 1 1/2 & 1 1/16 right |
| Outlet Diameter | 1 1/2 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 11/16 |
| Box Length (in) | 35 15/16 |
| Box Weight (lbs) | 12 |
| Box Width (in) | 23 3/4 |
| Hazardous Material | No |
| Inlet Length (in) | 19 1/2 |
| Inlet Width (in) | 1 1/2 |
| Outlet Length (in) | 19 1/2 |
| Outlet Width (in) | 1 1/2 |
| Tech Note | O.e.m. style plastic tanks & aluminum core. |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Ford | Flex | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2012 | Lincoln | MKT | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Ford | Flex | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Lincoln | MKT | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2010 | Ford | Flex | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2010 | Lincoln | MKT | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.