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CSF 3603 Radiator
| Brand | CSF 3603 |
|---|---|
| Core Thickness | 7/8 |
| Core Width | 18 3/8 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 19 1/8 |
| Inlet Diameter | 1 3/8 right |
| Outlet Diameter | 1 3/8 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 6 4/16 |
| Box Length (in) | 26 15/16 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 23 9/16 |
| Csf Cap Number | 4503 |
| Hazardous Material | No |
| Inlet Length (in) | 19 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | 14 9/16 (high-efficiency plate type) |
| Outlet Length (in) | 19 |
| Outlet Width (in) | 1 9/16 |
| Tech Note | O.e.m. style plastic tanks & aluminum core. |
| Product line | 1 Row Plastic Tank Aluminum Core |
| Fits | Kia · 6 vehicles |
OE-style design. Plastic tanks and an aluminum core mirror original equipment construction.
Cross-flow layout. Promotes efficient coolant flow through the radiator core.
Wind tunnel tested. Validated for cooling performance in laboratory testing.
Cross-references BBB Industries 13324, Spectra Premium CU13324 and 25310 2S200 for the same application. See all 4.
CSF 3603 Radiator for Kia Sportage
The CSF 3603 is an OE-style radiator built with a plastic tank and aluminum core for 2011-2016 Kia Sportage applications. It is engineered as a cross-flow unit with a 1-row core layout and dimensions that match the listed fitment requirements for direct replacement service.
Key Features
- OE-style plastic tank and aluminum core construction
- Cross-flow design with 1-row core
- Core thickness: 7/8 in.
- Core size: 18 3/8 in. wide x 19 1/8 in. long
- Inlet: 1 3/8 in. right side
- Outlet: 1 3/8 in. left side
- Integrated oil cooler: 14 9/16 in. high-efficiency plate type
- Cap not included
Product Details
CSF builds radiators to high-performance manufacturing standards and validates cooling performance through laboratory wind tunnel testing. The 3603 radiator follows an OEM-style layout with plastic tanks and an aluminum core, making it a direct-fit replacement for the 2011-2016 Kia Sportage. CSF’s broad radiator catalog and long production history support consistent application coverage for import cooling systems, including this Kia Sportage radiator replacement.
This part cross-references Spectra Premium CU13324 and BBB Industries 13324 for the same application.
Common Cooling System Issues
- Leaking radiator tanks or seams
- Restricted coolant flow from internal corrosion or clogging
- Overheating caused by reduced heat transfer
- Damaged inlet or outlet connections
- Failure of the integrated oil cooler circuit
Installation Notes and Tips
Verify inlet and outlet orientation before installation: inlet is on the right and outlet is on the left. Confirm the vehicle uses the listed OE-style configuration for the 2011-2016 Kia Sportage, and transfer any required cooling system components from the original assembly as needed. After installation, refill with the correct coolant mixture and bleed air from the system to restore proper circulation.
Quality Assurance
CSF manufactures radiators in ISO/TSO-certified facilities and validates designs for cooling performance before release. Part number 3603 is built to match the listed OE-style configuration for dependable replacement service on Kia Sportage cooling systems.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| 2015 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| 2014 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| 2013 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| 2012 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Kia | Sportage | 2.0L | L4 | N/A | OE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core |
| No rows match your filter. | ||||||