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CSF 3643 Radiator
| Brand | CSF 3643 |
|---|---|
| Core Thickness | 5/8 |
| Core Width | 26 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 14 3/4 |
| Inlet Diameter | 1 1/4 left |
| Outlet Diameter | 1 1/4 left |
| Down Flow Or Cross Flow Type | Down flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 11/16 |
| Box Length (in) | 29 1/4 |
| Box Weight (lbs) | 8 |
| Box Width (in) | 20 13/16 |
| Csf Cap Number | 4514 |
| Hazardous Material | No |
| Inlet Length (in) | 27 3/16 |
| Inlet Width (in) | 1 |
| Oil Cooler (in) | 12 13/16 (high-effeciency concentric type) |
| Outlet Length (in) | 27 3/16 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tanks & aluminum core. |
| Product line | 1 Row Plastic Tank Aluminum Core |
| Fits | Acura · 3 vehicles |
OE-style construction. Plastic tanks and an aluminum core match the original design.
Down-flow design. Promotes efficient coolant flow through the radiator.
Wind tunnel tested. Engineered and validated for cooling performance.
Cross-references Global Parts Distributors LLC 13360, Spectra Premium CU13360 and 19010-R9A-A51 for the same application. See all 5.
CSF 3643 Radiator for Acura ILX
The CSF 3643 is an OE-style radiator built with a 1-row aluminum core and plastic tanks for the 2013-2015 Acura ILX. It is engineered for direct replacement service with the correct inlet and outlet layout, making it a practical choice for Acura ILX radiator replacement and cooling system repair.
Key Features
- Fits 2013-2015 Acura ILX, N/A
- 1-row down-flow radiator design
- Aluminum core with plastic tanks
- Core thickness: 5/8 in.
- Core dimensions: 26 11/16 in. wide x 14 3/4 in. long
- 1 1/4 in. left inlet and 1 1/4 in. left outlet
- Integrated high-efficiency concentric-type oil cooler: 12 13/16 in.
- OE-style plastic tank and aluminum core construction
- Part number: 3643
Product Details
CSF designs and manufactures radiators to high-performance standards, with engineering validation that includes wind tunnel testing for cooling performance. The CSF 3643 radiator follows an OE-style layout and is built for the 2013, 2014, and 2015 Acura ILX, giving technicians and owners a direct-fit cooling system replacement option. This radiator is also referenced by part number 3643 in catalog searches for Acura ILX cooling components.
Brand line: CSF’s 1 Row Plastic Tank Aluminum Core line focuses on OE-style replacement radiators that combine aluminum heat transfer with molded plastic tanks for factory-style fitment and serviceability.
This part cross-references Spectra Premium CU13360 for the same application.
Common Cooling System Issues Addressed
- Leaking radiator tanks or seams
- Restricted coolant flow from internal corrosion or clogging
- Overheating caused by reduced heat dissipation
- Damaged inlet or outlet connections
- Cooling system service needs on a 2013-2015 Acura ILX
Installation Notes and Tips
Verify inlet and outlet orientation before installation, since this radiator uses a left-side inlet and outlet configuration. Confirm the vehicle’s existing cooling system layout and inspect hoses, clamps, and coolant condition during replacement. The cap is not included, and the CSF cap number listed for this application is 4514.
Quality Assurance
CSF states that its factories are ISO/TSO certified and that its radiators are engineered for cooling performance validation. The company has supplied radiators worldwide for more than 50 years and manufactures a broad range of radiator models for leading vehicle applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Acura | ILX | 2.0L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2014 | Acura | ILX | 2.0L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2013 | Acura | ILX | 2.0L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| No rows match your filter. | ||||||