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CSF 3541 Radiator
| Brand | CSF 3541 |
|---|---|
| Core Thickness | 5/8 |
| Core Width | 28 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 14 7/8 |
| Inlet Diameter | 1 3/8 left |
| Outlet Diameter | 1 3/8 left |
| Down Flow Or Cross Flow Type | Down flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 4/16 |
| Box Length (in) | 32 5/8 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 21 15/16 |
| Csf Cap Number | 4540 |
| Hazardous Material | No |
| Inlet Length (in) | 29 1/2 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 13 3/4 (high-effeciency concentric type) |
| Outlet Length (in) | 29 1/2 |
| 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 | Mazda · 3 vehicles |
OE-style construction. Plastic tanks and an aluminum core match the original design.
Down-flow design. Promotes efficient coolant circulation through the radiator.
Wind tunnel tested. Validated for cooling performance in laboratory testing.
Cross-references APDI 8013389, BBB Industries 13389 and L5A3-15-200A for the same application. See all 5.
OE-Style Radiator for Mazda 6
CSF 3541 is an OE-style radiator built with a plastic tank and aluminum core for the 2011-2013 Mazda 6. It uses a down-flow design with left-side 1 3/8 in. inlet and outlet connections to match the listed application.
The CSF 1 Row Plastic Tank Aluminum Core line focuses on factory-style fitment and cooling performance. CSF manufactures a wide range of radiator applications, and this design reflects that OE replacement approach for Mazda 6 cooling system service.
- Fits 2011-2013 Mazda 6, N/A
- 1-row down-flow radiator design
- Plastic tank and aluminum core construction
- Core thickness: 5/8 in.
- Core size: 28 11/16 in. wide x 14 7/8 in. long
- Left-side inlet and outlet: 1 3/8 in.
- Oil cooler section: 13 3/4 in. high-efficiency concentric type
- Cap not included
Detailed Product Overview
CSF part number 3541 is engineered as a direct-fit radiator for the 2011-2013 Mazda 6. The OE-style plastic tank and aluminum core construction supports factory-style cooling system service, while the down-flow layout and listed hose connections help maintain the original radiator configuration. This radiator is a practical choice when replacing a leaking, clogged, or damaged unit on a Mazda 6 equipped with the specified dimensions and connection points. Cross-reference part numbers include APDI 8013389 and BBB Industries 13389 for the same application.
Common Cooling System Issues It Can Address
- Coolant leaks from cracked tanks or aged seams
- Restricted coolant flow from internal corrosion or sediment buildup
- Overheating caused by reduced radiator efficiency
- Physical damage to the core from road debris or impact
- Cooling performance loss from a failing integrated oil cooler section
Installation Notes and Tips
Verify core dimensions, inlet and outlet orientation, and oil cooler configuration before installation on the Mazda 6. Inspect hoses, clamps, and surrounding cooling system components during replacement, and confirm the radiator cap specification separately since a cap is not included. Proper system bleeding and coolant refill procedures help restore stable operating temperatures after service.
Quality Assurance
CSF states that its radiators are manufactured to high-performance standards, tested for cooling validation in laboratory wind-tunnel conditions, and produced in ISO/TSO-certified facilities. Part number 3541 reflects that OE-style engineering approach for Mazda 6 cooling system replacement.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mazda | 6 | 2.5L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2012 | Mazda | 6 | 2.5L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Mazda | 6 | 2.5L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
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