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CSF 3968 Radiator
| Brand | CSF 3968 |
|---|---|
| Core Thickness | 5/8 |
| Core Width | 17 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 26 9/16 |
| Inlet Diameter | 1 5/16 right |
| Outlet Diameter | 1 5/16 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Box Height (in) | 5 7/8 |
| Box Length (in) | 34 3/16 |
| Box Weight (lbs) | 8 |
| Box Width (in) | 21 3/16 |
| Hazardous Material | No |
| Inlet Length (in) | 17 7/16 |
| Inlet Width (in) | 1 3/8 |
| No. Of Rows | 1 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 17 7/16 |
| Outlet Width (in) | 1 3/8 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core. upgraded heavy duty co |
| Fits | Mazda · 4 vehicles |
OE-style design. Plastic tank and aluminum core construction for a direct-fit radiator replacement.
Heavy-duty core. 46% thicker than OEM for improved cooling performance.
Cross-flow layout. Engineered for efficient airflow through the radiator core.
Cross-references BBB Industries 13998 and PAF4-15-200A for the same application. See all 2.
CSF 3968 Radiator for Mazda 3 and CX-30
CSF radiator part number 3968 is an OE-style replacement built with an aluminum core and plastic tanks for direct-fit cooling service. It is engineered for the 2022-2023 Mazda 3 and 2022-2023 Mazda CX-30, with an upgraded heavy-duty core that measures 15.5 mm thick versus the OEM 11 mm design.
Key Features
- Aluminum core with plastic tank construction
- Cross-flow radiator design
- Single-row core layout
- Core thickness: 5/8 in.
- Core dimensions: 17 in. wide x 26 9/16 in. long
- Inlet and outlet sizes: 1 5/16 in., right inlet and left outlet
- Upgraded heavy-duty core for increased thickness over OEM
- CSF part number 3968 for direct identification
Detailed Description
CSF 3968 is a replacement radiator designed for modern Mazda cooling-system service, including the 2022-2023 Mazda 3 and 2022-2023 Mazda CX-30. It uses an OE-style plastic tank and aluminum core layout, with a cross-flow configuration and single-row construction to match the original packaging while adding a thicker heavy-duty core. CSF states its radiators are engineered to performance standards and validated through wind-tunnel testing, supporting consistent cooling performance across a wide range of vehicle applications. This part cross-references BBB Industries 13998 and PAF4-15-200A for the same application.
What It Helps Address
- Coolant temperature rise from a worn or restricted radiator
- Leaks caused by aging plastic tanks or core fatigue
- Reduced heat rejection from a damaged or inefficient core
- Fitment issues when replacing the original Mazda 3 or CX-30 radiator
- Cooling-system service needs after radiator failure or contamination
Installation Notes and Tips
Verify inlet and outlet orientation before installation: this radiator uses a right-side inlet and left-side outlet. Confirm core dimensions, hose connection size, and vehicle application against the original unit before removal. For best results, inspect hoses, clamps, and coolant condition during radiator replacement on the Mazda 3 or Mazda CX-30.
Quality Assurance
CSF manufactures radiators in ISO/TSO-certified facilities and has supplied cooling products worldwide for more than 50 years. Part number 3968 is built to CSF’s performance-focused standards and is backed by the brand’s long-running radiator manufacturing experience.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Mazda | 3 | Sedan | 2.5L | L4 | N/A | Upgraded Heavy Duty Core. 46% Thicker 15.5mm vs OEM 11mm |
| 2023 | Mazda | CX-30 | — | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 46% Thicker 15.5mm vs OEM 11mm |
| 2022 | Mazda | 3 | Sedan | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 46% Thicker 15.5mm vs OEM 11mm |
| 2022 | Mazda | CX-30 | — | 2.5L | L4 | N/A | Upgraded Heavy Duty Core. 46% Thicker 15.5mm vs OEM 11mm |
| No rows match your filter. | |||||||