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CSF 3689 Radiator
| Brand | CSF 3689 |
|---|---|
| Core Thickness | 7/8 |
| Core Width | 29 7/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 19 3/4 |
| 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 1/16 |
| Box Length (in) | 32 13/16 |
| Box Weight (lbs) | 12 |
| Box Width (in) | 27 1/2 |
| Hazardous Material | No |
| Inlet Length (in) | 30 3/16 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 14 3/4 (high-effeciency concentric type) |
| Outlet Length (in) | 30 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 | Mazda · 11 vehicles |
OE-style construction. Plastic tanks and an aluminum core mirror the original design.
Wind tunnel tested. Validated for cooling performance in laboratory testing.
1-row design. A single-row core helps keep the radiator compact and efficient.
Cross-references Anchor 2986, Spectra Premium CU2986 and CY03 15 200F for the same application. See all 5.
OE-Style Cooling for Mazda CX-9
This CSF radiator is built for Mazda CX-9 applications that call for an OE-style plastic tank and aluminum core design. CSF Part Number 3689 is engineered for direct replacement use on 2007-2015 Mazda CX-9 models with the listed cooling-package configurations.
Key Features
- 1-row radiator design with an aluminum core and plastic tanks
- Down-flow construction for OE-style cooling layout
- Core thickness: 7/8 in.
- Core size: 29 7/16 in. wide x 19 3/4 in. long
- Inlet and outlet diameter: 1 3/8 in., left side
- Integrated high-efficiency concentric-type oil cooler: 14 3/4 in.
- Cap not included
- CSF Part Number 3689
Product Details
CSF 3689 follows an OEM-style radiator layout with plastic tanks and an aluminum core, making it a direct-fit cooling replacement for the Mazda CX-9. CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind-tunnel testing. This radiator is designed for 2007-2015 Mazda CX-9 models with tow package coverage, and for 2014-2015 Mazda CX-9 models without the towing package when equipped with heavy-duty cooling. This part cross-references Anchor 2986 and Spectra Premium CU2986 for the same application.
Common Problems This Radiator Can Address
- Cracked or leaking radiator tanks
- Restricted coolant flow from an aging core
- Overheating caused by reduced heat transfer
- Cooling-system wear on higher-mileage Mazda CX-9 vehicles
- Replacement needs after radiator corrosion or physical damage
Installation Notes and Tips
Verify radiator dimensions, inlet and outlet orientation, and cooling-package requirements before installation. This radiator uses a down-flow configuration with left-side inlet and outlet placement, so matching the original layout is important for proper fitment. Confirm whether the vehicle is equipped with the tow package or heavy-duty cooling before ordering CSF 3689 for a Mazda CX-9.
Quality Assurance
CSF radiators are manufactured in ISO/TSO-certified facilities and built to validated cooling-performance standards. With more than 30 million units sold worldwide and over 10,000 radiator models produced, CSF has broad application coverage across many vehicle platforms, including Mazda CX-9 cooling replacements.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2015 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/o Towing Pkg; Heavy Duty Cooling; 1 Row Plastic Tank Aluminum Core |
| 2014 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2014 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/o Towing Pkg; Heavy Duty Cooling; 1 Row Plastic Tank Aluminum Core |
| 2013 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2012 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2011 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2010 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2009 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2008 | Mazda | CX-9 | 3.7L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| 2007 | Mazda | CX-9 | 3.5L | V6 | N/A | OE Style Design; w/ Tow Package; 1 Row Plastic Tank Aluminum Core |
| No rows match your filter. | ||||||