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Denso 221-9449 Radiator
Overview of Denso Radiator 221-9449 for Mazda 3
The Denso radiator part number 221-9449 is designed specifically for the Mazda 3, providing reliable cooling performance. Engineered with precise core dimensions, this radiator supports efficient heat dissipation to maintain optimal engine temperature.
- Core Height: 14.7638 inches
- Core Width: 29.7480 inches
- Core Thickness: 0.6299 inches
- Inlet Diameter: 1.3125 inches
- Outlet Diameter: 1.3125 inches
- Transmission Oil Cooler: Not included
Detailed Radiator Specifications
This Denso radiator features a core height of approximately 14.76 inches and a width close to 29.75 inches, providing a substantial surface area for heat exchange. The core thickness of 0.63 inches ensures durability while allowing efficient coolant flow. Both the inlet and outlet diameters measure 1.3125 inches, matching the Mazda 3's cooling system connections for a secure fit. Note that this radiator does not include a transmission oil cooler, making it suitable for vehicles where a separate transmission cooler is not required.
Compatible Vehicles and Applications
- Compatible with Mazda 3 models requiring a radiator replacement
- Designed to maintain engine temperature under normal and demanding driving conditions
- Ideal for addressing overheating issues related to radiator core damage or leaks
- Suitable for replacing worn or damaged radiators to restore cooling efficiency
Installation Notes and Tips
When installing the Denso radiator 221-9449 on a Mazda 3, ensure all coolant hoses match the 1.3125-inch inlet and outlet diameters for proper sealing. Verify that the radiator mounts align with the vehicle’s frame to avoid stress on the core. It is recommended to flush the cooling system before installation to prevent contamination. Properly bleed the cooling system after installation to eliminate air pockets and ensure optimal performance.
Quality Assurance and Warranty
Denso radiators are manufactured to meet OEM specifications, ensuring compatibility and performance for the Mazda 3. While specific warranty details for part number 221-9449 are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | Denso |
| Part Number | 221-9449 |
| Core Height | 14.7638 |
| Core Thickness | 0.6299 |
| Core Width | 29.7480 |
| Transmission Oil Cooler Included | No |
| Inlet Diameter | 1.31250 |
| Outlet Diameter | 1.31250 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Mazda | 3 | N/A | Exc.Mexico Built Vehicle |
| 2017 | Mazda | 3 | N/A | Exc. Mexico Built Vehicle |
| 2016 | Mazda | 3 | N/A | Exc. Mexico Built Vehicle |
| 2015 | Mazda | 3 | N/A | Exc. Mexico Built Vehicle |
| 2014 | Mazda | 3 | N/A | Exc. Mexico Built Vehicle |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.