OE Quality
60-Day Returns

Denso 221-9031 Radiator
Overview of the Denso Radiator for Ford Focus
The Denso 221-9031 radiator is engineered specifically for Ford Focus models, providing reliable cooling performance. Designed with precise core dimensions and inlet/outlet diameters, this radiator ensures efficient heat dissipation to maintain optimal engine temperature.
- Core Height: 26.4567 inches
- Core Width: 13.7008 inches
- Core Thickness: 0.6299 inches
- Inlet Diameter: 1.3386 inches
- Outlet Diameter: 1.3386 inches
- Transmission Oil Cooler: Not included
Detailed Radiator Specifications
The Denso 221-9031 radiator features a core height of 26.4567 inches and a core width of 13.7008 inches, providing a substantial surface area for effective cooling. The core thickness of 0.6299 inches balances durability with efficient heat transfer. Both the inlet and outlet diameters measure 1.3386 inches, ensuring compatibility with the Ford Focus cooling system plumbing. This radiator does not include a transmission oil cooler, focusing solely on engine coolant circulation.
Compatible Vehicles and Applications
This radiator is compatible with Ford Focus models, designed to meet the specific cooling requirements of this vehicle. It is suitable for replacing worn or damaged radiators to restore proper engine temperature regulation.
- Overheating issues due to radiator leaks or blockages
- Coolant loss from damaged radiator cores
- Reduced cooling efficiency from corrosion or clogging
- Physical damage from road debris or accidents
- Preventative maintenance to avoid engine overheating
Installation Notes and Tips
When installing the Denso 221-9031 radiator, ensure all hoses and clamps are securely connected to the 1.3386-inch inlet and outlet ports. Verify that the radiator mounts align properly with the Ford Focus chassis. It is recommended to flush the cooling system before installation to remove any debris or contaminants. Proper coolant mixture and bleeding of air pockets will help maintain optimal cooling performance.
Quality Assurance and Warranty
Denso radiators are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using the Denso 221-9031 radiator helps ensure reliable cooling system operation for your Ford Focus.
| Brand | Denso |
| Part Number | 221-9031 |
| Core Height | 26.4567 |
| Core Thickness | 0.6299 |
| Core Width | 13.7008 |
| Transmission Oil Cooler Included | No |
| Inlet Diameter | 1.3386 |
| Outlet Diameter | 1.3386 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Ford | Focus | FLEX | N/A | |
| 2018 | Ford | Focus | N/A | ||
| 2017 | Ford | Focus | FLEX | N/A | |
| 2017 | Ford | Focus | N/A | ||
| 2016 | Ford | Focus | N/A | ||
| 2015 | Ford | Focus | N/A | ||
| 2014 | Ford | Focus | N/A | ||
| 2013 | Ford | Focus | N/A | ||
| 2012 | Ford | Focus | N/A |
* 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.