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Denso 221-9600 Radiator
| Brand | Denso 221-9600 |
|---|---|
| Fits | Kia · 5 vehicles |
OE experience. Built to meet strict OE standards for fit, performance, and reliability.
Radiator performance. Helps maintain proper engine cooling and function.
Durability tested. Passes rigorous function and durability checks for dependable service.
Cross-references APDI 8013603, CSF 3873 and DPI Performance Racing Products 13603 for the same application. See all 9.
Denso Radiator for Kia Optima
The Denso 221-9600 radiator is built for direct-fit cooling performance in select Kia Optima applications. It combines OE-style dimensions with an integrated transmission oil cooler to support stable engine temperature control and dependable heat exchange.
Key Features
- OE-style radiator from Denso’s Radiator line
- Core height: 18.8750 in.
- Core width: 25.0625 in.
- Core thickness: 0.6250 in.
- Inlet diameter: 1.3750 in.
- Outlet diameter: 1.3750 in.
- Transmission oil cooler included
Product Details
Denso radiators are engineered using OE supplier experience and manufacturing standards that focus on fitment, durability, and cooling efficiency. The 221-9600 follows OE-style core dimensions, tank configuration, fin pitch, and materials to match the cooling requirements of the vehicle platform. For drivers searching for a Kia Optima radiator replacement, this part number offers a direct replacement option for 2016-2020 Kia Optima models.
This part cross-references Spectra Premium CU13603 and CSF 3873 for the same application.
What This Radiator Helps Address
- Engine overheating caused by reduced coolant flow or heat transfer
- Coolant leaks from a damaged or aging radiator assembly
- Transmission fluid temperature management when the factory cooler is used
- Cooling system performance loss from corrosion, clogging, or impact damage
- Fitment issues when replacing an OE-style Kia Optima radiator
Installation Notes and Tips
Verify inlet and outlet sizing, core dimensions, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts securely in the factory location. After installation, refill with the correct coolant mixture and bleed air from the system according to vehicle service procedures.
Compatible With 2016-2019 Kia Optima and 2020 Kia Optima, this Denso 221-9600 radiator is a practical replacement for OE-style cooling service.
Quality Assurance
Denso states that its radiators are built to meet OE manufacturer standards and undergo durability and function testing before release. That OE-focused process supports consistent fitment and reliable cooling performance in demanding driving conditions.
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2020 | Kia | Optima | — | N/A | Radiator |
| 2019 | Kia | Optima | — | N/A | — |
| 2018 | Kia | Optima | — | N/A | — |
| 2017 | Kia | Optima | — | N/A | — |
| 2016 | Kia | Optima | GAS | N/A | — |
| No rows match your filter. | |||||