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CSF 3885 Radiator
| Brand | CSF 3885 |
|---|---|
| Core Thickness | 7/8 |
| Core Width | 18 5/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 18 5/16 |
| Inlet Diameter | 1 3/8 left |
| Outlet Diameter | 1 3/8 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 6 5/8 |
| Box Length (in) | 24 15/16 |
| Box Weight (lbs) | 8 |
| Box Width (in) | 23 3/4 |
| Hazardous Material | No |
| Inlet Length (in) | 19 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 19 |
| Outlet Width (in) | 1 9/16 |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
| Fits | Kia · 5 vehicles |
OEM-style design. Plastic tanks and an aluminum core match the original construction.
Cross-flow layout. Promotes efficient coolant flow through the radiator.
Single-row core. Helps keep the radiator compact and lightweight.
Cross-references Continental 13605, Partslink Numbering System KI3010164 and Spectra Premium CU13605 for the same application. See all 4.
OE-Style Cooling for Kia Optima
The CSF 3885 radiator is an OE-style replacement built with an aluminum core and plastic tanks for the 2016-2020 Kia Optima. It uses a cross-flow design with left-side inlet and right-side outlet placement to match the original cooling layout.
Built around the factory-style dimensions, this radiator supports direct replacement service for Kia Optima cooling system repairs. The CSF 3885 is a practical choice when you need a radiator that follows the original fitment and connection layout.
Key Features
- OE-style plastic tank and aluminum core construction
- Cross-flow radiator design
- Single-row core configuration
- Core size: 18 5/16 in. x 18 5/16 in. with 7/8 in. thickness
- Inlet diameter: 1 3/8 in. left
- Outlet diameter: 1 3/8 in. right
- No radiator cap included
- No engine oil cooler provision
Detailed Description
CSF part number 3885 is a radiator engineered to match the OE-style layout used on the 2016-2020 Kia Optima. Its aluminum core helps transfer heat efficiently, while the plastic tank construction follows the factory-style design noted in the product specifications. With a cross-flow configuration and left inlet/right outlet routing, this radiator aligns with the original hose and mounting arrangement for straightforward service work. If you are replacing a leaking, damaged, or restricted radiator on a Kia Optima, CSF 3885 provides the correct form factor for the listed application. This part cross-references Spectra Premium CU13605 for the same application.
What It Helps Address
- Coolant leaks from a cracked or aging radiator tank
- Overheating caused by restricted coolant flow
- Corrosion or damage in the original radiator core
- Fitment issues when replacing a factory-style Kia Optima radiator
- Cooling system service after radiator failure
Installation Notes and Tips
Fits 2016-2020 Kia Optima, N/A. Verify inlet and outlet orientation, core dimensions, and hose connection sizes before installation. Transfer any vehicle-specific components from the original radiator as needed, and inspect hoses, clamps, and coolant condition during replacement. Proper system bleeding and refill procedures should be followed after installation to help restore normal cooling performance.
Quality Assurance
CSF is known for OE-style cooling components, and part number 3885 follows the factory-style plastic tank and aluminum core construction specified for this application. Confirmed fitment includes 2016-2020 Kia Optima coverage.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Kia | Optima | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Kia | Optima | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2018 | Kia | Optima | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Kia | Optima | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2016 | Kia | Optima | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
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