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CSF 3872 Radiator
| Brand | CSF 3872 |
|---|---|
| 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) | 26 1/8 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 23 3/4 |
| Hazardous Material | No |
| Inlet Length (in) | 19 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | 14 9/16 (high-efficiency plate type) |
| Outlet Length (in) | 19 |
| Outlet Width (in) | 1 9/16 |
| Tech Note | O.e.m. style plastic tanks & aluminum core with quick-connect out |
| Fits | Kia · 5 vehicles |
OE-style design. Plastic tanks and an aluminum core with a quick-connect outlet pipe.
Cross-flow construction. Promotes efficient coolant flow through the radiator core.
Integrated oil cooler. High-efficiency plate-type cooler adds extra thermal management.
Cross-references BBB Industries 13604, 25310C1250 and KI3010165 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
CSF 3872 Radiator for Kia Optima
The CSF 3872 radiator is an OE-style replacement built for 2016-2020 Kia Optima applications. It uses an aluminum core with plastic tanks and a cross-flow layout to match factory-style cooling system packaging and hose routing.
- OE-style radiator design for 2016-2020 Kia Optima fitment
- Aluminum core with plastic tanks
- Cross-flow construction with 1-row core
- Inlet diameter: 1 3/8 left; outlet diameter: 1 3/8 right
- Integrated high-efficiency plate-type oil cooler
- Quick-connect outlet pipe per tech note
- Core thickness: 7/8 in.
Fitment and Construction
Built around a 18 5/16 in. core width and 18 5/16 in. core length, this radiator is configured for direct replacement use in the Kia Optima cooling system. The CSF 3872 part number is also referenced by BBB Industries 13604 and cross-references 25310C1250 and KI3010165 for the same application.
Fits 2016-2020 Kia Optima, N/A.
Common Cooling System Issues
- Cracked or leaking radiator tanks
- Restricted coolant flow from an aging core
- Transmission or engine cooling performance loss tied to radiator wear
- Damaged inlet or outlet connections
- Fitment problems from non-OE-style replacement parts
Installation Notes
Verify inlet and outlet orientation before installation: inlet is on the left and outlet is on the right. This radiator uses plastic tanks, an aluminum core, and a quick-connect outlet pipe, so transfer any vehicle-specific components required by the application and confirm all hose and connector engagement before refilling the system.
Quality Assurance
CSF manufactures cooling components to OE-style specifications for direct-fit replacement use. The CSF 3872 radiator is built with an aluminum core, plastic tanks, and an integrated plate-type oil cooler to match the factory-style configuration used on the Kia Optima platform.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Kia | Optima | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Kia | Optima | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2018 | Kia | Optima | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Kia | Optima | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2016 | Kia | Optima | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
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