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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.
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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