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CSF 3791 Radiator
Overview of CSF 1 Row Plastic Tank Aluminum Core Radiator
The CSF 1 Row Plastic Tank Aluminum Core Radiator (Part Number 3791) is engineered for reliable cooling performance in Kia Sorento vehicles. Designed with a durable aluminum core and plastic tanks, this radiator supports efficient heat dissipation and long-term durability.
- Core Thickness: 7/8 inch
- Core Width: 18 5/16 inches
- Core Length: 26 7/16 inches
- Aluminum core with plastic tanks
- Cross flow design for optimized coolant flow
- Inlet and outlet diameter: 1 3/8 inches (right inlet, left outlet)
- Includes high-efficiency plate type oil cooler (14 9/16 inches)
- Compatible with Kia Sorento models
- Part Number: 3791
Product Line Details: 1 Row Plastic Tank Aluminum Core
The CSF 1 Row Plastic Tank Aluminum Core product line features radiators constructed with an aluminum core paired with OE-style plastic tanks. This combination balances lightweight design with effective heat transfer, making it suitable for vehicles requiring reliable cooling solutions without added bulk. The single-row core design supports efficient cooling in applications like the Kia Sorento, where space and performance are key considerations.
Technical Description and Specifications
This radiator features a 7/8 inch thick aluminum core measuring 18 5/16 inches wide and 26 7/16 inches long, providing a solid surface area for heat exchange. The cross flow configuration enhances coolant circulation by directing flow horizontally through the core, improving thermal efficiency. The inlet and outlet ports both measure 1 3/8 inches in diameter, positioned on the right and left sides respectively, facilitating straightforward hose connections. Additionally, the integrated 14 9/16 inch high-efficiency plate type oil cooler supports engine oil temperature regulation, contributing to overall engine performance and longevity.
Applications and Problem Solving
- Replaces worn or leaking radiators in Kia Sorento vehicles
- Addresses overheating issues caused by inefficient cooling
- Restores proper coolant flow with cross flow design
- Supports engine oil cooling to prevent overheating
- Suitable for vehicles requiring OEM-style plastic tanks and aluminum core
Installation Notes and Tips
Ensure compatibility with your Kia Sorento model before installation. The radiator’s inlet and outlet diameters are 1 3/8 inches, so verify hose sizes for a proper fit. The cross flow design requires correct orientation during installation to maintain optimal coolant flow. This radiator does not include a cap; use the CSF cap number 4503 if a replacement cap is needed. Handle the plastic tanks carefully to avoid damage during installation.
Quality Assurance and Warranty
CSF radiators are manufactured to meet OEM specifications, ensuring reliable performance and durability. This radiator is constructed without hazardous materials and is designed for long service life. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | CSF |
| Part Number | 3791 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Core Thickness | 7/8 |
| Core Width | 18 5/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 26 7/16 |
| Inlet Diameter | 1 3/8 right |
| Outlet Diameter | 1 3/8 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 6 7/8 |
| Box Length (in) | 35 3/8 |
| Box Weight (lbs) | 13 |
| Box Width (in) | 25 1/8 |
| Csf Cap Number | 4503 |
| 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. |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Kia | Sorento | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | |
| 2019 | Kia | Sorento | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core | |
| 2018 | Kia | Sorento | Automatic | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2018 | Kia | Sorento | Automatic | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2017 | Kia | Sorento | Automatic | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2017 | Kia | Sorento | Automatic | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2016 | Kia | Sorento | Automatic | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2016 | Kia | Sorento | Automatic | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
* 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.