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CSF 3491 Radiator
Overview of CSF 3491 Radiator for Kia Rio and Rio5
The CSF 3491 radiator is designed specifically for Kia Rio and Rio5 models, providing reliable engine cooling with a durable aluminum core and plastic tanks. This radiator features a single-row core construction optimized for efficient heat dissipation in down flow applications.
- Core thickness: 5/8 inch
- Core width: 25 1/2 inches
- Core length: 14 9/16 inches
- Aluminum core with plastic tanks
- Down flow radiator type
- Inlet and outlet diameter: 1 5/16 inches (left side)
- One core row for targeted cooling
- Cap not included (CSF cap number 4502 compatible)
Detailed Product Description
The CSF 3491 radiator is engineered with an aluminum core measuring 5/8 inch thick, 25 1/2 inches wide, and 14 9/16 inches long, providing a balance of lightweight construction and effective heat transfer. The plastic tanks are designed in an OEM style to ensure compatibility and durability. This radiator uses a down flow design, which directs coolant downward through the core for consistent temperature regulation. Both the inlet and outlet have a diameter of 1 5/16 inches located on the left side, matching the original equipment specifications for Kia Rio and Rio5 vehicles.
This radiator is part of the CSF 1 Row Plastic Tank Aluminum Core product line, which focuses on combining aluminum cores with plastic tanks to deliver reliable cooling performance while maintaining cost efficiency. The single-row core design is suitable for vehicles requiring moderate cooling capacity, making it a practical replacement option for the Kia Rio and Rio5.
Common Applications and Problem Solving
- Replacement for leaking or damaged radiators in Kia Rio and Rio5
- Resolves overheating issues caused by inefficient cooling
- Addresses coolant leaks from cracked plastic tanks
- Restores proper coolant flow with OEM-style inlet and outlet fittings
- Improves engine temperature regulation in down flow cooling systems
Installation Notes and Tips
- Ensure compatibility with Kia Rio and Rio5 models before installation
- Use the CSF cap number 4502 or equivalent as the cap is not included
- Inspect hoses and clamps for wear during radiator replacement
- Flush the cooling system to remove debris before installing the new radiator
- Verify inlet and outlet positions match vehicle specifications for proper fitment
Quality Assurance and Warranty
The CSF 3491 radiator is manufactured to meet OEM standards with a focus on durability and performance. The aluminum core and plastic tank construction are tested for resistance to corrosion and thermal stress. This radiator is not classified as hazardous material and is designed for straightforward installation. Warranty details should be confirmed with the distributor or manufacturer, as they may vary.
| Brand | CSF |
| Part Number | 3491 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 7 4/16 |
| Box Length (in) | 28 7/8 |
| Box Weight (lbs) | 10 |
| Box Width (in) | 22 15/16 |
| Cap Included | No |
| Core Length | 14 9/16 |
| Core Material | Aluminum |
| Core Thickness | 5/8 |
| Core Width | 25 1/2 |
| Csf Cap Number | 4502 |
| Down Flow Or Cross Flow Type | Down Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 5/16 Left |
| Inlet Length (in) | 25 3/16 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | 14 9/16 (high-effeciency Concentric Type) |
| Outlet Diameter | 1 5/16 Left |
| Outlet Length (in) | 25 3/16 |
| Outlet Width (in) | 1 9/16 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Kia | Rio | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Kia | Rio5 | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Kia | Rio | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Kia | Rio5 | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | Kia | Rio | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | Kia | Rio5 | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Kia | Rio | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Kia | Rio5 | 1.6L | L4 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Kia | Rio | 1.6L | L4 | N/A | OE Style Design; From 5/9/07; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Kia | Rio5 | 1.6L | L4 | N/A | OE Style Design; From 5/9/07; Use Mini, 13 psi Cap; 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.