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CSF 3640 Radiator
Overview of CSF 3640 Radiator for Hyundai and Kia Vehicles
The CSF 3640 radiator is designed specifically for Hyundai and Kia models including the Cadenza, Optima, and Sonata. Featuring a durable aluminum core with plastic tanks, this radiator offers reliable cooling performance tailored to these vehicles' specifications.
- Core thickness: 5/8 inch
- Core width: 18 15/16 inches
- Core length: 25 1/16 inches
- Aluminum core with plastic tanks
- Cross flow design for efficient heat dissipation
- Inlet and outlet diameter: 1 3/8 inches (right inlet, left outlet)
- One core row configuration
- Includes high-efficiency concentric oil cooler (13 3/4 inches)
- Cap not included (CSF cap number 4503 compatible)
Details on the 1 Row Plastic Tank Aluminum Core Product Line
The CSF 1 Row Plastic Tank Aluminum Core line combines OEM-style plastic tanks with a robust aluminum core to provide a balance of durability and efficient cooling. This product line is engineered to meet the exact fitment and performance requirements of specific vehicle models, such as the Hyundai Sonata and Kia Optima, ensuring proper heat exchange and system compatibility.
Technical Description and Features
This radiator features a single-row aluminum core measuring 5/8 inch thick, 18 15/16 inches wide, and 25 1/16 inches long, optimized for cross flow cooling. The plastic tanks are designed to withstand typical operating conditions while reducing weight. The inlet and outlet ports are both 1 3/8 inches in diameter, positioned on the right and left sides respectively, facilitating straightforward integration with existing cooling system hoses. Additionally, the integrated high-efficiency concentric oil cooler enhances engine oil temperature regulation, contributing to overall engine performance and longevity.
Applications and Common Issues Addressed
- Replacement for leaking or damaged radiators in Hyundai Cadenza, Kia Optima, and Hyundai Sonata
- Resolves overheating caused by clogged or inefficient radiator cores
- Addresses coolant leaks from cracked plastic tanks
- Improves cooling system efficiency in vehicles with original equipment radiator failures
- Supports engine oil cooling through the integrated oil cooler
Installation Notes and Tips
Ensure compatibility with your vehicle’s make and model before installation. The CSF 3640 radiator requires connection to 1 3/8 inch inlet and outlet hoses located on the right and left sides respectively. Since the radiator does not include a cap, use a compatible CSF cap number 4503 or OEM equivalent. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.
Quality Assurance and Warranty
CSF radiators are manufactured to meet OEM specifications, using high-quality aluminum cores and durable plastic tanks. This radiator is free of hazardous materials and designed for long-term reliability. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | CSF |
| Part Number | 3640 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 7 4/16 |
| Box Length (in) | 33 |
| Box Weight (lbs) | 10 |
| Box Width (in) | 23 9/16 |
| Cap Included | No |
| Core Length | 25 1/16 |
| Core Material | Aluminum |
| Core Thickness | 5/8 |
| Core Width | 18 15/16 |
| Csf Cap Number | 4503 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 3/8 Right |
| Inlet Length (in) | 19 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | 13 3/4 (high-effeciency Concentric Type) |
| Outlet Diameter | 1 3/8 Left |
| Outlet Length (in) | 19 |
| 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 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Kia | Cadenza | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2015 | Kia | Cadenza | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2015 | Kia | Optima | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2014 | Kia | Cadenza | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2014 | Kia | Optima | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2013 | Hyundai | Sonata | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2013 | Kia | Optima | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2012 | Hyundai | Sonata | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2012 | Kia | Optima | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Hyundai | Sonata | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Kia | Optima | 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.