OE Quality
60-Day Returns

CSF 3636 Radiator
Overview of CSF 1 Row Plastic Tank Aluminum Core Radiator
The CSF 3636 radiator is designed specifically for Lexus RX350 models, offering reliable cooling performance with a durable aluminum core and plastic tanks. This radiator features a single-row core construction optimized for efficient heat dissipation in a compact design.
- Core Thickness: 7/8 inch
- Core Width: 19 inches
- Core Length: 26 9/16 inches
- Aluminum core with plastic tanks
- Cross flow design for improved coolant flow
- Inlet and outlet diameters: 1 1/2 inches (left inlet, right outlet)
- High-efficiency plate type oil cooler included (13 3/4 inches)
- OEM style plastic tanks and aluminum core construction
Detailed Product Description
The CSF 3636 radiator is part of the 1 Row Plastic Tank Aluminum Core product line, which combines lightweight plastic tanks with a robust aluminum core to provide effective engine cooling. The single-row core with a thickness of 7/8 inch and a cross flow design ensures optimal heat exchange while maintaining a compact footprint suitable for the Lexus RX350. The radiator’s inlet and outlet ports are sized at 1 1/2 inches, positioned on the left and right respectively, facilitating straightforward hose connections. Additionally, the integrated high-efficiency plate type oil cooler enhances overall cooling performance, supporting engine longevity under demanding conditions.
Applications and Problem Solving
- Replaces worn or leaking radiators in Lexus RX350 vehicles
- Addresses engine overheating issues caused by inefficient cooling
- Restores proper coolant flow with OEM style plastic tanks and aluminum core
- Improves oil cooling with the built-in high-efficiency oil cooler
- Suitable for vehicles requiring a cross flow radiator design
Installation Notes and Tips
- Compatible with Lexus RX350 models; verify fitment before installation
- Ensure proper alignment of inlet and outlet hoses (1 1/2 inch diameter)
- Check for secure mounting points to avoid vibration damage
- Use recommended coolant and follow manufacturer torque specifications
- Cap not included; use CSF cap number 4514 if replacement is needed
Quality Assurance and Warranty
The CSF 3636 radiator is manufactured to meet OEM specifications, featuring durable aluminum core construction and plastic tanks designed for longevity. This radiator is free from hazardous materials and undergoes quality control to ensure reliable performance. Warranty details should be confirmed with the supplier or manufacturer, as they may vary.
| Brand | CSF |
| Part Number | 3636 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 6 4/16 |
| Box Length (in) | 32 7/16 |
| Box Weight (lbs) | 12 |
| Box Width (in) | 22 15/16 |
| Cap Included | No |
| Core Length | 26 9/16 |
| Core Material | Aluminum |
| Core Thickness | 7/8 |
| Core Width | 19 |
| Csf Cap Number | 4514 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 1/2 Left |
| Inlet Length (in) | 19 5/8 |
| Inlet Width (in) | 1 5/16 |
| Oil Cooler (in) | 13 3/4 (high-efficiency Plate Type) |
| Outlet Diameter | 1 1/2 Right |
| Outlet Length (in) | 19 5/8 |
| Outlet Width (in) | 1 5/16 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | RX350 | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2008 | Lexus | RX350 | 3.5L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2007 | Lexus | RX350 | 3.5L | V6 | 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.