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CSF 3703 Radiator
Overview of CSF 1 Row Plastic Tank Aluminum Core Radiator
The CSF 1 Row Plastic Tank Aluminum Core Radiator (Part Number 3703) is designed specifically for Toyota RAV4 models. This radiator features a durable aluminum core combined with OE-style plastic tanks, providing reliable cooling performance for your vehicle.
- Core Thickness: 7/8 inch
- Core Width: 15 7/8 inches
- Core Length: 26 3/8 inches
- Aluminum core with plastic tanks
- Cross flow design for efficient heat dissipation
- Inlet and outlet diameter: 1 1/2 inches (left inlet, right outlet)
- Single core row configuration
- Cap not included
Detailed Product Description
This radiator from CSF’s 1 Row Plastic Tank Aluminum Core line combines a lightweight aluminum core with plastic tanks that match original equipment manufacturer (OEM) specifications. The cross flow design enhances coolant flow across the core, improving heat exchange efficiency. With a core thickness of 7/8 inch and a single core row, this radiator balances cooling capacity with compact size, making it suitable for the Toyota RAV4’s engine bay. The inlet and outlet diameters are both 1 1/2 inches, positioned on the left and right sides respectively, ensuring compatibility with factory hose connections.
Applications and Common Issues Addressed
- Replacement for leaking or cracked radiators in Toyota RAV4 vehicles
- Resolves overheating caused by clogged or damaged radiator cores
- Restores proper coolant flow with OEM-style plastic tanks and aluminum core
- Addresses coolant leaks from worn or damaged inlet/outlet connections
- Improves engine cooling efficiency in older or high-mileage RAV4 models
Installation Notes and Tips
- Ensure compatibility with Toyota RAV4 model year before installation
- Inspect and replace radiator hoses if worn or damaged during installation
- Use proper coolant type recommended by Toyota for optimal performance
- Verify inlet and outlet hose connections match the 1 1/2 inch diameter specifications
- Bleed the cooling system after installation to remove air pockets
Quality Assurance and Warranty
The CSF 1 Row Plastic Tank Aluminum Core Radiator (Part Number 3703) is manufactured to meet OEM standards, ensuring reliable fit and function for Toyota RAV4 vehicles. The radiator is constructed with corrosion-resistant aluminum and durable plastic tanks to provide long service life. While a cap is not included, the radiator core and tanks are designed for direct replacement. Warranty details should be confirmed with the distributor or manufacturer.
| Brand | CSF |
| Part Number | 3703 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 4 7/8 |
| Box Length (in) | 32 7/16 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 19 3/16 |
| Cap Included | No |
| Core Length | 26 3/8 |
| Core Material | Aluminum |
| Core Thickness | 7/8 |
| Core Width | 15 7/8 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 1/2 Left |
| Inlet Length (in) | 16 9/16 |
| Inlet Width (in) | 1 3/8 |
| Outlet Diameter | 1 1/2 Right |
| Outlet Length (in) | 16 9/16 |
| Outlet Width (in) | 1 3/8 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Toyota | RAV4 | 2.5L | L4 | N/A | Japan Built; 1 Row Plastic Tank Aluminum Core |
| 2017 | Toyota | RAV4 | 2.5L | L4 | N/A | Japan Built; 1 Row Plastic Tank Aluminum Core |
| 2016 | Toyota | RAV4 | 2.5L | L4 | N/A | Japan Built; 1 Row Plastic Tank Aluminum Core |
| 2015 | Toyota | RAV4 | 2.5L | L4 | N/A | w/o Towing Pkg; 1 Row Plastic Tank Aluminum Core |
| 2014 | Toyota | RAV4 | 2.5L | L4 | N/A | w/o Towing Pkg; 1 Row Plastic Tank Aluminum Core |
| 2013 | Toyota | RAV4 | 2.5L | L4 | N/A | w/o Towing Pkg; 1 Row Plastic Tank Aluminum Core |
| 2012 | Toyota | RAV4 | 2.5L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2011 | Toyota | RAV4 | 2.5L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2010 | Toyota | RAV4 | 2.5L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2009 | Toyota | RAV4 | 2.5L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2008 | Toyota | RAV4 | 2.4L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2007 | Toyota | RAV4 | 2.4L | L4 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2006 | Toyota | RAV4 | 2.4L | L4 | N/A | 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.