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CSF 3698 Radiator
Overview of CSF 3698 Radiator for Toyota 4Runner
The CSF 3698 radiator is designed specifically for Toyota 4Runner 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 down flow configuration.
- Core thickness: 7/8 inch
- Core width: 25 5/8 inches
- Core length: 22 5/8 inches
- Aluminum core material with plastic tanks
- Inlet and outlet diameter: 1 5/16 inches (right inlet, left outlet)
- Down flow radiator type with 1 core row
- Includes high-efficiency plate type oil cooler (9 13/16 inches)
- Compatible with Toyota 4Runner vehicles
- Part number: 3698
Details on the 1 Row Plastic Tank Aluminum Core Product Line
The CSF 1 Row Plastic Tank Aluminum Core product line combines OEM-style plastic tanks with a robust aluminum core to provide a balance of durability and efficient cooling. This design supports effective heat transfer while maintaining a lightweight structure, making it suitable for Toyota 4Runner applications requiring dependable radiator performance.
Product Description and Specifications
The CSF 3698 radiator features a 7/8 inch thick aluminum core measuring 25 5/8 inches wide and 22 5/8 inches long. The plastic tanks are engineered to OEM specifications, ensuring proper fit and function. The radiator uses a down flow design with a single core row, which facilitates effective coolant flow and heat dissipation. Both the inlet and outlet have a diameter of 1 5/16 inches, positioned on the right and left sides respectively. Additionally, this radiator includes a high-efficiency plate type oil cooler measuring 9 13/16 inches, enhancing overall engine cooling performance.
Common Applications and Issues Addressed
- Replacement for leaking or damaged radiators in Toyota 4Runner vehicles
- Resolves overheating caused by inefficient or clogged radiator cores
- Addresses coolant flow restrictions due to worn or corroded tanks
- Improves engine temperature regulation in older or high-mileage 4Runners
- Supports cooling system upgrades requiring OEM-style radiator components
Installation Notes and Tips
- Ensure compatibility with Toyota 4Runner model year before installation
- Inspect and replace radiator hoses and clamps as needed during installation
- Bleed the cooling system properly to avoid air pockets after installation
- Verify inlet and outlet hose alignment with radiator ports (right inlet, left outlet)
- Use recommended coolant type and maintain proper fluid levels
Quality Assurance and Warranty
The CSF 3698 radiator is manufactured to meet OEM standards with high-quality aluminum core and plastic tank materials. It is designed to provide reliable cooling performance without hazardous materials. While specific warranty details are not provided, CSF products typically adhere to industry quality controls to ensure durability and fitment accuracy for Toyota 4Runner vehicles.
| Brand | CSF |
| Part Number | 3698 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 5 7/8 |
| Box Length (in) | 34 |
| Box Weight (lbs) | 15 |
| Box Width (in) | 29 5/8 |
| Cap Included | No |
| Core Length | 22 5/8 |
| Core Material | Aluminum |
| Core Thickness | 7/8 |
| Core Width | 25 5/8 |
| Csf Cap Number | 4514 |
| Down Flow Or Cross Flow Type | Down Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 5/16 Right |
| Inlet Length (in) | 26 7/16 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 9 13/16 (high-efficiency Plate Type) |
| Outlet Diameter | 1 5/16 Left |
| Outlet Length (in) | 26 7/16 |
| Outlet Width (in) | 1 5/8 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2023 | Toyota | 4Runner | 4.0L | V6 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2022 | Toyota | 4Runner | 4.0L | V6 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2021 | Toyota | 4Runner | 4.0L | V6 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2020 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2019 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2018 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2017 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2016 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2015 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2014 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2013 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2012 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Toyota | 4Runner | 4.0L | V6 | N/A | OE Style Design; Use Micro, 16 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.