/live/media/C3/C3_3637_Fro.jpg)
CSF 3637 Radiator
| Brand | CSF 3637 |
|---|---|
| Box Height (in) | 6 4/16 |
| Box Length (in) | 32 |
| Box Weight (lbs) | 11 |
| Box Width (in) | 21 15/16 |
| Cap Included | No |
| Core Length | 26 9/16 |
| Core Material | Aluminum |
| Core Thickness | 7/8 |
| Core Width | 19 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 3/8 Right |
| 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 Left |
| 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. |
| Product line | 1 Row Plastic Tank Aluminum Core |
| Fits | Toyota · 2 vehicles |
OE-style construction. Plastic tanks and an aluminum core match the original design.
Cross-flow design. Promotes efficient coolant flow for consistent cooling performance.
Wind tunnel tested. Validated in lab testing for cooling performance.
Cross-references Anchor 2925, APDI 8012925 and Spectra Premium CU2925 for the same application. See all 5.
OE-Style Cooling for Toyota Sienna
CSF 3637 is a direct-fit radiator built with an OE-style plastic tank and aluminum core layout for the 2005-2006 Toyota Sienna. It is engineered as a cross flow radiator with a 1-row core to match the factory-style cooling package and maintain proper engine temperature control.
The CSF 1 Row Plastic Tank Aluminum Core line focuses on OE-style construction, using materials and dimensions that align with original equipment fitment. For shoppers searching for a 2005 Toyota Sienna radiator or a 2006 Toyota Sienna radiator replacement, CSF 3637 provides a straightforward match for the listed applications.
Key Features
- Part number: 3637
- OE-style plastic tank and aluminum core construction
- Cross flow design with 1-row core
- Core thickness: 7/8 in.
- Core dimensions: 19 in. wide x 26 9/16 in. long
- Inlet: 1 3/8 in. right side
- Outlet: 1 1/2 in. left side
- High-efficiency plate-type oil cooler: 13 3/4 in.
- Cap not included
- Fits 2005 Toyota Sienna, N/A; from 9/05
- Fits 2006 Toyota Sienna, N/A
Product Details
CSF designs and manufactures radiators to performance-focused standards, with engineering validation that includes wind tunnel testing and broad application coverage across many vehicle platforms. CSF 3637 follows that approach with an OE-style plastic tank and aluminum core configuration intended to match the factory cooling system layout on the Toyota Sienna. This radiator is a practical choice for drivers replacing a worn or leaking unit on a 2005-2006 Toyota Sienna.
This part cross-references Spectra Premium CU2925 for the same application.
Common Cooling Issues It Can Address
- Coolant leaks from aging radiator tanks or seams
- Overheating caused by reduced heat transfer efficiency
- Cracked or brittle plastic end tanks
- Restricted coolant flow from internal wear or contamination
- Temperature instability during daily driving or stop-and-go traffic
Installation Notes
Verify inlet and outlet orientation before installation: inlet is on the right and outlet is on the left. Confirm the vehicle is a 2005 Toyota Sienna built from 9/05 or a 2006 Toyota Sienna before ordering. Inspect hoses, clamps, and coolant condition during replacement, and refill the system with the correct coolant mixture after installation.
Quality Assurance
CSF manufactures radiators in ISO/TSO-certified facilities and validates cooling performance through laboratory testing. The brand has supplied radiators worldwide for decades and offers extensive model coverage across many vehicle applications, including Toyota Sienna radiator replacements.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Toyota | Sienna | 3.3L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2005 | Toyota | Sienna | 3.3L | V6 | N/A | OE Style Design; From 9/05; 1 Row Plastic Tank Aluminum Core |
| No rows match your filter. | ||||||