/live/media/C3/C3_3501_Fro.jpg)
OE Quality
60-Day Returns
CSF 3501 Radiator
Overview of CSF 3501 Radiator for Subaru Legacy and Outback
The CSF 3501 radiator is designed specifically for Subaru Legacy and Outback models, providing reliable engine cooling 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: 5/8 inch
- Core width: 27 inches
- Core length: 13 3/4 inches
- Aluminum core with plastic tanks
- Down flow radiator type
- Inlet diameters: 1 1/8 and 1 1/16 inches (left side)
- Outlet diameter: 1 9/16 inches (left side)
- One core row for streamlined cooling
- Box dimensions: 30 1/16" length, 21" width, 4 5/16" height
- Box weight: 8 lbs
- CSF cap number: 4514 (cap not included)
- High-efficiency plate type oil cooler included (14 3/4 inches)
About 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 balance durability and weight savings. This product line is engineered to meet the cooling demands of specific vehicle applications, such as the Subaru Legacy and Outback, ensuring compatibility and performance consistency. The single-row core design supports effective heat transfer while maintaining a compact form factor.
Detailed Product Description
The CSF 3501 radiator features a 5/8 inch thick aluminum core measuring 27 inches wide and 13 3/4 inches long, optimized for down flow cooling systems. The plastic tanks are designed to match OEM specifications, providing a reliable seal and resistance to corrosion. The radiator includes inlet and outlet ports on the left side, with inlet diameters of 1 1/8 and 1 1/16 inches and an outlet diameter of 1 9/16 inches, facilitating proper coolant flow. Additionally, the integrated high-efficiency plate type oil cooler (14 3/4 inches) enhances engine oil temperature regulation, contributing to overall engine longevity.
Common Applications and Issues Addressed
- Replacement for leaking or damaged radiators in Subaru Legacy and Outback vehicles
- Resolves overheating caused by clogged or inefficient radiator cores
- Addresses coolant leaks from cracked plastic tanks
- Improves engine cooling performance in vehicles with OEM-style cooling systems
- Supports proper oil cooling through integrated oil cooler design
Installation Notes and Tips
Ensure compatibility with your specific Subaru Legacy or Outback model year before installation. The radiator is designed for down flow cooling systems and requires proper alignment of inlet and outlet ports on the left side. Note that the radiator cap is not included; use the CSF cap number 4514 or an equivalent OEM cap. Handle the plastic tanks carefully during installation to avoid damage. Verify all hose connections and clamps are secure to prevent leaks.
Quality Assurance and Warranty
The CSF 3501 radiator is manufactured to meet OEM standards, featuring corrosion-resistant aluminum cores and durable plastic tanks. This radiator is free of hazardous materials and designed for long service life. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region.
| Brand | CSF |
| Part Number | 3501 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Core Thickness | 5/8 |
| Core Width | 27 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 13 3/4 |
| Inlet Diameter | 1 1/8 & 1 1/16 left |
| Outlet Diameter | 1 9/16 left |
| Down Flow Or Cross Flow Type | Down flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 4 5/16 |
| Box Length (in) | 30 1/16 |
| Box Weight (lbs) | 8 |
| Box Width (in) | 21 |
| Csf Cap Number | 4514 |
| Hazardous Material | No |
| Inlet Length (in) | 27 13/16 |
| Inlet Width (in) | 1 3/16 |
| Oil Cooler (in) | 14 3/4 (high-efficiency plate type) |
| Outlet Length (in) | 27 13/16 |
| Outlet Width (in) | 1 3/16 |
| Tech Note | O.e.m. style plastic tanks & aluminum core. |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Subaru | Legacy | 3.6L | H6 | N/A | 1 Row Plastic Tank Aluminum Core |
| 2014 | Subaru | Outback | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2013 | Subaru | Legacy | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2013 | Subaru | Outback | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2012 | Subaru | Legacy | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2012 | Subaru | Outback | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Subaru | Legacy | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Subaru | Outback | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Subaru | Legacy | 3.6L | H6 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Subaru | Outback | 3.6L | H6 | 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.