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CSF 3574 Radiator
CSF 3574 Radiator for Audi A6
The CSF 3574 is an OE-style radiator built with a 1-row aluminum core and plastic tanks for the 2005-2011 Audi A6 Quattro and 2006-2011 Audi A6. It is engineered for direct replacement service with quick-connect inlet and outlet pipe connections and a quick-connect oil cooler fitting layout.
Key Features
- 1-row cross-flow radiator design
- Aluminum core with plastic tanks
- Core thickness: 1 1/4 in.
- Core size: 26 5/8 in. length x 16 5/8 in. width
- 1 1/2 in. left inlet and 1 1/2 in. right outlet
- High-efficiency plate-type oil cooler section
- OE-style plastic tank and aluminum core construction
- Part number: CSF 3574
Product Details
CSF manufactures radiators to high-performance standards and validates cooling performance through lab testing, including wind tunnel evaluation. The CSF 3574 radiator follows an OE-style layout for the Audi A6 and Audi A6 Quattro, with dimensions and connection points designed around the original cooling system architecture. This radiator is a practical choice for drivers searching for a replacement radiator for 2006-2011 Audi A6 or a radiator for 2005-2011 Audi A6 Quattro with factory-style fitment.
This part cross-references Spectra Premium CU2828 for the same application.
Common Reasons for Replacement
- Coolant leaks from aging plastic tanks
- Reduced cooling efficiency from a clogged or corroded core
- Overheating caused by internal restriction or damaged fins
- Transmission or oil cooler circuit service on equipped vehicles
- Fitment issues after prior radiator damage or repair
Installation Notes
Verify inlet and outlet orientation before installation: inlet is 1 1/2 in. left and outlet is 1 1/2 in. right. This radiator uses quick-connect inlet and outlet pipe fittings and quick-connect oil cooler fittings, and it does not include a radiator cap. Confirm all hose, cooler, and mounting points match the original equipment layout on your Audi A6 or Audi A6 Quattro before final assembly.
Quality Assurance
CSF radiators are produced in ISO/TSO-certified factories and built to validated cooling standards for consistent replacement performance. The brand supplies a wide range of radiator applications worldwide, and the CSF 3574 reflects that OE-style engineering approach for Audi A6 and Audi A6 Quattro service.
| Brand | CSF |
| Part Number | 3574 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Core Thickness | 1 1/4 |
| Core Width | 16 5/8 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 26 5/8 |
| Inlet Diameter | 1 1/2 left |
| Outlet Diameter | 1 1/2 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 6 14/16 |
| Box Length (in) | 33 5/8 |
| Box Weight (lbs) | 12 |
| Box Width (in) | 20 9/16 |
| Hazardous Material | No |
| Inlet Length (in) | 17 1/4 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 11 13/16 (high-efficiency plate type) |
| Outlet Length (in) | 17 1/4 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tanks & aluminum core;with quick-connect inl |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2011 | Audi | A6 Quattro | 3.0L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2010 | Audi | A6 Quattro | 3.0L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2009 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2009 | Audi | A6 Quattro | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2009 | Audi | A6 Quattro | 3.0L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2008 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2008 | Audi | A6 Quattro | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2007 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2007 | Audi | A6 Quattro | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2006 | Audi | A6 | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2006 | Audi | A6 Quattro | 3.0L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2006 | Audi | A6 Quattro | 3.2L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2005 | Audi | A6 Quattro | 3.0L | V6 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2005 | Audi | A6 Quattro | 3.2L | 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.