CSF
1 Row Plastic Tank Aluminum Core

CSF 3574 Radiator

Brand CSF 3574
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
Product line 1 Row Plastic Tank Aluminum Core
Fits Audi · 16 vehicles

OE-style construction. Plastic tanks and an aluminum core deliver a familiar replacement design.

Cross-flow layout. Helps move coolant efficiently through the radiator for steady heat control.

Quick-connect fittings. Simplifies hose and oil cooler connections during installation.

Cross-references Anchor 2828, BBB Industries 13280 and Spectra Premium CU2828 for the same application. See all 5.

$148.98Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $148.98
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Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2011AudiA6 Quattro3.0LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2010AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2010AudiA6 Quattro3.0LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2009AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2009AudiA6 Quattro3.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2009AudiA6 Quattro3.0LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2008AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2008AudiA6 Quattro3.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2007AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2007AudiA6 Quattro3.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2006AudiA63.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2006AudiA6 Quattro3.0LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2006AudiA6 Quattro3.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2005AudiA6 Quattro3.0LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2005AudiA6 Quattro3.2LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2828BBB Industries — 13280Spectra Premium — CU28284F0 121 251 AFAU3010146